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Deborah A Samac (Debby)
Supervisory Research Geneticist (Plants)


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Interactive transcriptome analyses of Northern Wild Rice and Bipolaris oryzae shows convoluted communications during the early stages of fungal brown spot development - (Peer Reviewed Journal)
Genetic mapping of tolerance to bacterial stem blight caused by Pseudomonas syringae pv. syringae in alfalfa (Medicago sativa L.) - (Peer Reviewed Journal)
Moya, Y.S., Medina, C., Herrera, B., Chamba, F., Yu, L., Xu, Z., Samac, D.A. 2023. Genetic mapping of tolerance to bacterial stem blight caused by Pseudomonas syringae pv. syringae in alfalfa (Medicago sativa L.). Plants. 12(1). Article 110. https://doi.org/10.3390/plants13010110.
Genome sequencing and comparative genomic analysis in the autotetraploid alfalfa (Medicago sativa L.) - (Abstract Only)
Kaur, H., Farmer, A., Mudge, J., Shannon, L.M., Samac, D.A. 2024. Genome sequencing and comparative genomic analysis in the autotetraploid alfalfa (Medicago sativa L.). Plant and Animal Genome Conference. San Diego, California. January 12-17, 2024.
Construction of a SNP-based genetic linkage map in alfalfa (Medicago sativa L.) using three different reference genomes - (Abstract Only)
Kaur, H., Dornbusch, M.R., Shannon, L.M., Samac, D.A. 2024. Construction of a SNP-based genetic linkage map in alfalfa (Medicago sativa L.) using three different reference genomes. Tools for Polyploids Workshop. San Diego, California. January 10, 2024.
Development of a mid-density genotyping platform for alfalfa and its application in a drought tolerance breeding program - (Abstract Only)
Sandercock, A.M., Sapkota, M., Medina, C.M., Xu, Z., Yu, L., Zhao, D., Mejia-Guerra, K., Mollinari, M., Samac, D.A., Irish, B.M., Heller-Uszynska, K., Beil, C.T., Sheehan, M.J. 2024. Development of a mid-density genotyping platform for alfalfa and its application in a drought tolerance breeding program. Plant and Animal Genome Conference. San Diego, California. January 12-17, 2024.
A fast and robust genotyping platform for alfalfa breeding - (Peer Reviewed Journal)
Zhao, D., Mejia-Guerra, K., Mollinari, M., Samac, D.A., Irish, B.M., Heller-Uszynska, K., Beil, C., Sheehan, M. 2023. A fast and robust genotyping platform for alfalfa breeding. Genetic Resources. 4(8):55-63. https://doi.org/10.46265/genresj.EMOR6509.
Disease scale development for evaluation of cultivated wild rice genotypes - (Abstract Only)
Castell-Miller, C.V., Samac, D.A., Kimball, J. 2023. Disease scale development for evaluation of cultivated wild rice genotypes. Plant Health 2023. August 12-16, 2023. Denver, Colorado.
Functional analysis of differentially expressed genes in alfalfa (Medicago sativa) inoculated with Aphanomyces euteiches race 1 and race 2 - (Abstract Only)
Alexander, J., Sathoff, A., Samac, D.A. 2023. Functional analysis of differentially expressed genes in alfalfa (Medicago sativa) inoculated with Aphanomyces euteiches race 1 and race 2. Plant Health 2023. August 12-16, 2023. Denver, Colorado.
Global expression analysis of Bipolaris oryzae genes in cultivated wild rice leaves during early stages of colonization - (Abstract Only)
Castell-Miller, C., Ranjan, A., Kono, T.J., Samac, D.A., Kimball, J. 2023. Global expression analysis of Bipolaris oryzae genes in cultivated wild rice leaves during early stages of colonization. Plant Health 2023. August 12-16, 2023. Denver, Colorado.
Kernza-Intermediate Wheatgrass: A dual use perennial grain and forage crop - ()
Samac, D.A. 2023. Kernza-Intermediate Wheatgrass: A dual use perennial grain and forage crop. Forage Focus. (August 2023): 3-4.
Rhizosphere and root community analysis of oomycetes associated with poor alfalfa (Medicago sativa) seedling establishment - (Peer Reviewed Journal)
Larsen, L., Schlatter, D.C., Nimpoeno, J., Hines-Snider, C., Samac, D.A. 2023. Rhizosphere and root community analysis of oomycetes associated with poor alfalfa (Medicago sativa) seedling establishment. Phytobiomes Journal. 7(4):526-537. https://doi.org/10.1094/PBIOMES-02-23-0005-R.
Bacterial Stem Blight: A spring foliar disease of alfalfa - ()
Samac, D.A. 2023. Bacterial Stem Blight: A spring foliar disease of alfalfa. Forage Focus. May 2023:3-4.
Glyphosate-resistant alfalfa can exhibit injury after glyphosate application in the Intermountain West - (Peer Reviewed Journal)
Loveland, C., Orloff, S., Yost, M., Bohle, M., Galdi, G., Getts, T., Putnam, D., Ranson, C., Samac, D.A., Wilson, R., Creech, E. 2023. Glyphosate-resistant alfalfa can exhibit injury after glyphosate application in the Intermountain West. Agronomy Journal. 115(4):1827-1841. https://doi.org/10.1002/agj2.21352.
Improved forage quality in alfalfa (Medicago sativa L.) via selection for increased stem fiber digestibility - (Peer Reviewed Journal)
Xu, Z., Heuschele, D.J., Lamb, J., Jung, H.G., Samac, D.A. 2023. Improved forage quality in alfalfa (Medicago sativa L.) via selection for increased stem fiber digestibility. Agronomy. 13(3). Article 770. https://doi.org/10.3390/agronomy13030770.
Surfactin and Spo0A-dependent antagonism by bacillus subtilis strain UD1022 against medicago sativa phytopathogens - (Peer Reviewed Journal)
Rosier, A., Pomerleau, M., Beauregard, P.B., Samac, D.A., Bais, H.P. 2023. Surfactin and Spo0A-dependent antagonism by bacillus subtilis strain UD1022 against medicago sativa phytopathogens. Plants. 12(5). Article 1007. https://doi.org/10.3390/plants12051007.
Alfalfa gene editing - (Abstract Only)
Curtin, S.J., Poudel, K., Scheaffer, C.C., Xu, Z., Samac, D.A. 2023. Alfalfa gene editing. Plant and Animal Genome Conference. January 13-18, 2023. San Diego, California.
Influence of potassium fertilization on alfalfa leaf and stem yield, forage quality, nutrient removal, and plant health - (Peer Reviewed Journal)
Heuschele, D.J., Gamble, J.D., Vetsch, J., Shaeffer, C., Coulter, J., Kaiser, K., Lamb, J., Lamb, J., Samac, D.A. 2023. Influence of potassium fertilization on alfalfa leaf and stem yield, forage quality, nutrient removal, and plant health. Agrosystems, Geosciences & Environment. 6(1). Article e20346. https://doi.org/10.1002/agg2.20346.
Mapping disease resistance genes in alfalfa - (Abstract Only)
Samac, D.A., Medina, C.A., Yu, L., Sierra-Moya, Y., Zhao, D., Lin, M., Mejia-Guerra, K., Beil, C., Sheehan, M. 2023. Mapping disease resistance genes in alfalfa. Plant and Animal Genome. January 13-18, 2023. San Diego, California.
Fast and effective genotyping of alfalfa made possible using a mid-density genotyping platform - (Abstract Only)
Zhao, D., Lin, M., Mejia-Guerra, K., Samac, D.A., Beil, C., Sheehan, M. 2023. Fast and effective genotyping of alfalfa made possible using a mid-density genotyping platform. Plant and Animal Genome Conference. January 13-18, 2023. San Diego, California.
Crop protection network: Alfalfa diseases and pest website - ()
Samac, D.A., Smith, D., Sisson, A. 2022. Crop protection network: Alfalfa diseases and pest website. Forage Focus. December 2022:10-11.
What have we learned from 20 years of breeding for alfalfa root system architecture? - (Abstract Only)
Xu, Z., Bucciarelli, B., Cao, Y., York, L., Gamble, J.D., Lamb, J.F., Samac, D.A. 2022. What have we learned from 20 years of breeding for alfalfa root system architecture?. Meeting Abstract. November 14-17, 2022. San Diego, California.
Cell wall characteristics related to alfalfa digestibility - (Abstract Only)
Heuschele, D.J., Xu, Z., Lamb, J.F., Jung, H.G., Samac, D.A. 2022. Cell wall characteristics related to alfalfa digestibility[sbstract]. North American Alfalfa Improvement Conference. June 7-9, 2022. East Lansing, Michigan.
The genetic gain pattern indicates additive gene effects control alfalfa stem fiber digestibility - (Abstract Only)
Xu, Z., Heuschele, D.J., Lamb, J.F., Jung, H.G., Samac, D.A. 2022. The genetic gain pattern indicates additive gene effects control alfalfa stem fiber digestibility. North American Alfalfa Improvement Conference. June 7-9, 2022. East Lansing, Michigan.
Good statistical practices in agronomy using categorical data analysis, with alfalfa examples having poisson and binomial underlying distributions - (Peer Reviewed Journal)
Mowers, R.P., Bucciarelli, B., Cao, Y., Samac, D.A., Xu, Z. 2022. Good statistical practices in agronomy using categorical data analysis, with alfalfa examples having poisson and binomial underlying distributions. Crops. 2(2):154-171. https://doi.org/10.3390/crops2020012.
Genome sequence resource for strains of Pseudomonas syringae phylogroup 2b and Pseudomonas viridiflava phylogroup 7a causing bacterial stem blight of alfalfa - (Peer Reviewed Journal)
Lipps, S., Samac, D.A., Ishii, S. 2022. Genome sequence resource for strains of Pseudomonas syringae phylogroup 2b and Pseudomonas viridiflava phylogroup 7a causing bacterial stem blight of alfalfa. Plant Disease. 112(9):2028-2031. https://doi.org/10.1094/PHYTO-12-21-0511-A.
Alfalfa (Medicago sativa L.) pho2 mutant plants hyperaccumulate phosphate - (Peer Reviewed Journal)
Miller, S.M., Dornbusch, M.R., Farmer, A., Huertas, R., Gutierrez-Gonzalez, J.J., Young, N.D., Samac, D.A., Curtin, S.J. 2022. Alfalfa (Medicago sativa L.) pho2 mutant plants hyperaccumulate phosphate. G3, Genes/Genomes/Genetics. 12(6). Article jkac096. https://doi.org/10.1093/g3journal/jkac096.
Management strategies and distribution of Aphanomyces root rot of alfalfa (Medicago sativa), a continuing threat to forage production in the United States - (Peer Reviewed Journal)
Giles, J.M., Tordsen, C.L., Rebstock, T.R., Bucciarelli, B., Samac, D.A., Sathoff, A.E. 2022. Management strategies and distribution of Aphanomyces root rot of alfalfa (Medicago sativa), a continuing threat to forage production in the United States. Plant Pathology. 71(6): 1231-1240. https://doi.org/10.1111/ppa.13563.
Objective phenotyping root system architecture using image augmentation and machine learning in alfalfa (Medicago sativa L.) - (Peer Reviewed Journal)
Xu, Z., York, L.M., Seethepalli, A., Bucciarelli, B., Cheng, H., Samac, D.A. 2022. Objective phenotyping root system architecture using image augmentation and machine learning in alfalfa (Medicago sativa L.). Plant Phenomics. 2022. Article 9879610. https://doi.org/10.34133/2022/9879610.
Overwintering and yield responses of two late-summer seeded alfalfa cultivars to phosphate supply - (Peer Reviewed Journal)
Wang, Y., Yu, L., Zhang, J., Xu, Z., Samac, D.A. 2022. Overwintering and yield responses of two late-summer seeded alfalfa cultivars to phosphate supply. Agronomy. 12(2). Article 327. https://doi.org/10.3390/agronomy12020327.
Phenotyping seedlings for selection of root system architecture in alfalfa (Medicago sativa L.) - (Peer Reviewed Journal)
Bucciarelli, B., Xu, Z., Ao, S., Cao, Y., Monteros, M., Topp, C., Samac, D.A. 2021. Phenotyping seedlings for selection of root system architecture in alfalfa (Medicago sativa L.). Plant Methods. 7. Article 125. https://doi.org/10.1186/s13007-021-00825-3.
Pseudomonas viridiflava: An internal outsider of the Pseudomonas syringae species complex - (Peer Reviewed Journal)
Lipps, S.M., Samac, D.A. 2021. Pseudomonas viridiflava: An internal outsider of the Pseudomonas syringae species complex. Molecular Plant Pathology. 23(1):3-15. https://doi.org/10.1111/mpp.13133.
Alfalfa-bermundagrass management guide - ()
Tucker, J., Mullenix, K., Silva, L., Prevatt, C., Samac, D.A., Keisheimer, K., Tomaso-Peterson, M. 2022. Alfalfa-bermundagrass management guide[serial online]. National Alfalfa and Forage Alliance, St. Paul, MN. Available: https://www.alfalfa.org/pdf/AlfalfaBermudagrass-LowRes.pdf
Pan-transcriptome identifying master genes and regulation network in response to drought and salt stresses in alfalfa (Medicago sativa L.) - (Peer Reviewed Journal)
Medina, C., Samac, D.A., Yu, L. 2021. Pan-transcriptome identifying master genes and regulation network in response to drought and salt stresses in alfalfa (Medicago sativa L.). Scientific Reports. 11. Article 17203. https://doi.org/10.1038/s41598-021-96712-x.
Bacterial stem blight of alfalfa: An emerging disease in the United States caused by Pseudomonas syringae pv. syringae and Pseudomonas viridiflava - (Abstract Only)
Lipps, S., Samac, D.A. 2020. Bacterial stem blight of alfalfa: An emerging disease in the United States caused by Pseudomonas syringae pv. syringae and Pseudomonas viridiflava[abstract]. American Phytopathological Society. Plant Health 2020, August 10-14, 2021, p. 176. https://doi.org/10.1094/PHYTO-110-12-S2.207.
Divergent selection in wild rice for resistance and susceptibility to foliar diseases to decrease reliance on foliar fungicides - (Abstract Only)
Evaluation of alfalfa (Medicago sativa L.) foliar protein extracts for use in aquaculture feeds Reprint Icon - (Peer Reviewed Journal)
Coburn, J., Wells, M., Sheaffer, C.C., Ruan, R., Samac, D.A. 2021. Evaluation of alfalfa (Medicago sativa L.) foliar protein extracts for use in aquaculture feeds. Agrosystems, Geosciences & Environment. 4(2). Article e20184. https://doi.org/10.1002/agg2.20184.
Identification and characterization of disease resistance genes in alfalfa and Medicago truncatula for breeding improved cultivars - ()
Samac, D.A., Yu, L., Missaoui, A.M. 2021. Identification and characterization of disease resistance genes in alfalfa and Medicago truncatula for breeding improved cultivars. In: Yu,X. and Kole, C., editors. The Alfalfa Genome, Compendium of Plant Genomics. Springer, Cham:Switzerland. p. 211-233. https://doi.org/10.1007/978-3-030-74466-3_13.
Biotechnology advances in alfalfa - ()
Samac, D.A., Temple, S.J. 2021. Biotechnology advances in alfalfa. In: Yu, X. and Kole, C., editors. The Alfalfa Genome, Compendium of Plant Genomics. Cham, Switzerland: Springer. p. 65-86.
Alfalfa research: Still growing strong after 65 years - ()
Samac, D.A. 2021. Alfalfa research: Still growing strong after 65 years. Forage Focus. (May 2021):8-9.
Impacts of cover crops and nitrogen fertilization on agricultural soil fungal and bacterial communities - (Peer Reviewed Journal)
Castle, S.C., Samac, D.A., Gutknecht, J.L., Sadowsky, M.J., Rosen, C.J., Schlatter, D.C., Kinkel, L.L. 2021. Impacts of cover crops and nitrogen fertilization on agricultural soil fungal and bacterial communities. Plant and Soil. https://doi.org/10.1007/s11104-021-04976-z.
Acceptance of a protein concentrate from alfalfa (Medicago sativa) by yellow perch (Perca flavescens) fed a formulated diet - (Peer Reviewed Journal)
Coburn, J., Wells, M., Phelps, N., Gaylord, T., Samac, D.A. 2021. Acceptance of a protein concentrate from alfalfa (Medicago sativa) by yellow perch (Perca flavescens) fed a formulated diet. Fishes. 6(2). Article 9. https://doi.org/10.3390/fishes6020009.
Real-time live phenotyping-A path to next generation breeding and farming - ()
Xu, Z., Jeo, R.T., Samac, D.A., Ramos-Giraldo, P., Reberg-Horton, C., Mirsky, S.B. 2021. Real-time live phenotyping-A path to next generation breeding and farming. Forage Focus. (March 2021):14-15.
An integrated approach for managing clover root curculio on alfalfa - ()
Samac, D.A. 2020. An integrated approach for managing clover root curculio on alfalfa. Forage Focus. (December 2020):14-15.
Efficiency and profitability of fungicides in controlling Bipolaris diseases and enhancing grain yield in cultivated wild rice (Zizania palustris) - (Peer Reviewed Journal)
Castell-Miller, C.V., Schlatter, D.C., Samac, D.A. 2021. Efficiency and profitability of fungicides in controlling Bipolaris diseases and enhancing grain yield in cultivated wild rice (Zizania palustris). Crop Protection. 141. Article 105455. https://doi.org/10.1016/j.cropro.2020.105455.
First report of Mycoleptodiscus terrestris causing crown and root rot of alfalfa (Medicago sativa) in Minnesota - (Peer Reviewed Journal)
Zivanov, D., Zivanov, S., Samac, D.A. 2021. First report of Mycoleptodiscus terrestris causing crown and root rot of alfalfa (Medicago sativa) in Minnesota. Plant Disease. 105(1). https://doi.org/10.1094/PDIS-12-19-2742-PDN.
Strategies to enhance energy content in alfalfa foliage - ()
Samac, D.A., Dornbusch, M.R., Bucciarelli, B. 2020. Strategies to enhance energy content in alfalfa foliage. Forage Focus. (August 2020):20-21.
A case study in developing, navigating, and maintaining novel partnerships for applied organic research and outreach - (Abstract Only)
Clark, M.D., Weisenhorn, J., Samac, D.A., Bradeen, J.M., Hirsch, C., Grossman, J., Miller, L., Yakub, M. 2020. A case study in developing, navigating, and maintaining novel partnerships for applied organic research and outreach[abstract]. American Society of Horticulture Science. August 10-13, 2020. Poster ID 564.
Functional analysis of Medicago-derived pathogen-induced gene promoters for usage in transgenic alfalfa - (Peer Reviewed Journal)
Sathoff, A.E., Dornbusch, M.R., Miller, S.S., Samac, D.A. 2020. Functional analysis of Medicago-derived pathogen-induced gene promoters for usage in transgenic alfalfa. Molecular Breeding. 40(66):1-12. https://doi.org/10.1007/s11032-020-01144-6.
Fusarium oxysporum f.sp. medicaginis (Fusarium wilt of alfalfa) - ()
CABI, 2020. Fusarium oxysporum f.sp. medicagis [original text by DA Samac]. In: Invasive Species Compendium. Wallingford, UK: CAB International. https://www.cabi.org/isc/datasheet/24661
Plant defensin antibacterial mode of action against Pseudomonas species - (Peer Reviewed Journal)
Sathoff, A.E., Lewenza, S., Samac, D.A. 2020. Plant defensin antibacterial mode of action against Pseudomonas species. BMC Microbiology. 20:173. https://doi.org/10.1186/s12866-020-01852-1.
Understanding disease development in cultivated American wild rice (Zizania palustris) fields - (Abstract Only)
Castell-Miller, C.V., Senay, S., Kimball, J.A., Samac, D.A. 2020. Understanding disease development in cultivated American wild rice (Zizania palustris) fields[abstract]. American Phytopathological Society, Plant Health 2020. August 10-14, 2021. p. S2.148. https://doi.org/10.1094/PHYTO-110-12-S2.1.
Development of alfalfa plants with increased capability to accumulate inorganic phosphorus: Could these plants help ameliorate soils with excessive P levels? - ()
Miller, S.S., Samac, D.A., Curtin, S.J. 2020. Development of alfalfa plants with increased capability to accumulate inorganic phosphorus: Could these plants help ameliorate soils with excessive P levels?. Forage Focus. (May 2020):4-5.
Spring glyphosate recommendation for established alfalfa: prevent plant damage by bacterial stem blight - ()
Samac, D.A. 2020. Spring glyphosate recommendation for established alfalfa: prevent plant damage by bacterial stem blight. Forage Focus. (March 2020):20-21.
Roundup ready alfalfa injury - (Proceedings)
Getts, T., Wilson, R., Giuliano, G., Loveland, C., Samac, D.A., Creech, E. 2019. Roundup ready alfalfa injury[abstract]. Proceedings of the Western Alfalfa and Forage Symposium. November 19-21, 2019, Reno, Nevada. p. 1.
How do new alfalfa varieties respond to K fertilization? - ()
Sheaffer, C., Junger, J., Kaiser, D., Samac, D.A., Scott, W.M. 2019. How do new alfalfa varieties respond to K fertilization?. Forage Focus. (December 2019):16-17.
Functional analysis and development of a CRISPR/Cas9 allelic series for a CPR5 ortholog necessary for proper growth of soybean trichomes - (Peer Reviewed Journal)
Campbell, B.W., Hoyle, J.W., Bucciarelli, B., Stec, A.O., Samac, D.A., Parrott, W.A., Stupar, R.M. 2019. Functional analysis and development of a CRISPR/Cas9 allelic series for a CPR5 ortholog necessary for proper growth of soybean trichomes. Scientific Reports. 9:14757. https://doi.org/10.1038/s41598-019-51240-7.
First report of bacterial stem blight of alfalfa caused by pseudomonas viridiflava in California and Utah - (Peer Reviewed Journal)
Lipps, S.M., Lenz, P., Samac, D.A. 2019. First report of bacterial stem blight of alfalfa caused by Pseudomonas viridiflava in California and Utah. Plant Disease. 103(12):3274. https://doi.org/10.1094/PDIS-05-19-1044-PDN.
Strategies for reducing seed rot and seedling damping-off of alfalfa (Medicago sativa) - (Abstract Only)
Samac, D.A., Dornbusch, M.R., Ao, S. 2019. Strategies for reducing seed rot and seedling damping-off of alfalfa (Medicago sativa). American Phytopathological Society: Plant Health 2019. August 3-7, 2019, Cleveland, Ohio.
Detection and fungicide sensitivity surveillance of wild rice (Zizania palustris) pathogens - (Abstract Only)
Castell-Miller, C., Samac, D.A. 2019. Detection and fungicide sensitivity surveillance of wild rice (Zizania palustris) pathogens. American Phytopathological Society (Plant Health 2019). August 3-7, 2019, Cleveland, Ohio.
GWAS powered by a local score approach unravels the genomic bases of Medicago truncatula quantitative disease resistance to multiple Aphanomyces euteiches strains - (Peer Reviewed Journal)
Bonhomme, M., Navier, H., Hajri, A., Badis, Y., Miteul, H., Fariello, M., Samac, D.A., Dumas, B., Baranger, A., Jacquet, C., Pilet-Nayel, M. 2019. GWAS powered by a local score approach unravels the genomic bases of Medicago truncatula quantitative disease resistance to multiple Aphanomyces euteiches strains. Heredity. 2019(5):1-15. https://doi.org/10.1038/s41437-019-0235-x.
Potassium fertilization affects alfalfa forage yield, nutritive value, root traits, and persistence - (Peer Reviewed Journal)
Jungers, J.M., Kaiser, D.E., Lamb, J.F., Lamb, J.A., Noland, R., Samac, D.A., Wells, M.S., Sheaffer, C.C. 2019. Potassium fertilization affects alfalfa forage yield, nutritive value, root traits, and persistence. Agronomy Journal. 111(6):2843-2852. https://doi.org/10.2134/agronj2019.01.0011.
Combating crown rot with antimicrobial peptides - ()
Sathoff, A., Samac, D.A. 2019. Combating crown rot with antimicrobial peptides. Forage Focus. 5:6-7.
More to alfalfa frost damage than meets the eye - ()
Samac, D.A. 2019. More to alfalfa frost damage than meets the eye. Hay and Forage Grower. 4/5:30-31.
Identifying new seed treatments for alfalfa - ()
Samac, D.A. 2019. Identifying new seed treatments for alfalfa. Forage Focus. 3:4-5.
Alfalfa leaf protein concentrate: A sustainable protein source for aquaculture feeds - (Abstract Only)
Samac, D.A., Coburn, J.M., Phelps, N., Wells, M. 2019. Alfalfa leaf protein concentrate: A sustainable protein source for aquaculture feeds. Aquaculture America. March 7-11, 2019. New Orleans, Lousiana.
Sensitivity of Bipolaris oryzae isolates pathogenic on cultivated wild rice to the quinone outside inhibitor azoxystrobin - (Peer Reviewed Journal)
Castell-Miller, C.V., Samac, D.A. 2019. Sensitivity of Bipolaris oryzae isolates pathogenic on cultivated wild rice to the quinone outside inhibitor azoxystrobin. Plant Disease. 103:1910-1917. https://doi.org/10.1094/PDIS-12-18-2267-RE.
Impacts of sampling design on estimates of microbial community diversity and composition in agricultural soils - (Peer Reviewed Journal)
Castle, S.C., Samac, D.A., Sadowsky, M.J., Rosen, C.J., Guknecht, J.L., Kinkel, L.L. 2019. Impacts of sampling design on estimates of microbial community diversity and composition in agricultural soils. Microbial Ecology. 78:1-11. https://doi.org/10.1007/s00248-019-01318-6.
Antibacterial activity of plant defensins - (Peer Reviewed Journal)
Sathoff, A.E., Samac, D.A. 2019. Antibacterial activity of plant defensins. Molecular Plant-Microbe Interactions. 32(5):507-514. https://doi.org/10.1094/MPMI-08-18-0229-CR.
Plant defensin peptides have antifungal and antibacterial activity against human and plant pathogens - (Peer Reviewed Journal)
Sathoff, A.E., Velivelli, S., Shah, D.M., Samac, D.A. 2019. Plant defensin peptides have antifungal and antibacterial activity against human and plant pathogens. Phytopathology. 109:402-408. https://doi.org/10.1094/PHYTO-09-18-0331-R.
Genetic mapping of resistance to Aphanomyces root rot in alfalfa - (Proceedings)
The major nectar protein of Brassica rapa is a non-specific lipid transfer protein with strong antifungal activity - (Peer Reviewed Journal)
Schmitt, A., Sathoff, A., Holl, C., Bauer, B., Samac, D.A., Carter, C.J. 2018. The major nectar protein of Brassica rapa is a non-specific lipid transfer protein with strong antifungal activity. Journal of Experimental Botany. 69(22):5587-5597. https://doi.org/10.1093/jxb/ery319.
DNA template dilution greatly impacts amplicon-sequencing based estimates of soil fungal diversity - (Peer Reviewed Journal)
Castle, S.C., Song, Z., Gohl, D.M., Gutknecht, J., Rosen, C., Sadowsky, M.J., Samac, D.A., Kinkel, L.L. 2018. DNA template dilution greatly impacts amplicon-sequencing based estimates of soil fungal diversity. Phytobiomes Journal. 2:100-107. doi: 10.1094/pbiomes-09-17-0037-r.
Improving frost tolerance of alfalfa through resistance to bacterial stem blight - (Abstract Only)
Samac, D.A., Dornbusch, M.R., Ao, S., Lenz, P. 2018. Improving frost tolerance of alfalfa through resistance to bacterial stem blight. North American Alfalfa Improvement Conference. June 4-6, 2018, Logan Utah.
Genetic mapping of resistance to Aphanomyces root rot in alfalfa - (Abstract Only)
Samac, D.A., Dornbusch, M.R., Bucciarelli, B., Miller, S.S., Yu, L. 2018. Genetic mapping of resistance to Aphanomyces root rot in alfalfa. North American Alfalfa Improvement Conference. June 4-6, 2018, Logan, Utah.
Fusarium wilt of alfalfa caused by Fusarium oxysporum f. sp. medicaginis identified in Wisconsin - (Abstract Only)
Peterson, J.N., Samac, D.A., Grau, C. 2018. Fusarium wilt of alfalfa caused by Fusarium oxysporum f. sp. medicaginis identified in Wisconsin. North American Alfalfa Improvement Conference. June 4-6, 2018, Logan, Utah.
A transgenic approach to alfalfa crown rot control - (Abstract Only)
Sathoff, A., Velivelli, S., Shah, D., Samac, D.A. 2018. A transgenic approach to alfalfa crown rot control. North American Alfalfa Improvement Conference. June 4-6, 2018, Logan, Utah.
Lignin reduction in alfalfa (Medicago sativa) does not affect foliar disease resistance - (Abstract Only)
Samac, D.A., Ao, S., Dornbusch, M.R., Grev, A.M., Wells, M., Martinson, K., Sheaffer, C.C. 2018. Lignin reduction in alfalfa (Medicago sativa) does not affect foliar disease resistance. International Congress of Plant Pathologists. July 29-August 3, 2018, Boston, Massachusetts.
Use of fungicides to enhance grain yield and reduce disease levels in cultivated wild rice - (Abstract Only)
Castell-Miller, C., Samac, D.A., Malvick, D. 2018. Use of fungicides to enhance grain yield and reduce disease levels in cultivated wild rice. International Congress of Plant Pathologists. July 28-August3, Boston, Massachusetts.
Transgenic expression of a plant defensin in alfalfa (Medicago sativa) leads to increased resistance to crown rot pathogens - (Abstract Only)
Sathoff, A., Velivelli, S., Shah, D., Samac, D.A. 2018. Transgenic expression of a plant defensin in alfalfa (Medicago sativa) leads to increased resistance to crown rot pathogens. International Congress of Plant Pathologists. July 29-August 3, 2018, Boston, Massachusetts.
Widespread occurrence of Sinorhizobium meliloti strains with a type IV secretion system - (Peer Reviewed Journal)
Cao, Y., Miller, S.S., Dornbusch, M.R., Castle, S., Lenz, P., Ferguson, J., Sadowsky, M.J., Nelson, M.S., Klatt, C.G., Samac, D.A. 2018. Widespread occurrence of Sinorhizobium meliloti strains with a type IV secretion system. Symbiosis. 75(2):81-91.
First report of alfalfa (Medicago sativa L.) seed rot, seedling root rot, and damping off caused by Pythium spp. in Sudanese soil - (Peer Reviewed Journal)
Ao, S., Bucciarelli, B., Dornbusch, M.R., Miller, S.S., Samac, D.A. 2018. First report of alfalfa (Medicago sativa L.) seed rot, seedling root rot, and damping off caused by Pythium spp. in Sudanese soil. Plant Disease. 102(5):1043. https://doi.org/10.1094/PDIS-09-17-1411-PDN.
Resistant and susceptible responses in alfalfa (Medicago sativa) to bacterial stem blight caused by Pseudomonas syringae pv. syringae - (Peer Reviewed Journal)
Nemchinov, L.G., Shao, J.Y., Lee, M., Postnikova, O.A., Samac, D.A. 2017. Resistant and susceptible responses in alfalfa (Medicago sativa) to bacterial stem blight caused by Pseudomonas syringae pv. syringae. PLoS One. 12(12):e0189781.
Genomic and phenomic approaches to understand root growth and development for alfalfa improvement - (Abstract Only)
Prince, S., Hernandez, T., Tayeh, N., Anower, R., Samac, D.A., Blancaflor, E., Motes, C., Monteros, M.J. 2018. Genomic and phenomic approaches to understand root growth and development for alfalfa improvement. Plant and Animal Genome Conference Proceedings. January 13-18, 2018, San Diego, California.
Modification of lignin in alfalfa does not affect foliar disease resistance - ()
First report of Fusarium wilt of alfalfa caused by Fusarium oxysporum f. sp. medicaginis in Wisconsin - (Peer Reviewed Journal)
Peterson, J.J., Samac, D.A., Grau, C.R. 2018. First report of Fusarium wilt of alfalfa caused by Fusarium oxysporum f. sp. medicaginis in Wisconsin. Plant Disease. 102:447.
Comparative genomic analyses of Clavibacter michiganensis subsp. insidiosus and aggressiveness on Medicago truncatula - (Peer Reviewed Journal)
Lu, Y., Ishimaru, C.A., Glazebrook, J., Samac, D.A. 2018. Comparative genomic analyses of Clavibacter michiganensis subsp. insidiosus and aggressiveness on Medicago truncatula. Phytopathology. 108:172-185.
Understanding alfalfa root systems and their rold in abiotic stress tolerance - (Abstract Only)
Variances in nutrient content and yield of alfalfa protein concentrate processed with five methods - (Abstract Only)
Forage accumulation and nutritive value of reduced lignin and reference alfalfa cultivars - (Peer Reviewed Journal)
Grev, A.M., Wells, M., Samac, D.A., Martinson, K.L., Sheaffer, C.C. 2017. Forage accumulation and nutritive value of reduced lignin and reference alfalfa cultivars. Agronomy Journal. 109:2749-2761.
Lessons learned in managing alfalfa-grass mixtures - ()
First report of 16SrII subgroup D phytoplasma in alfalfa in Sudan - (Peer Reviewed Journal)
Tahir, M.N., Holland, C., Samac, D.A., Mollov, D.S. 2017. First report of 16SrII subgroup D phytoplasma in alfalfa in Sudan. Plant Disease. https://doi:10.1094/PDIS-04-17-0603-PDN.
Microbial communities in the cysts of soybean cyst nematode affected by tillage and biocide in a suppressive soil - (Peer Reviewed Journal)
Hu, W., Samac, D.A., Liu, X., Chen, S. 2017. Microbial communities in the cysts of soybean cyst nematode affected by tillage and biocide in a suppressive soil. Applied Soil Ecology. 119(2017):396-406.
Seed rot and damping-off of alfalfa in Minnesota caused by Pythium and Fusarium species - (Peer Reviewed Journal)
Berg, L.E., Miller, S.S., Dornbusch, M.R., Samac, D.A. 2017. Seed rot and damping-off of alfalfa in Minnesota caused by Pythium and Fusarium species. Plant Disease. 101:1860-1867. https://apsjournals.apsnet.org/doi/10.1094/PDIS-02-17-0185-RE.
Identification of loci Associated with Resistance to Root-Rot Diseases in Autotetraploid Alfalfa using Genome-Wide Sequencing and Association Mapping - (Abstract Only)
Identification of markers associated with race-specific resistance to Aphanomyces root rot in alfalfa - (Abstract Only)
Samac, D.A., Bucciarelli, B., Dornbusch, M.R., Miller, S.S., Yu, L. 2017. Identification of markers associated with race-specific resistance to Aphanomyces root rot in alfalfa. American Phytopathological Society. August 5-9, 2017. San Antonio, Texas.
The importance of potassium in resistance to crown rot disease in alfalfa - ()
Samac, D.A., Sheaffer, C.C., Wells, M. 2017. The importance of potassium in resistance to crown rot disease in alfalfa. Forage Focus. May 2017. p. 16.
Antimicrobial activity of Brassica nectar lipid transfer protein - (Abstract Only)
Sathoff, A., Samac, D.A., Schmitt, T., Carter, C. 2017. Antimicrobial activity of Brassica nectar lipid transfer protein. Mycological Society of America. Athens, Georgia. July 16-19, 2017.
Bacterial stem blight of alfalfa: A disease that increases frost damage - ()
Diseases of wild rice - ()
Samac, D.A., Castell-Miller, C.V. 2023. Diseases of wild rice. In: Hollier, C. A., Padgett, G. B. and Draper, M. A., editors. Diseases of Field Crops. St. Paul, Minnesota: APS Press. p. 373-381.
Diseases of alfalfa (Medicago sativa L.) - ()
Malvick, D.K., Samac, D.A. 2023. Diseases of alfalfa (Medicago sativa L.). In: Hollier, C. A., Padgett, G. B. and Draper, M. A., editors. Diseases of Field Crops. St. Paul, Minnesota: APS Press. p. 9-23.
Antibacterial activity of plant defensins against alfalfa crown rot pathogens - (Abstract Only)
Sathoff, A., Velivelli, S., Shah, D., Samac, D.A. 2017. Antibacterial activity of plant defensins against alfalfa crown rot pathogens. American Society of Microbiologists Annual Conference. New Orleans, Lousiana. June 1-5, 2017.
Why is my alfalfa yellow? - ()
Samac, D.A. 2016. Why is my alfalfa yellow?. Forage Focus. December 2016 p. 18-19.
Persistence and diversity of rhizobial bacteria nodulating alfalfa - ()
Fungicide sensitivity in the wild rice pathogen Bipolaris oryzae - (Abstract Only)
Pythium species causing damping-off of alfalfa in Minnesota: Identification, pathogenicity and fungicide sensitivity - (Abstract Only)
Rapid phenotyping of alfalfa root system architecture - (Abstract Only)
Pythium and Fusarium species causing seed rot and damping-off of alfalfa - (Abstract Only)
Bacterial and fungal microbiome analysis of alfalfa rhizosphere soils - (Abstract Only)
Diversity of field isolates of sinorhizobium meliloti nodulating alfalfa - (Abstract Only)
Characterization of alfalfa populations contrasting for root system architecture (RSA) - (Abstract Only)
Transgenic expression of medicago truncatula PR10 and PR5 promoters in alfalfa shows pathogen-induced up-regulation of transgene expression - (Abstract Only)
Genome assembly of the fungus Cochliobolus miyabeanus, and transcriptome analysis during early stages of infection on American wild rice (Zizania palustris L.) - (Peer Reviewed Journal)
Castell-Miller, C.V., Gutierrez-Gonzlez, J.J., Tu, Z.J., Bushley, K., Hainaut, M., Henrissat, B., Samac, D.A. 2016. Genome assembly of the fungus Cochliobolus miyabeanus, and transcriptome analysis during early stages of infection on American wild rice (Zizania palustris L.). PLoS One. 11(6):e0154122. doi:10.1371/journal.pone.0154122.
Draft genome sequences of pseudomonas syringae pv. syringae ALF3 isolated from alfalfa - (Peer Reviewed Journal)
Harrison, J., Dornbusch, M.R., Samac, D.A., Studholme, D.J. 2016. Draft genome sequences of pseudomonas syringae pv. syringae ALF3 isolated from alfalfa. Genome Announcements. 4(1):e01722-15.
Managing foliar and root rot diseases of alfalfa for improving yield and persistance - (Proceedings)
Samac, D.A., Berg, L.E. 2015. Managing foliar and root rot diseases of alfalfa for improving yield and persistance. Western Alfalfa and Forage Symposium. December 2, 2015. Reno, NV..
Seed treatments: New tools for combating seedling diseases of alfalfa in organic and conventional production systems - ()
Samac, D.A., Blosberg, J., Sathoff, A., Kinkel, L.L. 2014. Seed treatments: New tools for combating seedling diseases of alfalfa in organic and conventional production systems. Forage Focus. December 2014 Pages 8-9.
Capturing the Spatial Variability of Microbial Communties within Agricultural Soils - (Abstract Only)
Castle, S., Gutknecht, J., Kinkel, L., Rosen, C., Sadowsky, M., Samac, D.A. 2015. Capturing the Spatial Variability of Microbial Communties within Agricultural Soils. Annual Argonne Soil Metagenomics Meeting. October 21-23, 2015. Lisle, IL.
Transgene silencing of sucrose synthase in alfalfa (Medicago sativa L.) stem vascular tissue suggests a role for invertase in cell wall cellulose synthesis - (Peer Reviewed Journal)
Samac, D.A., Bucciarelli, B., Miller, S.S., Yang, S.H., O'Rourke, J.A., Shin, S., Vance, C.P. 2015. Transgene silencing of sucrose synthase in alfalfa (Medicago sativa L.) stem vascular tissue suggests a role for invertase in cell wall cellulose synthesis. Biomed Central (BMC) Plant Biology. 15:283. doi:10.1186/s12870-015-0649-4.
Management of seedling damping-off of alfalfa - ()
Berg, L., Samac, D.A. 2015. Management of seedling damping-off of alfalfa. Forage Focus. August 2015. Page 16.
Metagenomic analysis of microbial communities associated with Heterodera glycines in a suppressive soil - (Abstract Only)
Hu, W., Chen, S., Samac, D.A., Liu, X. 2015. Metagenomic analysis of microbial communities associated with Heterodera glycines in a suppressive soil[abstract]. 54th Annual Meeting of the Society of Nematologists. East Lansing, MI. July 19-24, 2015. p. 56-57.
Pasteuria endospore attachment to Pratylenchus species - (Abstract Only)
Oliveira, C.J., Grabau, Z., Samac, D.A., Chen, S. 2015. Pasteuria endospore attachment to Pratylenchus species[abstract]. 54th Annual Meeting of the Society of Nematologists. East Lansing, MI. July 19-24, 2015. p. 118.
The Medicago sativa gene index 1.2: a web-accessible gene expression atlas for investigating expression differences between Medicago sativa subspecies - (Peer Reviewed Journal)
O'Rourke, J.A., Fu, F., Bucciarelli, B., Yang, S.S., Samac, D.A., Lamb, J.F., Monteros, M., Graham, M.A., Gronwald, J.W., Krom, N., Li, J., Dai, X., Zhao, P.X., Vance, C.P. 2015. The Medicago sativa gene index 1.2: a web-accessible gene expression atlas for investigating expression differences between Medicago sativa subspecies. BioMed Central (BMC) Genetics. 16:502. DOI: 10.1186/s12864-015-1718-7.
Aphanomyces root rot of alfalfa: Widespread distribution of race 2 in Minnesota - ()
Samac, D.A. 2015. Aphanomyces root rot of alfalfa: Widespread distribution of race 2 in Minnesota. Forage Quarterly. 2(2):12-13.
Role of forage crops and soil microbes in promoting soil health and productivity - ()
Samac, D.A., Klatt, C.G. 2015. Role of forage crops and soil microbes in promoting soil health and productivity. Forage Focus. May 2015 Page 10-11.
Complete genome sequence of Clavibacter michiganensis subsp. insidiosus R1-1 using PacBio single-molecule real-time technology Reprint Icon - (Peer Reviewed Journal)
Lu, Y., Samac, D.A., Glazebrook, J., Ishimaru, C.A. 2015. Complete genome sequence of Clavibacter michiganensis subsp. insidiosus R1-1 using PacBio single-molecule real-time technology. Genome Announcements. 3:e00396-15.
Mechanisms of qualitative and quantitative resistance to Aphanomyces root rot in alfalfa - (Abstract Only)
Samac, D.A., Bucciarelli, B., Lamb, J.F. 2015. Mechanisms of qualitative and quantitative resistance to Aphanomyces root rot in alfalfa [abstract]. Oomycete Molecular Genetics Network. p. 34.
Strategies for managing foliar and root rot diseases of alfalfa - (Abstract Only)
Samac, D.A. 2015. Strategies for managing foliar and root rot diseases of alfalfa [abstract]. In Proceedings of Idaho Hay and Forage Conference, February 26-27, 2015, Burley, Idaho. p. 29-34.
Sustainable green biorefineries - ()
Samac, D.A. 2015. Sustainable green biorefineries. Forage Focus. March 2015. Pages 10-11.
Identification of molecular markers associated with verticillium wilt resistance in alfalfa (Medicago sativa l.) using high-resolution melting - (Peer Reviewed Journal)
Zhang, T., Yu, L., Mccord, P.H., Miller, D., Bhamidimarri, S., Johnson, D., Monteros, M., Ho, J., Reisen, P., Samac, D.A. 2014. Identification of molecular markers associated with verticillium wilt resistance in alfalfa (Medicago sativa l.) using high-resolution melting. PLoS One. 1-18. https://doi.org/10.1371/journal.pone.0115953.
Biodegradation of atrazine by three transgenic grasses and alfalfa expressing a modified bacterial atrazine chlorohydrolase gene Reprint Icon - (Peer Reviewed Journal)
Vail, A.W., Wang, P., Uefuji, H., Samac, D.A., Vance, C.P., Wackett, L.P., Sadowsky, M.J. 2015. Biodegradation of atrazine by three transgenic grasses and alfalfa expressing a modified bacterial atrazine chlorohydrolase gene. Transgenic Research. 24:475-488.
A mineral seed coating for control of seedling diseases of alfalfa suitable for organic production systems - (Peer Reviewed Journal)
Samac, D.A., Schraber, S., Barclay, S. 2015. A mineral seed coating for control of seedling diseases of alfalfa suitable for organic production systems. Plant Disease. 99(5):614-620.
Science from the field to your shopping cart - ()
Samac, D.A. 2014. Science from the field to your shopping cart. Forage Focus. August 2014. p. 6-7.
The alfalfa research program in USDA-ARS - (Abstract Only)
Samac, D.A. 2014. The alfalfa research program in USDA-ARS. 2014 North American Alfalfa Improvement Conference, July 8-10, 2014. Lethbridge, Alberta, Canada. Available: https://www.naaic.org/Meetings/National/2014meeting/NAAIC%20ARS%20abstract%202014.pdf.
Transgene silencing of sucrose synthase in alfalfa stem vascular tissue by a truncated phosphoenolpyruvate carboxylase: sucrose synthase construct - (Abstract Only)
Gronwald, J.W., Yang, S.H., Bucciarelli, B., Miller, S.S., O'Rourke, J.A., Shin, S., Samac, D.A., Vance, C.P. 2014. Transgene silencing of sucrose synthase in alfalfa stem vascular tissue by a truncated phosphoenolpyruvate carboxylase: sucrose synthase construct. Plant Biology. July 12-16, 2014. Portland, OR.
Characterization of the bacterial stem blight pathogen of alfalfa, Pseudomonas syringae pv. syringae ALF3 - (Abstract Only)
Samac, D.A., Studholmd, D.J., Ao, S. 2014. Characterization of the bacterial stem blight pathogen of alfalfa, Pseudomonas syringae pv. syringae ALF3. American Phytopathological Society Annual Meeting. August 9-13, 2014, Minneapolis, MN. Available: http://www.apsnet.org/meetings/Documents/2014_meeting_abstracts/aps2014abP03.htm.
Alfalfa endophytes as novel sources of antimicrobial compounds that inhibit the growth of human and plant pathogens - (Abstract Only)
Wass, B., Jordan, A., Louters, M., Samac, D.A., Foster-Hartnett, D. 2014. Alfalfa endophytes as novel sources of antimicrobial compounds that inhibit the growth of human and plant pathogens. American Phytopathological Society Annual Meeting, August 9-13, 2014, Minneapolis, MN. Available: http://www.apsnet.org/meetings/Documents/2014_meeting_abstracts/aps2014abP120.htm.
Assembly and annotation of the wildrice transcriptome challenged by Cochliobolus miyabeanus, the fungal brown spot pathogen - (Abstract Only)
Castell-Miller, C.V., Gutierrezgonzalez, J.J., Figueroa, M., Garvin, D.F., Samac, D.A. 2014. Assembly and annotation of the wildrice transcriptome challenged by Cochliobolus miyabeanus, the fungal brown spot pathogen. American Phytopathological Society Annual Meeting. August 9-13, 2014. Minneapolis, MN.
Complete genome sequence of Clavibacter michiganensis subsp. insidiosus - (Abstract Only)
Lu, Y., Samac, D.A., Ishimaru, C.A., Glazebrook, J. 2014. Complete genome sequence of Clavibacter michiganensis subsp. insidiosus. American Phytopathological Society Annual Meeting. August 9-13, 2014, Minneapolis, MN. Available: http://www.apsnet.org/meetings/Documents/2014_meeting_abstracts/aps2014abP09.htm.
Environmental variability and/or stability of stem fiber content and digestibility in alfalfa - (Peer Reviewed Journal)
Lamb, J.F., Jung, H.G., Samac, D.A. 2014. Environmental variability and/or stability of stem fiber content and digestibility in alfalfa. Crop Science. DOI: 10.2135.cropsci2014.04.0323.
Plant endophytes as novel sources of antimicrobials: Characterizing fungal isolates from alfalfa - (Abstract Only)
Wass, B., Samac, D.A., Foster-Hartnett, D. 2014. Plant endophytes as novel sources of antimicrobials: Characterizing fungal isolates from alfalfa. National Conferences on Undergraduate Research. April 3-5, 2014. Lexington, KY.
First report of Stemphylium globuliferum causing Stemphylium Leaf Spot on alfalfa (Medicago sativa) in the U.S. - (Peer Reviewed Journal)
Samac, D.A., Willbur, J.F., Behnken, L., Brietenbach, F., Blonde, G., Halfmann, B., Jensen, B., Sheaffer, C.C. 2014. First report of Stemphylium globuliferum causing Stemphylium Leaf Spot on alfalfa (Medicago sativa) in the U.S. Plant Disease. 98(7):993. Available: http://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-08-13-0828-PDN.
First report of race 2 of Colletotrichum trifolii causing anthracnose on alfalfa (Medicago sativa) in Wisconsin - (Peer Reviewed Journal)
Samac, D.A., Allen, S., Witte, D., Miller, D., Peterson, J. 2014. First report of race 2 of Colletotrichum trifolii causing anthracnose on alfalfa (Medicago sativa) in Wisconsin. Plant Disease. 98(6):843.
Wisconsin and Minnesota - a preliminary update on 2013 evaluation of Headline fungidice use on alfalfa - ()
Halfman, B., Blonde, G., Smith, D., Jensen, B., Samac, D.A., Behnken, L., Breitenbach, F. 2013. Wisconsin and Minnesota - a preliminary update on 2013 evaluation of Headline fungidice use on alfalfa. Forage Focus. December 2013. p. 22..
The Medicago sativa Gene Index 1.2: A web-accessible expression atlas of two Medicago sativa sub-species - (Abstract Only)
Fu, F., O'Rourke, J.A., Bucciarelli, B., Yang, S.S., Samac, D.A., Lamb, J.F., Krom, N., Zhao, P.X., Gronwald, J.W., Vance, C.P. 2013. The Medicago sativa Gene Index 1.2: A web-accessible expression atlas of two Medicago sativa sub-species. Cold Spring Harbor Meeting on Genome Informatics. October 30 - November 2, 2013. Cold Spring Harbor, NY.
Protecting the (alfalfa) crown jewels - ()
Samac, D.A., Lamb, J.F. 2013. Protecting the (alfalfa) crown jewels. Forage Focus. August 2013. Pages 7-9.
Using microbial community interactions within plant microbiomes to advance an evergreen agricultural revolution - ()
Evaluating Headline fungicide on alfalfa production and sensitivity of pathogens to pyraclostrobin Reprint Icon - (Peer Reviewed Journal)
Samac, D.A., Halfman, B., Jensen, B., Brietenbach, F., Behnken, L., Willbur, J.F., Undersander, D., Blonde, G., Lamb, J.F. 2013. Evaluating Headline fungicide on alfalfa production and sensitivity of pathogens to pyraclostrobin. Plant Health Progress. DOI: 10.1094/PHP-2013-0917-01-RS.
Effect of wheel traffic and green manure treatments on forage yield and crown rot in alfalfa (Medicago sativa) - (Peer Reviewed Journal)
Samac, D.A., Lamb, J.F., Kinkel, L.L., Hanson, L.K. 2013. Effect of wheel traffic and green manure treatments on forage yield and crown rot in alfalfa (Medicago sativa). Plant and Soil. DOI:10.1007/s11104-013-1746-5.
Alfalfa non-feed uses - (Peer Reviewed Journal)
Lamb, J.F., Jung, H.G., Russelle, M.P., Sheaffer, C.V., Samac, D.A., Vance, C.P. 2014. Alfalfa non-feed uses. Legume Perspectives. 4:38.
Regulatory patterns of a large family of defensin-like genes expressed in nodules of Medicago truncatula - (Peer Reviewed Journal)
Nallu, S., Silverstein, K.A., Samac, D.A., Bucciarelli, B., Vance, C.P., VandenBosch, K.A. 2013. Regulatory patterns of a large family of defensin-like genes expressed in nodules of Medicago truncatula. PLoS One. 8(4):e60355.
Foliar fungicides on alfalfa: 2012 University extension field trial results from Minnesota and Wisconsin - ()
Halfman, B., Blonde, G., Jensen, B., Samac, D.A., Behnken, L., Breitenbach, F., Undersander, D. 2013. Foliar fungicides on alfalfa: 2012 University extension field trial results from Minnesota and Wisconsin. Forage Focus. March 2013, p. 16-17.
Spatio-temporal expression patterns of Arabidopsis thaliana and Medicago truncatula defensin-like genes - (Peer Reviewed Journal)
Tesfaye, M., Silverstein, K.T., Nallu, S., Wang, L., Botanga, C.J., Gomez, S., Harrison, M., Samac, D.A., Glazebrook, J., Katagiri, F., Gutierrez-Marcos, J.F., VandenBosch, K.A. 2013. Spatio-temporal expression patterns of Arabidopsis thaliana and Medicago truncatula defensin-like genes. PLoS One. 8(3):e58992.
Powdery mildew - ()
Samac, D.A. 2014. Powdery mildew. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 16.
Crown wart - ()
Samac, D.A. 2014. Crown wart. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 30.
Southern Sclerotium blight - ()
Samac, D.A. 2014. Southern Sclerotium blight. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 35.
Charcoal rot - ()
Samac, D.A. 2014. Charcoal rot. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 40.
Corky root rot - ()
Samac, D.A. 2014. Corky root rot. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 56.
Cylindrocladium root and crown rot - ()
Samac, D.A. 2014. Cylindrocladium root and crown rot. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 56.
Cylindrocarpon root rot - ()
Samac, D.A. 2014. Cylindrocarpon root rot. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 58.
Violet root rot - ()
Samac, D.A. 2014. Violet root rot. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 58.
Bacterial leaf spot - ()
Samac, D.A. 2014. Bacterial leaf spot. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 59.
Crown gall - ()
Samac, D.A. 2014. Crown gall. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 63.
Dwarf - ()
Samac, D.A. 2014. Dwarf. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 64.
Alfalfa witches'-broom - ()
Samac, D.A. 2014. Alfalfa witches'-broom. In: Samac, D. A., Rhodes, L. H., and Lamp, W. O., editors. Compendium of Alfalfa Diseases and Pests. 3rd edition. St. Paul, MN: APS Press. p. 65.
High-temperature flooding injury - ()
Samac, D.A. 2014. High-temperature flooding injury. In: Samac, D. A., editor. Compendium on Alfalfa Diseases. 3rd edition. St. Paul, MN: APS Press. p. 112.
Detection of Clavibacter michiganensis subsp. insidiosus in alfalfa - ()
Samac, D.A., Ophel-Keller, K., Caffier, D. 2017. Detection of Clavibacter michiganensis subsp. insidiosus in alfalfa. In: Fatmi, M., Walcott, R.R. Schaad, N.W., editors. Detection of Plant Pathogenic Bacteria in Seed and Other Planting Material. St. Paul, MN: APS Press. p. 103-107.
Aphanomyces root rot of alfalfa: widespread distribution of race 2 - ()
Samac, D.A., Seitz, V., Ristow, P., Rouse, D. 2012. Aphanomyces root rot: widespread distribution of race 2. Forage Focus. August 2012. p. 8-9.
A novel red clover virus associated with root colonization by Olpidium sp. - (Abstract Only)
Samac, D.A., Lockhart, B., Riday, H. 2012. A novel red clover virus associated with root colonization by Olpidium sp. [abstract]. 2012 Joint North American Alfalfa Improvement Conference, Trifolium, & Grass Breeders Conference, July 10-12, 2012, Ithaca, New York. Available: http://www.naaic.org/Meetings/files/P32-Samac.pdf.
A public pathogen collection for characterizing disease resistance in alfalfa cultivars - (Abstract Only)
Samac, D.A., Dornbusch, M.R., Mclaughlin, D.J. 2012. A public pathogen collection for characterizing disease resistance in alfalfa cultivars [abstract]. 2012 Joint North American Alfalfa Improvement Conference, Trifolium, & Grass Breeders Conference, July 10-12, 2012, Ithaca, New York. Available: http://www.naaic.org/Meetings/National/2012meeting/T21-Samac.pdf.
Role of a putative amino acid transporter in fungal disease resistance in alfalfa - (Abstract Only)
Samac, D.A., Dornbusch, M.R., Foster-Hartnett, D., Tu, Z.J., Gantt, J.S. 2012. Role of a putative amino acid transporter in fungal disease resistance in alfalfa [abstract]. American Phytopathological Society Annual Meeting, August 4-8, 2012, Providence, Rhode Island. Available: http://www.apsnet.org/meetings/Documents/2012_Meeting_Abstracts/aps12abP616.htm.
Alfalfa for maximum livestock nutrition and forage yield - ()
Samac, D.A., Lamb, J.F., Jung, H.G., Schnurr, J.A. 2012. Alfalfa for maximum livestock nutrition and forage yield. Forage Focus. May 2012. p. 19-20.
Effect of glyphosate application on foliar diseases in glyphosate-tolerant alfalfa - (Peer Reviewed Journal)
Samac, D.A., Foster-Hartnett, D. 2012. Effect of glyphosate application on foliar diseases in glyphosate-tolerant alfalfa. Plant Disease. 96(8):1104-1110.
Redesigning alfalfa for use in mixtures with forage grasses - ()
Samac, D.A., Lamb, J.F., Russelle, M.P. 2012. Redesigning alfalfa for use in mixtures with forage grasses. Forage Focus. March 2012. p. 16-17.
What's holding us back? Raising the alfalfa yield bar - ()
Russelle, M.P., Samac, D.A. 2012. What's holding us back? Raising the alfalfa yield bar. Forage Focus. December issue. p. 8-9.
New strategies for managing leaf diseases of alfalfa - ()
Samac, D.A., Behnken, L.M., Breitenbach, F. 2011. New strategies for managing leaf diseases of alfalfa. Forage Focus. December 2011. p. 7-8.
Population genetic structure, gene flow and recombination of Cochliobolus miyabeanus on cultivated wildrice (Zizania palustris) - (Peer Reviewed Journal)
Castell-Miller, C.V., Samac, D.A. 2012. Population genetic structure, gene flow and recombination of Cochliobolus miyabeanus on cultivated wildrice (Zizania palustris). Plant Pathology. 61(5):903-914.
Modifying crops to increase cell wall digestibility - (Peer Reviewed Journal)
Jung, H.G., Samac, D.A., Sarath, G. 2012. Modifying crops to increase cell wall digestibility. Plant Science. 185-186:65-77.
Medicago truncatula interacting with Clavibacter michiganensis subsp. insidiosus, a pathosystem in the making - (Abstract Only)
Lu, Y., Glazebrook, J., Ishimaru, C.A., Samac, D.A. 2011. Medicago truncatula interacting with Clavibacter michiganensis subsp. insidiosus, a pathosystem in the making [abstract]. Plant Biology 2011, American Society of Plant Biologists Meeting, August 6-10, 2011, Minneapolis, Minnesota. Available: http://abstracts.aspb.org/pb2011/public/P19/P19052.html.
Assembling and exploring the Cochliobolus miyabeanus genome of a strain pathogenic on wildrice (Zizania palustris) - (Abstract Only)
Castell-Miller, C.V., Tu, Z., Vance, C.P., Samac, D.A. 2011. Assembling and exploring the Cochliobolus miyabeanus genome of a strain pathogenic on wildrice (Zizania palustris) [abstract]. 2011 American Phytopathological Society-International Plant Protection Congress Joint Meeting, August 6-10, 2011, Honolulu, Hawaii. Available: http://www.apsnet.org/meetings/Documents/2011_Meeting_Abstracts/a11ma165.htm.
Multilocus analysis of Phoma sclerotioides isolates from Minnesota - (Abstract Only)
Castell-Miller, C.V., Dornbusch, M.R., Samac, D.A. 2011. Multilocus analysis of Phoma sclerotioides isolates from Minnesota [abstract]. Plant Biology 2011, American Society of Plant Biologists Meeting, August 6-10, 2011, Minneapolis, Minnesota. Available: http://www.apsnet.org/meetings/Documents/2011_meeting_Abstracts/a11ma164.htm.
Aluminum resistance mechanisms in oat (Avena sativa L.) - (Peer Reviewed Journal)
Radmer, L., Tesfaye, M., Somers, D.A., Temple, S.J., Vance, C.P., Samac, D.A. 2012. Aluminum resistance mechanisms in oat (Avena sativa L.). Plant and Soil. 351(1&2):121-134.
Alfalfa diseases 101: diagnosing common and emerging disease problems - ()
Samac, D.A. 2011. Alfalfa diseases 101: diagnosing common and emerging disease problems. Forage Focus. August 2011. p. 4-5.
Expression of coordinately regulated defense response genes and analysis of their role in disease resistance in Medicago truncatula - (Peer Reviewed Journal)
Samac, D.A., Penuela, S., Schnurr, J.A., Hunt, E.N., Foster-Hartnett, D., Vandenbosch, K.A., Gantt, J.S. 2011. Expression of coordinately regulated defense response genes and analysis of their role in disease resistance in Medicago truncatula. Molecular Plant Pathology. 12(8):786-798.
Reducing crown and root diseases of alfalfa for improved yield and stand life - (Abstract Only)
Samac, D.A. 2010. Reducing crown and root diseases of alfalfa for improved yield and stand life [abstract]. In: 2010 Minnesota Forage Research Symposium, November 17-18, 2010, St. Cloud, Minnesota. p. 26.
USDA-ARS Plant Science Research Unit, St. Paul Alfalfa/Forage Research Program - (Abstract Only)
Samac, D.A. 2010. USDA-ARS Plant Science Research Unit, St. Paul Alfalfa/Forage Research Program [abstract]. In: 2010 Minnesota Forage Association Risk-Reduction Research Summit, November 16-17, 2010, St. Cloud, Minnesota. p. 6.
Using genomics to develop alfalfa as a biomass crop - (Abstract Only)
Yang, S.H., Lamb, J.F., Jung, H.G., Samac, D.A., Vance, C.P., Gronwald, J.W. 2010. Using genomics to develop alfalfa as a biomass crop [abstract]. In: 2010 Minnesota Forage Research Symposium, November 17-18, 2010, St. Cloud, Minnesota. p. 23.
Genetic Diversity of Phoma sclerotioides Isolates from Minnesota - (Abstract Only)
Castell-Miller, C.V., Dornbusch, M.R., Samac, D.A. 2010. Genetic Diversity of Phoma sclerotioides Isolates from Minnesota [abstract]. 42nd North American Alfalfa Improvement Conference & 21st Trifolium Conference, July 27-30, 2010, Boise, Idaho.
Mycoleptodiscus Crown and Root Rot on Alfalfa in Minnesota and Wisconsin - (Abstract Only)
Samac, D.A., Lamb, J.F., Sheaffer, C.C. 2010. Mycoleptodiscus Crown and Root Rot on Alfalfa in Minnesota and Wisconsin [abstract]. 42nd North American Alfalfa Improvement Conference & 21st Trifolium Conference, July 27-30, 2010, Boise, Idaho.
Identification of Novel Defense Response Genes in Medicago truncatula for Improving Disease Resistance in Alfalfa - (Abstract Only)
Samac, D.A., Penuela, S., Schnurr, J.A., Hunt, E., Foster-Hartnett, D., Vandenbosch, K.A., Gantt, S. 2010. Identification of Novel Defense Response Genes in Medicago truncatula for Improving Disease Resistance in Alfalfa [abstract]. Vth International Conference on Legume Genomics and Genetics, July 2-8, 2010, Pacific Grove, California. p. 45.
Dig Alfalfa Plants to Assess Root Rots and Yield Potential - ()
Holen, D., Samac, D.A. 2010. Dig Alfalfa Plants to Assess Root Rots and Yield Potential. Forage Quarterly. 4:2.
microRNAs and microRNA Targets Involved in Alfalfa Stem Development - (Abstract Only)
Yang, S.H., Valdes-Lopez, O., Naya, L., Gronwald, J.W., Samac, D.A., Hernandez, G., Vance, C.P. 2010. microRNAs and microRNA targets involved in alfalfa stem development [abstract]. Plant Biology 2010: Joint Meeting of the American Society of Plant Biologists and the Canadian Society of Plant Physiologists, July 31 - August 4, 2010, Montreal, Canada. Abstract No. PO8083.
Understanding the Regulation of Cell Wall Composition in Alfalfa - (Abstract Only)
O'Rourke, J.A., Tesfaye, M., Yang, S.H., Lamb, J.F., Jung, H.G., Vance, C.P., Samac, D.A. 2010. Understanding the Regulation of Cell Wall Composition in Alfalfa [abstract]. Plant and Animal Genome XVIII Conference, January 9-13, 2010, San Diego, California. Available: http://www.intl-pag.org/18/abstracts/P07c_PAGXVIII_799.html.
Rapid and Specific Method for Evaluating Streptomyces Competitive Dynamics in Complex Soil Communities - (Peer Reviewed Journal)
Schlatter, D.C., Samac, D.A., Tesfaye, M., Kinkel, L.L. 2010. Rapid and Specific Method for Evaluating Streptomyces Competitive Dynamics in Complex Soil Communities. Applied and Environmental Microbiology. 76(6):2009-2012.
Mycoleptodiscus Crown and Root Rot of Alfalfa: An Emerging Problem in Minnesota and Wisconsin? - ()
Samac, D.A. 2009. Mycoleptodiscus Crown and Root Rot of Alfalfa: An Emerging Problem in Minnesota and Wisconsin? Forage Focus. December issue. p. 4.
Biochemical Approaches to Improved Nitrogen Fixation - (Abstract Only)
Vance, C.P., Schultz, J., Denton, M., Tesfaye, M., Samac, D.A., Russelle, M.P., Hernandez, G., Ramirez, M. 2009. Biochemical approaches to improved nitrogen fixation [abstract]. XIII National Congress of Biochemistry and Plant Molecular Biology and 6th Symposium Mexico-USA, November 9-13, 2009, Guanajuato, Mexico. 2009 CDROM.
microRNAs and microRNA Targets Involved in Alfalfa Stem Development - (Abstract Only)
Valdes-Lopez, O., Yang, S.H., Foo, C., Gronwald, J.W., Samac, D.A., Hernandez, G., Vance, C.P. 2010. microRNAs and microRNA Targets Involved in Alfalfa Stem Development [abstract]. XVIII Plant and Animal Genome Conference Proceedings, January 9-13, 2010, San Diego, California. Abstract P727.
Single-Feature Polymorphism Discovery in the Transcriptome of Tetraploid Alfalfa (Medicago Sativa) - (Peer Reviewed Journal)
Yang, S.H., Xu, W.W., Tesfaye, M., Lamb, J.F., Jung, H.G., Samac, D.A., Vance, C.P., Gronwald, J.W. 2009. Single-Feature Polymorphism Discovery in the Transcriptome of Tetraploid Alfalfa. The Plant Genome. 2(3):224-232.
Brown Root Rot of Alfalfa - ()
Hollingsworth, C., Samac, D.A., Peterson, P., Holen, D., Person, H. 2009. Brown Root Rot of Alfalfa. University of Minnesota Extension Service Bulletin. 4 p.
Reducing Alfalfa Brown Root Rot with Crop Rotation - ()
Hollingsworth, C., Samac, D.A. 2009. Reducing Alfalfa Brown Root Rot with Crop Rotation. University of Minnesota Extension Forage Program. Forage Quarterly. 3(2):2.
Population Genetic Structure of Cochliobolus miyabeanus on Cultivated Wild Rice (Zizania palustris L.) in Minnesota - (Abstract Only)
Castell-Miller, C.V., Samac, D.A. 2009. Population Genetic Structure of Cochliobolus miyabeanus on Cultivated Wild Rice (Zizania palustris L.) in Minnesota [abstract]. 2009 American Phytopathological Society Annual Meeting, August 1-5, 2009, Portland, Oregon. Available: http://www.apsnet.org/meetings/2009/abstracts/a09ma108.htm.
Medicago truncatula as a Model for Dicot Cell Wall Development - (Peer Reviewed Journal)
Tesfaye, M., Yang, S.H., Lamb, J.F., Jung, H.G., Samac, D.A., Vance, C.P., Gronwald, J.W., Vandenbosch, K.A. 2009. Medicago truncatula as a Model for Dicot Cell Wall Development. BioEnergy Research. 2(1-2):59-76.
Characterization of a bi-pistil mutant in Medicago truncatula Gaertn - (Abstract Only)
Nair, R., Peck, D., Dundas, I., Samac, D.A., Moore, A., Randles, J. 2008. Characterization of a bi-pistil mutant in Medicago truncatula Gaertn. [abstract]. IV International Conference on Legume Genomics and Genetics, December 7-12, 2008, Puerto Vallarta, Mexico. Abstract No. P92 p. 73.
Identification of genes controlling development of arbuscules in AM symbiosis - (Abstract Only)
Harrison, M.J., Zhang, Q., Levy, J.G., Jung, J.K., Hong, J.J., Mondo, S.J., Foster-Hartnett, D., Samac, D.A., Starker, C.G., Lenz, P.A., Farell, M.L., Gantt, J.S. 2008. Identification of genes controlling development of arbuscules in AM symbiosis [abstract]. IV International Conference on Legume Genomics and Genetics, December 7-12, 2008, Puerto Vallarta, Mexico. Abstract No. L61. p. 38.
Alfalfa Biomass Germplasms: SFP Detection and Transcriptome Analysis - (Abstract Only)
Yang, S.H., Xu, W.W., Tesfaye, M., Lamb, J.F., Jung, H.G., Samac, D.A., Vance, C.P., Gronwald, J.W. 2009. Alfalfa Biomass Germplasms: SFP Detection and Transcriptome Analysis [abstract]. XVII Plant and Animal Genome Conference Proceedings, January 10-14, 2009, San Diego, California. Abstract W167.
Physiological and molecular characterization of aluminum resistance in Medicago truncatula - (Peer Reviewed Journal)
Chandran, D., Sharopova, N., Vandenbosch, K.A., Garvin, D.F., Samac, D.A. 2008. Physiological and Molecular Characterization of Aluminum Resistance in Medicago truncatula. Biomed Central (BMC) Plant Biology. 8:89. Available: http://www.biomedcentral.com/1471-2229/8/89.
Affect of crop residue on colonization and survival of Phoma sclerotioides - (Abstract Only)
Samac, D.A., Miyamoto, C., Larsen, J.E., Atkinson, L., Hollingsworth, C.R., Motteberg, C.D. 2008. Affect of crop residue on colonization and survival of Phoma sclerotioides [abstract]. Phytopathology. 98:S139.
Effect of glyphosate on foliar diseases in Roundup Ready alfalfa - (Abstract Only)
Foster-Hartnett, D., Samac, D.A. 2008. Effect of glyphosate on foliar diseases in Roundup Ready alfalfa [abstract]. Phytopathology. 98:S54.
Expression analysis of Medicago stem internodes identifies genes associated with regulatory control and biogenesis of plant cell walls - (Abstract Only)
Tesfaye, M., Jung, H.G., Samac, D.A., Gronwald, J.W., Lamb, J.F., Vance, C.P., Vandenbosch, K.A. 2008. Expression analysis of Medicago stem internodes identifies genes associated with regulatory control and biogenesis of plant cell walls [abstract]. American Society of Plant Biologists Annual Meeting, Pan American Congress on Plants and BioEnergy, June 22-25, 2008, Merida, Mexico. Abstract No. P02014. Available: http://abstracts.aspb.org/pb2008/public/P02/P02014.html.
Transcriptome profiling identified novel genes associated with aluminum toxicity, resistance and tolerance in Medicago truncatula - (Peer Reviewed Journal)
Chandran, D., Sharopova, N., Ivashuta, S., Gantt, J., VandenBosch, K.A., Samac, D.A. 2008. Transcriptome profiling identified novel genes associated with aluminum toxicity, resistance and tolerance in Medicago truncatula. Planta. 228:151-166.
Morphological characterization and genetic analysis of a bi-pistil mutant (bip) in Medicago truncatula Gaertn - (Peer Reviewed Journal)
Nair, R.M., Peck, D.M., Dundas, I.S., Samac, D.A., Moore, A., Randles, J.W. 2008. Morphological characterization and genetic analysis of a bi-pistil mutant (bip) in Medicago truncatula. Sexual Plant Reproduction. 21:133-141.
MOLECULAR VARIABILITY OF A MINNESOTA POPULATION OF PHOMA MEDICAGINIS VAR. MEDICAGINIS, THE CAUSAL AGENT OF SPRING BLACK STEM AND LEAF SPOT OF ALFALFA - (Peer Reviewed Journal)
Castell-Miller, C., Szabo, L.J., Gale, L.R., O'Neill, N.R., Samac, D.A. 2008. Molecular variability of a Minnesota population of Phoma medicaginis var. medicaginis, the causal agent of spring black stem and leaf spot of alfalfa. Canadian Journal of Plant Pathology. 30:85-96.
CLONING OF AN ALFALFA POLYPHENOL OXIDASE GENE AND EVALUATION OF ITS POTENTIAL IN PREVENTING POSTHARVEST PROTEIN DEGRADATION - (Peer Reviewed Journal)
Sullivan, M.L., Hatfield, R.D., Samac, D.A. 2008. Cloning of an alfalfa polyphenol oxidase gene and evaluation of its potential in preventing postharvest protein degradation. Journal of the Science of Food and Agriculture. 88(8):1406-1414.
Genetic dissection of resistance to anthracnose and powdery mildew in Medicago truncatula - (Peer Reviewed Journal)
Ameline-Torregrosal, C., Cazaux, M., Danesh, D., Chardon, F., Cannon, S.B., Esquerre-Tugaye, M., Dumas, B., Young, N.D., Samac, D.A., Huguet, T., Jacquet, C. 2008. Genetic dissection of resistance to anthracnose and powdery mildew in Medicago truncatula. Molecular Plant-Microbe Interactions. 21:61-69.
Genetic dissection of resistance to anthracnose and powdery mildew in Medicago truncatula - (Peer Reviewed Journal)
Ameline-Torregrosal, C., Cazaux, M., Danesh, D., Chardon, F., Cannon, S.B., Esquerre-Tugaye, M., Dumas, B., Young, N.D., Samac, D.A., Huguet, T., Jacquet, C. 2008. Genetic dissection of resistance to anthracnose and powdery mildew in Medicago truncatula. Molecular Plant-Microbe Interactions. 21(1):61-69.
Region and field level distributions of aster yellows phytoplasma in small grains crops - (Peer Reviewed Journal)
Hollingsworth, C.R., Samac, D.A., Atkinson, L.M., Larsen, J.E., Motteberg, C.D., Abrahamson, M., Glogoza, P., MacRae, I.V. 2008. Region and field level distributions of aster yellows phytoplasma in small grains crops. Plant Disease. 92(4):623-630.
Aster yellows incidence and distribution within commercial small grains fields in Minnesota - (Abstract Only)
Atkinson, L.M., Hollingsworth, C.R., Larsen, J.E., Samac, D.A., Motteberg, C.D. 2007. Aster yellows incidence and distribution within commercial small grains fields in Minnesota [abstract]. Phytopathology. 97:S5.
Roles of defense response genes in plant-microbe interactions - (Abstract Only)
Samac, D.A., Penuela, S., Foster-Hartnett, D., Hunt, E.N., Schnurr, J.A. 2007. Roles of defense response genes in plant-microbe interactions [abstract]. Phytopathology. 97:S103.
Infection and development of Phoma medicaginis on moderately resistant and susceptible alfalfa genotypes - (Peer Reviewed Journal)
Castell-Miller, C.V., Zeyen, R.J., Samac, D.A. 2007. Infection and development of Phoma medicaginis on moderately resistant and susceptible alfalfa genotypes. Canadian Journal of Plant Pathology. 29:290-298.
A system for identification of candidate genes controlling cell wall synthesis in alfalfa stems - (Abstract Only)
Gebeyaw, M.T., Lamb, J.F., Samac, D.A., Gronwald, J.W., Jung, H.G. 2007. A system for identification of candidate genes controlling cell wall synthesis in alfalfa stems [abstract]. Physiologia Plantarum. 130:259.
Alfalfa - ()
Gebeyaw, M.T., Samac, D.A., Lamb, J.F. 2008. Alfalfa. In: Kole, C., Hall, T.C., editors. A Compendium of Transgenic Crop Plants. Volume 3. Oxford, UK: Blackwell Publishing. p. 199-210.
Recent advances in legume-microbe interactions: recognition, defense response and symbiosis from a genomic perspective - (Peer Reviewed Journal)
Samac, D.A., Graham, M.A. 2007. Recent advances in legume-microbe interactions: recognition, defense response, and symbiosis from a genomic perspective. Plant Physiology. 144:582-587.
Molecular and cytological responses of Medicago truncatula to Erysiphe pisi - (Peer Reviewed Journal)
Foster-Hartnett, D., Danesh, D., Penuela, S., Sharopova, N., Endre, G., VandenBosch, K., Young, N.D., Samac, D.A. 2007. Molecular and cytological responses of Medicago truncatula to Erysiphe pisi. Molecular Plant Pathology. 8(3):307-319.
A comparative study of alfalfa and Medicago truncatula stem traits: morphology, chemical composition, and ruminal digestibility - (Peer Reviewed Journal)
Schnurr, J.A., Jung, H.G., Samac, D.A. 2007. A comparative study of alfalfa and Medicago truncatula stem traits: morphology, chemical composition, and ruminal digestibility. Crop Science. 47:1672-1680.
Alfalfa root health and disease management: a foundation for maximizing production potential and stand life - ()
Samac, D.A., Malvick, D., Hudelson, B., Gibbs, A., Hollingsworth, C. 2007. Alfalfa root health and disease management: a foundation for maximizing production potential and stand life. Forage Focus. p. 6-7.
Alfalfa leaf protein and stem cell wall polysaccharide yields under hay and biomass management systems - (Peer Reviewed Journal)
Lamb, J.F., Jung, H.G., Sheaffer, C.C., Samac, D.A. 2007. Alfalfa leaf protein and stem cell wall polysaccharide yields under hay and biomass management systems. Crop Science. 47:1407-1415.
DISTRIBUTION OF PHOMA SCLEROTIOIDES ON ALFALFA AND WINTER WHEAT CROPS IN THE NORTH CENTRAL U.S. - (Peer Reviewed Journal)
Larsen, J.E., Hollingsworth, C.R., Flor, J., Dornbusch, M.R., Simpson, N.L., Samac, D.A. 2007. Distribution of Phoma sclerotioides on alfalfa and winter wheat crops in the North Central U.S. Plant Disease. 91:551-558.
Medicago GeneChips: a new tool for alfalfa genomics research - ()
Tesfaye, M., Samac, D.A., Vance, C.P. 2006. Medicago GeneChips: a new tool for alfalfa genomics research. Forage Focus. p. 3.
ALFALFA LEAF PROTEIN AND STEM CELL WALL POLYSACCHARIDE YIELDS AND THEORETICAL ETHANOL PRODUCTION UNDER HAY AND BIOMASS MANAGEMENT SYSTEMS - (Abstract Only)
Lamb, J.F., Jung, H.G., Sheaffer, C.C., Samac, D.A. 2006. Alfalfa leaf protein and stem cell wall polysaccharide yields and theoretical ethanol production under hay and biomass management systems [abstract]. 40th North American Alfalfa Improvement Conference, July 17-19, 2006, Bloomington, Minnesota. Available: http://www.naaic.org/Meetings/National/2006meeting/procedings/Lamb.PDF.
Alfalfa leaf protein and stem cell wall polysaccharide yields and theoretical ethanol production under hay and biomass management systems - (Abstract Only)
Lamb, J.F., Jung, H.G., Sheaffer, C.C., Samac, D.A. 2006. Alfalfa leaf protein and stem cell wall polysaccharide yields and theoretical ethanol production under hay and biomass management systems [abstract]. North American Alfalfa Improvement Conference, July 16–19, 2006, Bloomington, MN. Available: http://www.naaic.org/Meetings/National/2006meeting/procedings/Lamb.PDF.
TRANSCRIPTOMICS - ()
Kuster, H., Becker, A., Samac, D.A., Tesfaye, M. 2006. Transcriptomics. In: The Medicago truncatula Handbook. The Samuel Roberts Noble Foundation, Ardmore, OK. Available: http://www.noble.org/MedicagoHandbook/.
INOCULATION AND GROWTH WITH FOLIAR PATHOGENIC FUNGI - ()
Ellwood, S., Kamphuis, L., Pfaff, T., Oliver, R., Samac, D.A., Foster-Hartnett, D., Tivoli, B., Onfroy, C., Moussart, A. 2006. Inoculation and growth with foliar pathogenic fungi. In: The Medicago truncatula Handbook. The Samuel Roberts Noble Foundation, Ardmore, OK. Available: http://www.noble.org/MedicagoHandbook/.
PHOMA SCLEROTIOIDES CONFIRMED AS A PATHOGEN OF WINTER WHEAT AND ITS DISTRIBUTION IN NORTHWEST MINNESOTA - (Abstract Only)
Hollingsworth, C.R., Samac, D.A., Atkinson, L.M. 2006. Phoma sclerotioides confirmed as a pathogen of winter wheat and its distribution in northwest Minnesota [abstract]. American Phytopathological Society Abstracts. 2006 North Central Division Meeting, June 13-15, 2006, Fargo, North Dakota. Available: http://www.apsnet.org/meetings/div/nc06abs.asp.
THE AFFYMETRIX MEDICAGO GENECHIP ARRAY IS APPLICABLE FOR TRANSCRIPT ANALYSIS OF ALFALFA (MEDICAGO SATIVA) - (Peer Reviewed Journal)
Tesfaye, M., Silverstein, K.A., Bucciarelli, B., Samac, D.A., Vance, C.P. 2006. The Affymetrix Medicago Genechip Array is applicable for transcript analysis of alfalfa (Medicago sativa). Functional Plant Biology. 33:783-788.
TRANSCRIPT ANALYSIS OF MEDICAGO SPP. - (Abstract Only)
Tesfaye, M., Bucciarelli, B., Samac, D.A., Vance, C.P. 2006. Transcript analysis of Medicago spp. Third International Conference on Legume Genomics and Genetics, April 9-13, 2006, Brisbane, Australia. p. 79.
RECRUITMENT OF NOVEL CALCIUM-BINDING PROTEINS FOR ROOT NODULE SYMBIOSIS IN MEDICAGO TRUNCATULA - (Peer Reviewed Journal)
Liu, J., Miller, S.S., Graham, M., Bucciarelli, B., Catalano, C.M., Sherrier, D.J., Samac, D.A., Ivashuta, S., Fedorova, M., Matsumoto, P., Gantt, J.S., Vance, C.P. 2006. Recruitment of novel calcium-binding proteins for root nodule symbiosis in Medicago truncatula. Plant Physiology. 141:167-177.
TRANSCRIPT PROFILING IN MEDICAGO TRUNCATULA TO IDENTIFY GENES INVOLVED IN ABIOTIC AND BIOTIC STRESS RESPONSES - (Abstract Only)
Samac, D.A., Foster-Hartnett, D., Chandran, D., Ivashuta, S., Sharopova, N., Vandenbosch, K.A. 2006. Transcript profiling in Medicago truncatula to identify genes involved in abiotic and biotic stress responses [abstract]. Plant and Animal Genome Abstracts. Available: http://www.intl-pag.org/14/abstracts/PAG14_W96.html.
TRANSCRIPT ANALYSIS OF EARLY NODULATION EVENTS IN MEDICAGO TRUNCATULA - (Peer Reviewed Journal)
Lohar, D., Sharopova, N., Endre, G., Penuela, S., Samac, D.A., Town, C., Silverstein, K.A., VandenBosch, K.A. 2006. Transcript analysis of early nodulation events in Medicago truncatula. Plant Physiology. 140:221-234.
INSIGHTS INTO SYMBIOTIC NITROGEN FIXATION IN MEDICAGO TRUNCATULA - (Peer Reviewed Journal)
Tesfaye, M., Samac, D.A., Vance, C.P. 2006. Insights into symbiotic nitrogen fixation in Medicago truncatula. Molecular Plant-Microbe Interactions. 19:330-341.
DEVELOPMENT OF ALFALFA FOR ETHANOL PRODUCTION AND OTHER BIOPRODUCTS - ()
Samac, D.A., Jung, H.G., Lamb, J.F. 2005. Development of alfalfa for ethanol production and other bioproducts. Forage Focus. p. 6.
MOLECULAR CHARACTERIZATION OF AL-INDUCED GENES IN MEDICAGO TRUNCATULA AND EXAMINATION OF THEIR ROLE IN AL TOLERANCE - (Abstract Only)
Chandran, D., Ivashuta, S., Gantt, S., Samac, D.A. 2005. Molecular characterization of Al-induced genes in Medicago truncatula and examination of their role in Al tolerance [abstract]. American Society of Plant Biologists Annual Meeting. Abstract No. 511.
CHARACTERIZATION OF TRANSGENIC OAT PLANTS FOR ENHANCED ALUMINUM TOLERANCE VIA EXPRESSION OF AN ALFALFA MDH GENE - (Abstract Only)
Radmer, L., Garvin, D.F., Somers, D., Samac, D.A. 2005. Characterization of transgenic oat plants for enhanced aluminum tolerance via expression of an alfalfa MDH gene [abstract]. Plant Biology Annual Meeting. Abstract No. 512.
DEVELOPMENT OF TRANSGENIC PLANTS EXPRESSING A BACTERIAL ENZYME GENE TO REMOVE AND DEGRADE AN ENVIRONMENTALLY PERSISTENT HERBICIDE, ATRAZINE - (Abstract Only)
Uefuji, H., Wang, L., Samac, D.A., Shapir, N., Wackett, L.P., Vance, C.P., Sadowsky, M.J. 2005. Development of transgenic plants expressing a bacterial enzyme gene to remove and degrade an environmentally persistent herbicide, atrazine [abstract]. Plant Biology Annual Meeting. Abstract No. 1111.
SHOOT SIGNALS AND MOLECULAR REGULATION OF P-DEFICIENCY INDUCED GENES IN CLUSTER ROOTS OF WHITE LUPIN - (Proceedings)
Liu, J., Yamagishi, M., Uhde-Stone, C., Bucciarelli, B., Samac, D.A., Allan, D., Vance, C.P. 2005. Shoot signals and molecular regulation of P-deficiency induced genes in cluster roots of white lupin. In: Li, C.J., Zhang, F.S., Doberman, A., editors. Plant Nutrition for Food Security, Human Health and Environmental Protection. Proceedings of the 15th Plant Nutrition Colloquium, September 14-19, 2005, Beijing, The People's Republic of China. Beijing: Tsinghua University Press. p. 94-96.
PHYSIOLOGICAL AND MOLECULAR EXAMINATION OF ALUMINUM TOLERANCE IN MEDICAGO TRUNCATULA - (Abstract Only)
Chandran, D., Sharopova, N., Garvin, D.F., VandenBosch, K., Samac, D.A. 2005. Physiological and molecular examination of aluminum tolerance in Medicago truncatula [abstract]. 2005 Model Legume Congress, June 5-9, 2005, Pacific Grove, California. Abstract No. S11.
USING MICROARRAY ANALYSIS TO IDENTIFY GENES ASSOCIATED WITH BASAL RESISTANCE AND THE HYPERSENSITIVE RESPONSE (HR) IN MEDICAGO TRUNCATULA - (Abstract Only)
Foster-Hartnett, D., Danesh, D., Penuela, S., Sharopova, N., VandenBosch, K.A., Young, N.D., Samac, D.A. 2005. Using microarray analysis to identify genes associated with basal resistance and the hypersensitive response (HR) in Medicago truncatula [abstract]. 2005 Model Legume Congress, June 5-9, 2005, Pacific Grove, California. Abstract No. P54.
BACTERIAL SYMBIOSIS TRIGGERS THE EXPRESSION OF PLANT RESISTANCE GENES AND INDUCES THE TRANSCRIPTION OF ORGANIC ACID METABOLISM AND AMMONIUM ASSIMILATION GENES IN MEDICAGO TRUNCATULA - (Abstract Only)
Tesfaye, M.T., Samac, D.A., Vance, C.P. 2005. Bacterial symbiosis triggers the expression of plant resistance genes and induces the transcription of organic acid metabolism and ammonium assimilation genes in Medicago truncatula. Model Legume Congress, June 5-9, 2005, Pacific Grove, California. Paper No. S48, p. 126.
CARBON AND NITROGEN METABOLISM IN LEGUME NODULES - (Abstract Only)
Vance, C.P., Miller, S.S., Liu, J., Gantt, J.S., Samac, D.A. 2005. Carbon and nitrogen metabolism in legume nodules. 2005 Model Legume Congress, June 5-9, 2005, Pacific Grove, California. Paper No. S32, p. 43.
DEVELOPMENT OF ALFALFA (MEDICAGO SATIVA L.) AS A BIOFUELS FEEDSTOCK - ()
Samac, D.A., Jung, H.G., Lamb, J.F. 2006. Development of alfalfa (Medicago sativa L.) as a feedstock for production of ethanol and other bioproducts. In: Minteer, S., editor. Alcoholic Fuels. Boca Raton, FL: CRC Press. p. 79-98.
BIODEGRADATION OF ATRAZINE IN TRANSGENIC PLANTS EXPRESSING A MODIFIED BACTERIAL ATRAZINE CHLOROHYDROLASE (ATZA) GENE - (Peer Reviewed Journal)
Wang, L., Samac, D.A., Shapir, N., Wackett, L.P., Vance, C.P., Olszewski, N.E., Sadowsky, M.J. 2005. Biodegradation of atrazine in transgenic plants expressing a modified bacterial atrazine chlorohydrolase (atzA) gene. Plant Biotechnology Journal. 3:475-486.
TRANSCRIPT PROFILING TO IDENTIFY GENES ASSOCIATED WITH DISEASE RESISTANCE IN MEDICAGO TRUNCATULA - (Abstract Only)
Samac, D.A., Foster-Hartnett, D., Penuela, S., Sharopova, N., VandenBosch, K.A. 2005. Transcript profiling to identify genes associated with disease resistance in Medicago truncatula [abstract]. 2nd Australian Model Legume Workshop, April 5-8, 2005, Rottnest Island, Australia. Abstract No. 20.
ROOT NODULE SPECIFIC CALMODULIN-LIKE PROTEINS; CO-OPTING GENES FOR SYMBIOSIS - (Abstract Only)
Liu, J., Miller, S.S., Graham, M., Bucciarelli, B., Catalano, C.M., Sherrier, D.J., Samac, D.A., Ivashuta, S., Fedorova, M., Matsumoto, P., Gantt, J.S., Vance, C.P. 2005. Root nodule specific calmodulin-like proteins; co-opting genes for symbiosis. 2nd Australian Model Legume Workshop Proceedings, April 5-8, 2005, Rottnest Island, Western Australia. p. 13.
AGROBACTERIUM TUMEFACIENS-MEDIATED TRANSFORMATION OF THE FORAGE LEGUME ALFALFA (MEDICAGO SATIVA) - ()
Samac, D.A., Austin-Phillips, S. 2006. Alfalfa (Medicago sativa L.). In: Wang, K., editor. Methods in Molecular Biology, Vol. 343, Agrobacterium Protocols. 2nd edition. Totowa, NJ: Humana Press. p. 301-311.
GENOME CLUSTERING OF NOVEL CALCIUM BINDING PROTEINS INVOLVED IN ROOT NODULE SYMBIOSIS - (Abstract Only)
Miller, S.S., Liu, J., Graham, M., Fedorova, M., Bucciarelli, B., Catalano, C., Sherrier, J., Matsumoto, P., Samac, D.A., Gantt, S., Vance, C.P. 2005. Genome clustering of novel calcium binding proteins involved in root nodule symbiosis [abstract]. Plant and Animal Genome XIII Abstracts. Paper No. W-206, p. 49.
SIGNALING OF PHOSPHORUS DEFICIENCY INDUCED GENE EXPRESSION IN WHITE LUPIN REQUIRES SUGARS AND PHLOEM TRANSPORT - (Peer Reviewed Journal)
Liu, J., Samac, D.A., Bucciarelli, B., Allan, D.L., Vance, C.P. 2005. Signaling of phosphorus deficiency induced gene expression in white lupin requires sugars and phloem transport. Plant Journal. 41:257-268.
CLONING AND CHARACTERIZATION OF RED CLOVER POLYPHENOL OXIDASE CDNAS AND EXPRESSION OF ACTIVE PROTEIN IN ESCHERICHIA COLI AND TRANSGENIC ALFALFA - (Peer Reviewed Journal)
Sullivan, M.L., Hatfield, R.D., Thoma, S., Samac, D.A. 2004. Cloning of red clover polyphenol oxidase cdnas and expression of active protein in escherichia coli and transgenic alfalfa. Plant Physiology. 136:3234-3244.
IDENTIFICATION AND CHARACTERIZATION OF NOVEL CALCIUM BINDING PROTEINS IN THE SYMBIOSOME SPACE OF M. TRUNCATULA - (Abstract Only)
Liu, J., Miller, S.S., Bucciarelli, B., Fedorova, M., Matsumoto, P., Graham, M., Sherrier, J., Samac, D.A., Gantt, S., Vance, C.P. 2004. Identification and characterization of novel calcium binding proteins in the symbiosome space of M. truncatula [abstract]. American Society of Plant Biologists Annual Meeting, July 24-28, 2004, Orlando, FL. Abstract No. 24004.
GENE TRANSCRIPTION PROFILING OF MEDICAGO TRUNCATULA DUE TO CHANGING NUTRIENT NITROGEN SUPPLY - (Abstract Only)
Gebeyaw, M.T., Samac, D.A., VandenBosch, K.A., Vance, C.P. 2004. Gene transcription profiling of Medicago truncatula due to changing nutrient nitrogen supply [abstract]. 19th North American Alfalfa Improvement Conference, July 19-21, 2004, Ste. Foy, Quebec, Canada. Available: http://www.naaic.org/Meetings/National/2004NAAIC&TC/2004abstracts/mtesfaye.pdf.
IDENTIFICATION OF PHOMA SCLEROTIOIDES, THE CAUSAL AGENT OF BROWN ROOT ROT, IN WISCONSIN AND MINNESOTA - (Abstract Only)
Samac, D.A., Hollingsworth, C.R. 2004. Identification of Phoma sclerotioides, the causal agent of brown root rot, in Wisconsin and Minnesota [abstract]. North American Alfalfa Improvement Conference, July 19-21, 2004, Ste. Foy, Quebec, Canada. Abstract No. 51.
TRANSCRIPT PROFILING IN MEDICAGO TRUNCATULA RESPONDING TO INFECTION BY ERYSIPHE PISI AND COLLETOTRICHUM TRIFOLII - (Abstract Only)
Samac, D.A., Foster-Hartnett, D., Penuela, S., Danesh, D., Vandenbosch, K. 2004. Transcript profiling in Medicago truncatula responding to infection by Erysiphe pisi and Colletotrichum trifolii [abstract]. 19th North American Alfalfa Improvement Conference, July 19-21, 2004, Ste Foy, Quebec, Canada. Available: http://www.naaic.org/Meetings/National/2004NAAIC&TC/2004abstracts/dsamac-2.pdf.
DETECTION OF BROWN ROOT ROT OF ALFALFA IN MINNESOTA AND WISCONSIN - (Abstract Only)
Samac, D.A., Hollingsworth, C.R. 2005. Detection of brown root rot of alfalfa in Minnesota and Wisconsin [abstract]. Phytopathology. 95:S165.
GENE EXPRESSION IN DEVELOPING SEED COATS OF MEDICAGO SATIVA - (Abstract Only)
Samac, D.A., Dornbusch, M.R. 2004. Gene expression in developing seed coats of Medicago sativa [abstract]. Second International Conference on Legume Genomics and Genetics, June 7-11, 2004, Dijon, France. p. 266.
LEGUME IMPROVEMENT THROUGH FUNCTIONAL GENOMIC STUDIES OF N AND P ACQUISITION - (Abstract Only)
Vance, C.P., Uhde-Stone, C., Ramirez, M., Fedorova, M., Allan, D., Graham, M., Liu, J., Samac, D.A., Lara, M., Hernandez, G. 2004. Legume improvement through functional genomic studies of N and P acquisition. In: Legumes for the Benefit of Agriculture, Nutrition and the Environment. Second International Conference on Legume Genomics and Genetics, June 7-11, 2004, Dijon, France. p. 304.
TRANSGENIC ALFALFA SECRETES A FUNGAL ENDOCHITINASE PROTEIN TO THE RHIZOSPHERE - (Peer Reviewed Journal)
Tesfaye, M., Denton, M.D., Samac, D.A., Vance, C.P. 2005. Transgenic alfalfa secretes a fungal endochitinase protein to the rhizosphere. Plant and Soil Journal. 269:233-243.
SPATIAL VARIATION IN STREPTOMYCES GENETIC COMPOSITION AND DIVERSITY IN A PRAIRIE SOIL - (Peer Reviewed Journal)
Davelos, A.L., Xiao, K., Samac, D.A., Martin, A.P., Kinkel, L.L. 2004. Spatial variation in Streptomyces genetic composition and diversity in a prairie soil. Microbial Ecology. 48:601-612.
HISTOCHEMICAL AND TRANSCRIPTOME ANALYSIS OF THE INTERACTIONS BETWEEN MEDICAGO TRUNCATULA AND THE PATHOGENS COLLETOTRICHUM TRIFOLII AND ERISYPHE PISI - (Abstract Only)
Foster-Hartnett, D., Penuela, S., Danesh, D., Sharapova, N., VandenBosch, K.A., Young, N.D., Samac, D.A. 2004. Histochemical and transcriptome analysis of the interactions between Medicago truncatula and the pathogens Colletotrichum trifolii and Erisyphe pisi [abstract]. Second International Conference on Legume Genomics and Genetics, June 7-11, 2004, Dijon, France. p. 239.
AN EVALUATION OF ALUMINUM TOLERANCE IN MEDICAGO TRUNCATULA - (Abstract Only)
Chandran, D., Garvin, D.F., Samac, D.A. 2004. An evaluation of aluminum tolerance in Medicago truncatula [abstract]. American Society of Plant Biologists Annual Meeting, July 24-28, 2004, Orlando, FL. Abstract No. 692.
A COMPARISON OF CONSTITUTIVE PROMOTERS FOR EXPRESSION OF TRANSGENES IN ALFALFA (MEDICAGO SATIVA) - (Peer Reviewed Journal)
Samac, D.A., Dornbusch, M., Gebeyaw, M.T., Purev, S., Temple, S.J. 2004. A comparison of constitutive promoters for expression of transgenes in alfalfa (Medicago sativa). Transgenic Research. 13:349-361.
SPATIAL VARIATION IN THE FREQUENCY AND INTENSITY OF ANTIBIOTIC INTERACTIONSAMONG STREPTOMYCETES FROM PRAIRIE SOIL - (Peer Reviewed Journal)
Davelos, A.L., Kinkel, L.L., Samac, D.A. 2004. Spatial variation in the frequency and intensity of antibiotic interactions among streptomycetes from prairie soil. Applied and Environmental Microbiology. 70(2):1051-1058.
BROWN ROOT ROT OF ALFALFA: WHAT'S THE BIG DEAL? - (Abstract Only)
Peterson, P., Samac, D.A., Hollingsworth, C. 2003. Brown root rot of alfalfa: what's the big deal? Minnesota Forage and Grassland Council Forage Connection Newsletter. p. 7.
EXPRESSION OF UDP-GLUCOSE DEHYDROGENASE REDUCES CELL-WALL POLYSACCHARIDE CONCENTRATION AND INCREASES XYLOSE CONTENT IN ALFALFA STEMS - (Peer Reviewed Journal)
Samac, D.A., Litterer, L., Temple, G., Jung, H.G., Somers, D.A. 2004. Expression of UDP-glucose dehydrogenase reduces cell-wall polysaccharide concentration and increases xylose content in alfalfa stems. Applied Biochemistry and Biotechnology. 116(1):1167-1182.
THE INFLUENCE OF ORGANIC ACID EXUDATION IN ALFALFA ON ALUMINUM TOLERANCE, NUTRIENT ACQUISITION, AND BACTERIAL DIVERSITY - ()
Samac, D.A. 2003. Influence of organic acid exudation in alfalfa on aluminum tolerance, nutrient acquisition, and bacterial diversity. Information Systems for Biotechnology News Report. Available: http://www.isb.vt.edu/news/2003/artspdf/nov0301.pdf
IMPROVING THE LEGUME-RHIZOBIUM SYMBIOSIS: CAN GENOMICS AND MOLECULAR GENETICS HELP? - (Proceedings)
Fedorova, M., Denton, M., Schulze, J., Liu, J., Graham, M., Allan, D., Samac, D.A., Vance, C.P. 2004. Improving the legume-rhizobium symbiosis: can genomics help? In: Tikonovich, I., editor. Molecular Plant Microbe Interactions: New Bridges Between Past and Future. Kluwer Academic Publishers. p. 29-31.
MODIFICATION OF THE RHIZOSPHERE BY CLUSTER ROOTS OF PHOSPHORUS-STRESSED WHITE LUPIN - (Abstract Only)
REGULATION OF PHOSPHATE DEFICIENCY INDUCED GENES IN NITROGEN FIXING NODULES AND IN REPRODUCTIVE TISSUES OF TRANSGENIC ALFALFA - (Abstract Only)
Liu, J., Samac, D.A., Allan, D., Vance, C.P. 2003. Regulation of phosphate deficiency induced genes in nitrogen fixing nodules and in reproductive tissues of transgenic alfalfa [abstract]. American Society of Plant Biologists Annual Meeting. Available: http://Z16.133.76.127/pb2003/public/P39/0210.html.
CHARACTERIZATION OF PHOSPHATE DEFICIENCY INDUCED GENES FROM WHITE LUPIN AND ANALYSIS OF PROMOTER ACTIVITY IN TRANSGENIC PLANTS - (Abstract Only)
ALFALFA FOR BIOPHARMACEUTICALS? - (Abstract Only)
Gebeyaw, M.T., Denton, M.D., Samac, D.A., Vance, C.P. 2003. Alfalfa for biopharmaceuticals?. Molecular Breeding of Forage and Turf Conference. Available: https://www.register-for.com/mbft/AbstractView.Asp?AbstractId=Abstract29fd
CLONING OF RED CLOVER AND ALFALFA POLYPHENOL OXIDASE GENES AND EXPRESSION OF ACTIVE ENZYMES IN TRANSGENIC ALFALFA - ()
Sullivan, M.L., Thoma, S., Samac, D.A., Hatfield, R.D. 2004. Cloning of red clover and alfalfa polyphenol oxidase genes and expression of active enzymes in transgenic alfalfa. In: Hopkins, A., Wang, Z-Y., Mian, R., Sledge, M., Barker, R.W. editors. Molecular Breeding of Forage and Turf. Netherlands: Kluwer Academic Publishers. p. 189-195.
EXPRESSION OF UDP-GLUCOSE DEHYDROGENASE INCREASES ACCUMULATION OF ARABINOSE AND XYLOSE IN ALFALFA STEMS - (Abstract Only)
Samac, D.A., Jung, H.G., Litterer, L., Somers, D.A., Temple, G.G. 2003. Expression of UDP-glucose dehydrogenase increases accumulation of arabinose and xylose in alfalfa stems [abstract]. Biotechnology for Fuels and Chemicals Symposium Proceedings. p. 23.
INFLUENCE OF ENHANCED MALATE DEHYDROGENASE EXPRESSION BY ALFALFA ON DIVERSITY OF RHIZOBACTERIA AND SOIL NUTRIENT AVAILABILITY - (Peer Reviewed Journal)
Tesfaye, M., Dufault, N.S., Dornbusch, M.R., Allan, D.L., Vance, C.P., Samac, D.A. 2003. Influence of enhanced malate dehydrogenase expression by alfalfa on diversity of rhizobacteria and soil nutrient availability. Soil Biology and Biochemistry. 35:1103-1113.
PLANT IMPROVEMENT FOR TOLERANCE TO ALUMINUM IN ACID SOILS--A REVIEW - ()
Samac, D.A., Tesfaye, M. 2003. Plant improvement for tolerance to aluminum in acid soils. A review. Plant Cell Tissue And Organ Culture. 75(3):189-207.
EXPRESSION OF ORYZACYSTATIN I AND II IN ALFALFA INCREASES RESISTANCE TO THEROOT-LESION NEMATODE - (Peer Reviewed Journal)
SAMAC, D.A., SMIGOCKI, A.C. EXPRESSION OF ORYZACYSTATIN I AND II IN ALFALFA INCREASES RESISTANCE TO THE ROOT-LESION NEMATODE. PHYTOPATHOLOGY. 2003. V. 93. P. 799-804.
RECENT ADVANCES IN LEGUME TRANSFORMATION - ()
SOMERS, D.A., SAMAC, D.A., OLHOFT, P.M. RECENT ADVANCES IN LEGUME TRANSFORMATION. PLANT PHYSIOLOGY. 2003. V. 131. P. 892-899.
MICROARRAY ANALYSIS OF PATHOGEN INTERACTIONS WITH MEDICAGO TRUNCATULA - (Abstract Only)
PLANT DENSITY AND MATURITY EFFECTS ON LEAF AND STEM YIELD IN ALFALFA - (Peer Reviewed Journal)
POPULATION DENSITY AND HARVEST MATURITY EFFECTS ON LEAF AND STEM QUALITY IN ALFALFA - (Peer Reviewed Journal)
LAMB, J.F., SHEAFFER, C.C., SAMAC, D.A. 2003. POPULATION DENSITY AND HARVEST MATURITY EFFECTS ON LEAF AND STEM YIELD IN ALFALFA. AGRONOMY JOURNAL. 95:635-641.
FUNCTIONAL ANALYSIS OF DIFFERENT PHOSPHATE DEFICIENCY INDUCED PROMOTERS IN TRANSGENIC ALFALFA - (Abstract Only)
Liu, J., Samac, D.A., Allan, D., Vance, C.P. 2002. Functional analysis of different phosphate deficiency induced promoters in transgenic alfalfa. American Society of Plant Biologists Annual Meeting. Available: http://Z16.133.76.127/pb2002/public/P51/0889.html.
OVEREXPRESSION OF A NODULE-ENHANCED MALATE DEHYDROGENASE INCREASES NITROGEN FIXATION IN ALFALFA - (Abstract Only)
Denton, M.D., Schulze, J., Temple, S.J., Russelle, M.P., Allan, D., Samac, D.A., Vance, C.P. 2002. Overexpression of a nodule-enhanced malate dehydrogenase increases nitrogen fixation in alfalfa. American Society of Plant Biologists Annual Meeting. Available: http://Z16.133.76.127/pb2002/public/P60/1042.html.
EFFECTS OF ANTIBIOTIC-PRODUCING STREPTOMYCES SPP. ON NODULATIONS AND LEAF SPOT IN ALFALFA - (Peer Reviewed Journal)
SAMAC, D.A., WILLERT, A.M., MCBRIDE, M.J., KINKEL, L.L. EFFECTS OF ANTIBIOTIC-PRODUCING STREPTOMYCES SPP. ON NODULATIONS AND LEAF SPOT IN ALFALFA. APPLIED SOIL ECOLOGY. 2003. V. 22. P. 55-66.
NEW USES FOR ALFALFA: THE POTENTIAL FOR TRANSGENIC ALFALFA TO DIRECT RECOMBINANT PROTEINS INTO THE RHIZOSPHERE - (Abstract Only)
Gebeyaw, M.T., Denton, M.T., Samac, D.A., Vance, C.P. 2002. New uses for alfalfa: the potential for transgenic alfalfa to direct recombinant proteins into the rhizosphere. American Society of Plant Biologists Annual Meeting. Available: http://Z16.133.76.127/pb2002/public/P72/0642.html.
TRANSCRIPTOME ANALYSIS OF PATHOGENIC INTERACTIONS WITH MEDICAGO TRUNCATULA - (Abstract Only)
SAMAC, D.A., PENUELA, S., DANESH, D., YOUNG, N.D., VANDENBOSCH, K. TRANSCRIPTOME ANALYSIS OF PATHOGENIC INTERACTIONS WITH MEDICAGO TRUNCATULA. 38TH NORTH AMERICAN ALFALFA IMPROVEMENT CONFERENCE. 2002. P. 6.
PATHOSYSTEM DEVELOPMENT AND TRANSCRIPTOME ANALYSIS OF PATHOGEN INTERACTIONS WITH MEDICAGO TRUNCATULA - (Abstract Only)
SAMAC, D.A., PENUELA, S., DANESH, D., YOUNG, N.D., VANDENBOSCH, K. PATHOSYSTEM DEVELOPMENT AND TRANSCRIPTOME ANALYSIS OF PATHOGEN INTERACTIONS WITH MEDICAGO TRUNCATULA. NORTH AMERICAN ALFALFA IMPROVEMENT CONFERENCE. 2002. ABSTRACT. P. 48.
GENETIC MANIPULATION OF ALFALFA FOR ORGANIC ACID SYNTHESIS AND ALUMINUM TOLERANCE - (Abstract Only)
SAMAC, D.A., GEBEYAW, M.T., ALLAN, D.L., VANCE, C.P. GENETIC MANIPULATION OF ALFALFA FOR ORGANIC ACID SYNTHESIS AND ALUMINUM TOLERANCE. 38TH NORTH AMERICAN ALFALFA IMPROVEMENT CONFERENCE. 2002. ABSTRACT. P. 26.
MOLECULAR VARIABILITY AND PATHOGENESIS OF PHOMA MEDICAGINIS VAR. MEDICAGINIS ISOLATES FROM MINNESOTA - (Abstract Only)
Castell, C., Samac, D.A., Szabo, L. 2002. Molecular variability and pathogenesis of Phoma medicaginis var. medicaginis isolates from Minnesota. Phytopathology. 92:S12.
EVALUATION OF ANNUAL MEDIC GERMPLASM FOR UPPER MIDWEST AGROECOSYSTEMS - (Peer Reviewed Journal)
DE HAAN, R.L., SHEAFFER, C.C., SAMAC, D.A., MOYNIHAN, J.M., BARNES, D.K. 2002. EVALUATION OF ANNUAL MEDIC GERMPLASM FOR UPPER MIDWEST AGROECOSYSTEMS. JOURNAL OF AGRONOMY AND CROP SCIENCE. 188:417-425.
FIRST INTERNATIONAL CONFERENCE ON LEGUME GENOMICS AND GENETICS: TRANSLATION TO CROP IMPROVEMENT - (Proceedings)
MALATE PLAYS A CENTRAL ROLE IN PLANT NUTRITION - (Peer Reviewed Journal)
Schulze, J., Tesfaye, M., Litjens, R.H.M.G., Bucciarelli, B., Trepp, G., Miller, S., Samac, D., Allan, D., Vance, C.P. 2002. Malate plays a central role in plant nutrition. Plant and Soil Journal. 247:133-139.
FUNCTIONAL GENOME ANALYSIS OF PATHOGEN INTERACTIONS OF MEDICAGO TRUNCATULA - (Abstract Only)
GENETIC MANIPULATION OF ALFALFA AND MEDICAGO TRUNCATULA FOR ORGANIC ACID SYNTHESIS AND METAL TOLERANCE - (Abstract Only)
PHOSPHORUS STRESS INDUCED PROTEOID ROOTS OF WHITE LUPIN: AN EST APPROACH TO FUNCTION AND DEVELOPMENT - (Abstract Only)
BIOLOGICAL CONTROL OF PHYTOPHTHORA ROOT ROTS ON ALFALFA AND SOYBEAN WITH STREPTOMYCES - (Peer Reviewed Journal)
Xiao, K., Samac, D.A., Kinkel, L.L. 2002. Biological control of Phytophthora root rots on alfalfa and soybean with Streptomyces. Biological Control. 23:285-295.
PRODUCTION OF A BIODEGRADABLE PLASTIC POLYMER, POLY-B-HYDROXYBUTYRATE, IN TRANSGENIC ALFALFA - (Peer Reviewed Journal)
Saruul, P., Srienc, F., Somers, D.A., Samac, D.A. 2002. Production of a biodegradable plastic polymer, poly-B-hydroxybutyrate, in transgenic alfalfa. Crop Science. 42:919-927.
OVEREXPRESSION OF MALATE DEHYDROGENEASE IN TRANSGENIC ALFALFA ENHANCES ORGANIC ACID SYNTHESIS AND CONFERS TOLERANCE TO ALUMINUM - (Peer Reviewed Journal)
Tesfaye, M., Temple, S.J., Allan, D.L., Vance, C.P., Samac, D.A. 2001. Overexpression of malate dehydrogenease in transgenic alfalfa enhances organic acid synthesis and confers tolerance to aluminum. Plant Physiology. 127:1836-1844.
MOLECULAR VARIABILITY OF PHOMA MEDICAGINIS VAR. MEDICAGINIS - (Abstract Only)
CASTELL, C., SAMAC, D.A. MOLECULAR VARIABILITY OF PHOMA MEDICAGINIS VAR. MEDICAGINIS. PHYTOPATHOLOGY. 2001. V. 91. P. 513.
SPATIAL PATTERNS OF ANTIBIOTIC INHIBITION AND RESISTANCE AMONG STREPTOMYCETES FROM PRAIRIE SOILS - (Abstract Only)
GENETIC DIVERSITY OF STREPTOMYCETE POPULATIONS ASSOCIATED WITH TWO DIFFERENT PRAIRIE SOILS - (Abstract Only)
LEE, S.D., KINKEL, L.L., SAMAC, D.A. GENETIC DIVERSITY OF STREPTOMYCETE POPULATIONS ASSOCIATED WITH TWO DIFFERENT PRAIRIE SOILS. PHYTOPATHOLOGY. 2001. V. 91. P. 554.
SPATIAL PATTERNS OF ANTIBIOTIC INHIBITION AND RESISTANCE AMONG STREPTOMYCETES FROM PRAIRIE SOILS - (Abstract Only)
DAVELOS, A.L., KINKEL, L.L., SAMAC, D.A. SPATIAL PATTERNS OF ANTIBIOTIC INHIBITION AND RESISTANCE AMONG STREPTOMYCETES FROM PRAIRIE SOILS. AMERICAN PHYTOPATHOLOGY SOCIETY. 2001. V. 91. P. 521.
HOST RANGE OF CLAVIBACTER MICHIGANENSIS SUBSP. INSIDIOSUS - (Abstract Only)
FUNCTIONAL GENOMIC ANALYSIS OF SYMBIOTIC AND PATHOGENIC INTERACTIONS OF MEDICAGO TRUNCATULA - (Abstract Only)
EST ANALYSIS FOR DISCOVERY OF MICROBE-INDUCED GENES IN ROOTS OF MEDICAGO TRUNCATULA - (Abstract Only)
EXPRESSION ANALYSIS OF MEDICAGO TRUNCATULA ESTS INVOLVED IN PLANT-MICROBE INTERACTIONS USING MACRO- AND MICROARRAYS - (Abstract Only)
IMPROVING ALFALFA FIBER DIGESTIBILITY - (Proceedings)
JUNG, H.G., LINN, J.G., LAMB, J.F., SAMAC, D.A., SOMERS, D.A. IMPROVING ALFALFA FIBER DIGESTIBILITY. FOUR-STATE APPLIED NUTRITION AND MANAGEMENT CONFERENCE PROCEEDINGS. 2001. P. 127-137.
IMPROVING ALFALFA FIBER DIGESTIBILITY - (Proceedings)
JUNG, H.G., LINN, J.G., LAMB, J.F., SAMAC, D.A., SOMERS, D.A. IMPROVING ALFALFA FIBER DIGESTIBILITY. FOUR-STATE APPLIED NUTRITION AND MANAGEMENT CONFERENCE. 2001. CD-ROM. UNIVERSITY OF ILLINOIS.
DEVELOPMENT AND UTILIZATION OF TRANSFORMATION IN MEDICAGO SPECIES - ()
Samac, D.A., Temple, S.J. 2004. Development and utilization of transformation in Medicago species. In: Liang, G.H., Skinner, D.Z., editors. Genetically Modified Crops: Their Development, Uses, and Risks. New York, NY: Haworth Press. p. 165-202.
VIRTUAL AND ACTUAL GENE EXPRESSION ANALYSES OF MEDICAGO TRUNCATULA ROOTS CHALLENGED BY MICROBES - (Abstract Only)
THE PIVOTAL ROLE OF MALATE IN ROOT NODULE METABOLISM AND LEGUME GROWTH - (Abstract Only)
CONSTITUTIVE EXPRESSION OF A NODULE ENHANCED MALATE DEHYDROGENASE GENE IN ALFALFA PLANTS ALTERS ORGANIC ACID SYNTHESIS AND IMPROVES GROWTH IN ACID CULTURE - (Abstract Only)
SUPPRESSION OF THE ROOT-LESION NEMATODE (PRATYLENCHUS PENETRANS) IN ALFALFA(MEDICAGO SATIVA) BY STREPTOMYCES SPP. - (Peer Reviewed Journal)
Samac, D.A., Kinkel, L.L. 2001. Suppression of the root-lesion nematode (Pratylenchus penetrans) in alfalfa (Medicago sativa) by Streptomyces spp. Plant and Soil. 235:35-44.
MOLECULAR CONTROL OF CARBON-NITROGEN INTERACTIONS IN SYMBIOTIC NITROGEN FIXATION - (Proceedings)
ALUMINUM TOLERANCE IN MEDICAGO SATIVA AND MEDICAGO TRUNCATULA - (Abstract Only)
SYNTHESIS OF BIODEGRADABLE PLASTICS IN ALFALFA PLANTS - (Abstract Only)
MATURITY AND PLANT DENSITY EFFECTS ON LEAF AND STEM QUALITY IN ALFALFA - (Abstract Only)
METHOD VALIDATION BY RING TESTING TO ESTABLISH INTERNATIONAL STANDARDS FOR SEED TESTING; A CASE STUDY - (Abstract Only)
THE BIOLOGY AND POLITICS OF ALFALFA ELECTRICITY - (Abstract Only)
FUNCTIONAL ANALYSIS OF MEDICAGO TRUNCATULA EXPRESSED SEQUENCE TAGS ASSOCIATED WITH PLANT-MICROBE INTERACTIONS - (Abstract Only)
THE BIOLOGY AND POLITICS OF ALFALFA ELECTRICITY - (Abstract Only)
SYNTHESIS OF BIODEGRADABLE PLASTICS IN ALFALFA PLANTS - (Abstract Only)
ALUMINUM TOLERANCE IN TRANSGENIC ALFALFA (MEDICAGO SATIVA L.) - (Abstract Only)
FUNCTIONAL GENOMICS OF THE MODEL LEGUME MEDICAGO TRUNCATULA: ANALYSIS OF ESTS ASSOCIATED WITH PLANT-MICROBE INTERACTION - (Abstract Only)
ALFALFA BIOMASS PRODUCTION: PLANT DENSITY AND MATURITY EFFECTS ON YIELD AND QUALITY - (Abstract Only)
INCREASED HERBAGE YIELD IN ALFALFA ASSOCIATED WITH SELECTION FOR FIBROUS AND LATERAL ROOTS - (Peer Reviewed Journal)
Lamb, J.F., Samac, D.A., Barnes, D.K., Henjum, K.I. 2000. Increased herbage yield in alfalfa associated with selection for fibrous and lateral roots. Crop Science. 40:693-699.
REGISTRATION OF A REGENERATING INEFFECTIVELY NODULATED ALFALFA GERMPLASM - UMN 3176 - (Peer Reviewed Journal)
A PCR ASSAY FOR IDENTIFICATION OF CLAVIBACTER MICHIGANENSIS SUBSP. INSIDIOSUS - (Proceedings)
PCR ASSAY FOR IDENTIFICATION OF CLAVIBACTER MICHIGANENSIS SUBSP. INSIDIOSUS - (Abstract Only)
USE OF CULTURE PLATING, POLYMERASE CHAIN REACTION, AND NEAR INFRARED SPECTROSCOPY TO SCREEN ALFALFA POPULATIONS FOR THE PRESENCE OF VASCULAR WILT PATHOGENS - (Abstract Only)
PROMOTERS FOR CONSTITUTIVE AND TISSUE-SPECIFIC EXPRESSION OF TRANSGENES IN ALFALFA - (Abstract Only)
SUPPRESSION OF ROOT-LESION NEMATODES BY EXPRESSION OF RICE PROTEASE INHIBITOR GENES IN ALFALFA - (Abstract Only)
GENETIC TRANSFORMATION OF ALFALFA (MEDICAGO SATIVA L.) FOR INCREASED TOLERANCE TO ACID SOILS - (Abstract Only)
AGE-DEPENDENT AND PATHOGEN-INDUCED EXPRESSION OF AN ALFALFA CLASS 1 CHITINASE GENE - (Abstract Only)
THE ALFALFA (MEDICAGO SATIVA) TDY1 GENE ENCODES A MITOGEN-ACTIVATED PROTEIN KINASE HOMOLOG - (Peer Reviewed Journal)
Schoenbeck, M.A., Samac, D.A., Fedorova, M., Gregerson, R.G., Gantt, J.S., Vance, C.P. 1999. The alfalfa (Medicago sativa) TDY1 gene encodes a mitogen-activated protein kinase homolog. Molecular Plant Microbe Interactions. 12(10):882-893.
DECREASED NADH GLUTAMATE SYNTHASE ACTIVITY IN NODULES AND FLOWERS OF ALFALFA (MEDICAGO SATIVA L.) TRANSFORMED WITH AN ANTISENSE GLUTAMATE SYNTHASE TRANSGENE - (Peer Reviewed Journal)
NADH-GLUTAMATE SYNTHASE (GOGAT) IN ALFALFA ROOT NODULES: GENETIC REGULATION AND CELLULAR EXPRESSION - (Peer Reviewed Journal)
ASPARTATE AMINOTRANSFERASE IN ALFALFA NODULES: LOCALIZATION OF MRNA DURINGEFFECTIVE AND INEFFECTIVE NODULE DEVELOPMENT AND PROMOTER ANALYSIS - (Peer Reviewed Journal)
TRANSMISSION FREQUENCY OF CLAVIBACTER MICHIGANENSIS SUBSP. INSIDIOSUS TO ALFALFA SEED AND IDENTIFICATION OF THE BACTERIUM BY PCR - (Peer Reviewed Journal)
IDENTIFICATION AND UTILIZATION OF PLANT PROTEIN INHIBITORS FOR INSECT CONTROL IN ALFALFA - (Abstract Only)
MATURITY AND PLANT DENSITY EFFECTS ON STEM AND LEAF TRAITS FOR ALFALFA BIOMASS PRODUCTION - (Abstract Only)
INCREASED ALUMINUM TOLERANCE IN TRANSGENIC PLANTS BY ALTERED EXPRESSION OF MALATE DEHYDROGENASE - (Abstract Only)
ALFALFA (MEDICAGO SATIVA L.) RESISTANCE TO THE ROOT-LESION NEMATODE, PRATYLENCHUS PENETRANS: DEFENSE-RESPONSE GENE MRNA AND ISOFLAVONOID PHYTOALEXIN LEVELS IN ROOTS - (Peer Reviewed Journal)
INHIBITION OF ALFALFA ROOT NODULE PHOSPHOENOLPYRUVATE CARBOXYLASE THROUGH AN ANTISENSE STRATEGY IMPACTS NITROGEN FIXATION AND PLANT GROWTH - (Peer Reviewed Journal)
IMPROVING STRESS TOLERANCE IN ALFALFA BY GENE TRANSFER - (Proceedings)
NITROGEN ASSIMILATION IN ALFALFA: ISOLATION AND CHARACTERIZATION OF AN ASPARAGINE SYNTHETASE GENE SHOWING ENHANCED EXPRESSION IN ROOT NODULES AND DARK-ADAPTED LEAVES - (Peer Reviewed Journal)
NODULE CARBON METABOLISM: ORGANIC ACIDS FOR N2 FIXATION - (Proceedings)
PROMOTER ANALYSIS OF AN ASPARAGINE SYNTHETASE GENE SHOWING ENHANCED EXPRESSION IN ALFALFA ROOT NODULES AND DARK ADAPTED LEAVES - (Abstract Only)
THE ALFALFA TDY1 GENE ENCODES A MAP KINASE HOMOLOGUE - (Abstract Only)
MODULATION OF NITROGEN METABOLISM IN TRANSGENIC ALFALFA - (Abstract Only)
ALFALFA BIOMASS: SELECTION AND BREEDING - (Abstract Only)
RESISTANCE MECHANISM OF ALFALFA TO THE ROOT-LESION NEMATODE - (Abstract Only)
DELAY OF LEAF SENESCENCE IN TRANSGENIC ALFALFA PLANTS - (Abstract Only)
EVIDENCE FROM ANTISENSE AND INHIBITOR STUDIES SUGGESTS A ROLE FOR PEPC IN N2 FIXATION? - (Abstract Only)
BIOLOGICAL CONTROL OF ROOT-LESION NEMATODES IN ALFALFA BY STREPTOMYCES - (Abstract Only)
MODULATION OF NITROGEN ASSIMILATION IN TRANSGENIC ALFALFA - (Abstract Only)
DELAY OF LEAF SENESCENCE IN TRANSGENIC ALFALFA PLANTS EXPRESSING A GENE FOR CYTOKININ BIOSYNTHESIS - (Abstract Only)
ALFALFA NADH-DEPENDENT GLUTAMATE SYNTHASE: STRUCTURE OF THE GENE AND IMPORTANCE IN SYMBIOTIC N2 FIXATION - (Peer Reviewed Journal)
ALFALFA ASPARTATE AMINOTRANSFERASE-2: IN SITU EXPRESSION OF MRNA IN ROOT NODULES AND ANALYSIS OF THE PUTATIVE PROMOTER REGION OF THE GENE - (Abstract Only)
MECHANISM OF BIOLOGICAL CONTROL OF A DISEASE SUPPRESSIVE STREPTOMYCES ISOLATE - (Abstract Only)
EFFECT OF ROOT-LESION NEMATODES ON MRNA LEVELS OF DEFENSE-RESPONSE GENES IN ALFALFA ROOTS - (Abstract Only)
DEVELOPMENT AND UTILIZATION OF AN AGROBACTERIUM-MEDIATED TRANSFORMATION SYSTEM FOR ALFALFA - (Abstract Only)
FORAGE YIELD, DORMANCY, AND DISEASE RESISTANCE RESPONSE TO TWO CYCLES OF DIVERGENT SELECTION FOR ROOT ARCHITECTURE IN ALFALFA - (Abstract Only)
BIOLOGICAL CONTROL OF FUNGI CAUSING ALFALFA SEEDLING DAMPING-OFF WITH A PATHOGEN-SUPPRESSIVE STRAIN OF STREPTOMYCES - (Peer Reviewed Journal)
LOCALIZATION AND REGULATION OF THE NADH-DEPENDENT GLUTAMATE SYNTHASE IN ALFALFA ROOT NODULES - (Abstract Only)
CHARACTERIZATION OF A NODULE ENHANCED ASPARAGINE SYNTHETASE GENE FROM ALFALFA - (Abstract Only)
REDUCTION OF NODULE-ENHANCED NADH-GLUTAMATE SYNTHASE ACTIVITY IN TRANSGENIC ALFALFA - (Abstract Only)
FIRST REPORT OF PHYTOPHTHORA MEGASPERMA F. SP. MEDICAGINIS CAUSING PHYTOPHTHORA ROOT ROT ON ANNUAL MEDICAGO SPP. - (Peer Reviewed Journal)
ALFALFA ROOT NODULE PHOSPHOENOLPYRUVATE CARBOXYLASE AND NADH-GLUTAMATE SYNTHASE: CRITICAL EFFECTORS OF NITROGEN METABOLISM - (Abstract Only)
ALFALFA ROOT NODULE PHOSPHOENOLPYRUVATE CARBOXYLASE AND NADH-GLUTAMATE SYNTHASE: CRITICAL AFFECTORS OF NITROGEN METABOLISM - (Abstract Only)
BIOCHEMICAL AND MOLECULAR DISSECTION OF NITROGEN ASSIMILATION IN ALFALFA ROOT NODULES - ()
FREQUENCY OF SEED TRANSMISSION OF ALFALFA BACTERIAL WILT AND DETECTION BY APCR ASSAY - (Abstract Only)
PYTHIUM SEED ROT AND DAMPING-OFF RESISTANCE - ()
A MAP KINASE HOMOLOGUE FROM ALFALFA ROOT NODULE LIBRARY - (Abstract Only)
CHARACTERIZATION OF A NODULE ENHANCED ASPARAGINE SYNTHETASE GENE FROM ALFALFA - (Abstract Only)
ANALYSES OF PHOSPHOENOLPYRUVATE CARBOXYLASE GENE STRUCTURE AND EXPRESSION IN ALFALFA NODULES - (Abstract Only)