Patrick M O`Neill
Wheat, Sorghum and Forage Research
Biological Science Technician
Phone: (402) 472-9288
Fax: (402) 472-4020
(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
Publications
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Changes in phenylpropanoids in two sweet sorghum lines differing with contrasting responses to stalk pathogens
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Responses of wheat constitutively expressing monolignol biosynthetic genes to fusarium head blight caused by fusarium graminearum
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Phenylpropanoids following wounding and infection of sweet sorghum lines differing in responses to stalk pathogens
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Khasin, M., Bernhardson, L.F., O'Neill, P.M., Palmer, N.A., Scully, E.D., Sattler, S.E., Sarath, G., Funnell-Harris, D.L. 2024. Phenylpropanoids following wounding and infection of sweet sorghum lines differing in responses to stalk pathogens. Phytopathology. 114:177-192. https://doi.org/10.1094/PHYTO-12-22-0459-R.
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Effects of altering three steps of monolignol biosynthesis on sorghum responses to stalk pathogens and water deficit
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Funnell-Harris, D.L., Sattler, S.E., O'Neill, P.M., Gries, T.L., Ge, Z., Nersesian, N. 2023. Effects of altering three steps of monolignol biosynthesis on sorghum responses to stalk pathogens and water deficit. Plant Disease. 107:3984-3995. https://doi.org/10.1094/PDIS-08-22-1959-RE.
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Effects of altering three steps of monolignol biosynthesis on sorghum responses to stalk pathogens and water deficit
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Constitutively expressing the sorghum phenylpropanoid pathway gene SbCCoAOMT can improve resistance to fusarium head blight of wheat
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Elucidating the mechanism behind increased type-II resistance to fusarium head blight and reduced deoxynivalenol accumulation in wheat lines onstitutively expressing the sorghum phenylpropanoid pathway gene, SbCCoAOMT
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The brown midrib (bmr) mutants prevent stalk rots under drought conditions and improve sorghum biomass quality
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Funnell-Harris, D.L., Sattler, S.E., Toy, J.J., Oneill, P.M., Khasin, M. 2023. The brown midrib (bmr) mutants prevent stalk rots under drought conditions and improve sorghum biomass quality. Presented at: Sorghum in the 21st Century, Global Sorghum Conference, Montpelier, France, June 5 – 9, 2023. Meeting Abstract Book. p. 142.
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Response of sorghum lines carrying recently identified brown midrib (bmr) mutations to stalk rot pathogens and water deficit
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Funnell-Harris, D.L., Sattler, S.E., Toy, J.J., Oneill, P.M., Bernhardson, L.F. 2023. Response of sorghum lines carrying recently identified brown midrib (bmr) mutations to stalk rot pathogens and water deficit. Plant Pathology. https://doi.org/10.1111/ppa.13702.
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Phenylpropanoid-based resistance to Fusarium head blight in wheat
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Singla, S., Duray, Z., Dill-Macky, R., O’Neill, P., Bernhardson, L., Tatineni, S., Sattler, S., Wegulo, S. and Funnell-Harris, D. (2021) Phenylpropanoid based Fusarium head blight resistance in wheat. Proceedings of the 2021 National Fusarium Head Blight Forum; Virtual. December 6-7, 2021. Retrieved from: https://scabusa.org/forum/2021/2021NFHBForumProceedings.pdf.
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Constitutive expression of SbCCoAOMT in the phenylpropanoid pathway can improve resistance to fusarium head blight of wheat
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Singla, S., Palmer, N.A., Bernhardson, L., Oneill, P.M., Gries, T.L., Duray, Z., Dill-Macky, R., Sattler, S.E., Wegulo, S., Funnell-Harris, D.L. 2022. Constitutive expression of SbCCoAOMT in the phenylpropanoid pathway can improve resistance to fusarium head blight of wheat. Presented at 2022 National Fusarium Head Blight Forum, Tampa, FL, Dec. 4 – 6, 2022. p. 59 of Proceedings (https://scabusa.org/forum/2022/2022NFHBForumProceedings.pdf)
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Wound and defense induced cell wall phenylpropanoids in sweet sorghums with differing responses to stalk pathogens
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Role of phenylpropanoid pathway genes in conferring resistance to Fusarium head blight of wheat
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Association of dhurrin levels and post-flowering non-senescence with resistance to stalk rot pathogens in sorghum bicolor
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Funnell-Harris, D.L., Sattler, S.E., Oneill, P.M., Toy, J.J., Bernhardson, L.F., Kilts, M., Khasin, M. 2022. Association of dhurrin levels and post-flowering non-senescence with resistance to stalk rot pathogens in sorghum bicolor. European Journal of Plant Pathology. 163:237-254. https://doi.org/10.1007/s10658-022-02473-2.
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Pathogen and drought stress affect cell wall and phytohormone signaling to shape host responses in a sorghum COMT bmr12 mutant
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Khasin, M., Bernhardson, L.F., O'Neill, P.M., Palmer, N.A., Scully, E.D., Sattler, S.E., Funnell-Harris, D.L. 2021. Pathogen and drought stress affect cell wall and phytohormone signaling to shape host responses in a sorghum COMT bmr12 mutant. Biomed Central (BMC) Plant Biology. 21:391. https://doi.org/10.1186/s12870-021-03149-5.
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Field evaluation of sorghum (Sorghum bicolor) lines that overexpress two monolignol-related genes that alter cell wall composition
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Tetreault, H.M., Oneill, P.M., Toy, J.J., Gries, T.L., Funnell-Harris, D.L., Sattler, S.E. 2020. Field evaluation of sorghum (Sorghum bicolor) lines that overexpress two monolignol-related genes that alter cell wall composition. BioEnergy Research. 13(4)Available:https://link.springer.com/article/10.1007/s12155-020-10218-4. https://doi.org/10.1007/s12155-020-10218-4.
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Association of post-flowering non-senescence (stay-green) and dhurrin levels in response to stalk rot pathogens in sorghum bicolor
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Funnell-Harris, D.L., Sattler, S.E., Oneill, P.M., Bernhardson, L.F., Kilts, M., Khasin, M. 2020. Association of post-flowering non-senescence (stay-green) and dhurrin levels in response to stalk rot pathogens in sorghum bicolor. [abstract]. Plant Health 2020 (virtual). Accepted poster.
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Response of sorghum enhanced in monolignol biosynthesis to stalk pathogens
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Funnell-Harris, D.L., Sattler, S.E., O'Neill, P.M., Gries, T.L., Tetreault, H.M., Clemente, T.E. 2019. Response of sorghum enhanced in monolignol biosynthesis to stalk pathogens. Plant Disease. 103(9):2277-2287. https://doi.org/10.1094/PDIS-09-18-1622-RE.
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Amylose-free (“waxy”) wheat colonization by fusarium spp. and response to fusarium head blight
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Funnell-Harris, D.L., Graybosch, R.A., O'Neill, P.M., Duray, Z.T., Wegulo, S.N. 2019. Amylose-free (“waxy”) wheat colonization by fusarium spp. and response to fusarium head blight. Plant Disease. 103(5):972-983. https://doi.org/10.1094/PDIS-05-18-0726-RE.
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Field response of near-isogenic brown midrib sorghum lines to Fusarium thapsinum and effects of controlled water deficit on stalk rot disease
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Funnell-Harris, D.L., Oneill, P.M., Sattler, S.E. 2018. Field response of near-isogenic brown midrib sorghum lines to Fusarium thapsinum and effects of controlled water deficit on stalk rot disease. International Congress of Plant Pathology Abstracts and Proceedings. [abstract].In: Proceedings of International Congress of Plant Pathology, International Society for Plant Pathology/American Phytopathology Society, July 29-August 30, 2018, Boston, MA.
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Field response of near-isogenic brown midrib sorghum lines
to fusarium stalk rot, and response of wildtype lines to
controlled water deficit
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Funnell-Harris, D.L., Oneill, P.M., Sattler, S.E. 2018. Field response of near-isogenic brown midrib sorghum lines to fusarium stalk rot, and response of wildtype lines to controlled water deficit. Plant Pathology. 67:1474-1482. https://doi.org/10.1111/ppa.12863.
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Resistance to stalk pathogens for bioenergy sorghum
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Funnell-Harris, D.L., Oneill, P.M., Sattler, S.E., Khasin, M., Scully, E.D. 2018. Resistance to stalk pathogens for bioenergy sorghum. Meeting Abstract. [abstract]. In: Proceedings of 2018 Genomic Sciences Program Annual Principal Investigator (PI) Metting, U.S. Department of Energy, February 25-28,2018 Tysons, Virginia.
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Differences in fusarium species in brown midrib sorghum and in air populations in production fields
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Funnell-Harris, D.L., Scully, E.D., Sattler, S.E., French, R.C., ONeill, P.M., Pedersen, J.F. 2017. Differences in fusarium species in brown midrib sorghum and in air populations in production fields. Phytopathology. 107(11):1353-1363. https://doi.org/10.1094/PHYTO-08-16-3016-R.
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Response of sorghum stalk pathogens to brown midrib plants and soluble phenolic extracts from near isogenic lines
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Funnell-Harris, D.L., O'Neill, P.M., Sattler, S.E., Gries, T.L., Berhow, M.A., Pedersen, J.F. 2017. Response of sorghum stalk pathogens to brown midrib plants and soluble phenolic extracts from near isogenic lines. European Journal of Plant Pathology. 148(4):941-953. doi:10.1007/s10658-017-1148-2.
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Response of sweet sorghum lines to stalk pathogens fusarium thapsinum and macrophomina phaseolina
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Funnell-Harris, D.L., Oneill, P.M., Sattler, S.E. 2016. Response of sweet sorghum lines to stalk pathogens fusarium thapsinum and macrophomina phaseolina. American Phytopathological Society Annual Meeting. [abstract] American Phytopathological Society.
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Response of sweet sorghum lines to stalk pathogens Fusarium thapsinum and Macrophomina phaseolina
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Funnell-Harris, D.L., Oneill, P.M., Sattler, S.E., Yerka, M.K. 2016. Response of sweet sorghum lines to stalk pathogens Fusarium thapsinum and Macrophomina phaseolina. Plant Disease. 100:896-903.
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Effect of waxy (low amylose) on fungal infection of sorghum grain
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Funnell-Harris, D.L., Sattler, S.E., Oneill, P.M., Eskridge, K.M. 2015. Effect of waxy (low amylose) on fungal infection of sorghum grain. American Phytopathological Society Annual Meeting. 76-0.
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Effect of waxy (low amylose) on fungal infection of sorghum grain
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Funnell-Harris, D.L., Sattler, S.E., O'neill, P.M., Eskridge, K.M., Pedersen, J.F. 2015. Effect of waxy (low amylose) on fungal infection of sorghum grain. Phytopathology 105: 786-796. DOI: 10.1094/PHYTO-09-14-0255-R.
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USE OF CHLOROPHYLL FLUORESCENCE ASSESSMENTS TO DIFFERENTIATE CORN HYBRID RESPONSE TO VARIABLE WATER CONDITIONS
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Oneill, P.M., Shanahan, J.F., Schepers, J.S. 2006. Use of chlorophyll fluorescence assessments to differentiate corn hybrid response to variable water conditions. Crop Science 46:681-687.
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AGRONOMIC RESPONSES OF CORN HYBRIDS FROM DIFFERENT ERAS TO DEFICIT AND ADEQUATE LEVELS OF WATER AND NITROGEN
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Oneill, P.M., Shanahan, J.F., Schepers, J.S., Caldwell, R. 2004. Agronomic responses of corn hybrids from different eras to deficit and adequate levels of water and nitrogen. Agronomy Journal 96:1660-1667.
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CHLOROPHYLL FLUORESCENCE ANALYSIS OF MAIZE UNDER DROUGHT AND NITROGEN STRESS CONDITIONS
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Duraes, F., Shanahan, J.F., Russell, W.K., Oneill, P.M., Magalhaes, P.C., Oliveira, A.C. 2003. Chlorophyll fluorescence analysis of maize under drought and nitrogen stress conditions. Agronomy Abstracts. #457971. CDROM
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USE OF CHLOROPHYLL FLUORESCENCE TO CHARACTERIZE WATER AND N STRESS RESPONSE IN MAIZE HYBRIDS
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Oneill, P.M., Shanahan, J.F., Caldwell, R.M. 2003. Use of chlorophyll fluorescence to characterize water and n stress response in maize hybrids. Agronomy Abstracts. #675817
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