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ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Sustainable Perennial Crops Laboratory » People & Locations » Stephen Cohen
Stephen P Cohen
Sustainable Perennial Crops Laboratory
Research Geneticist (Plants)

Phone: (301) 504-5101
Fax: (301) 504-1998

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)

Projects
Development of Pathogen- and Plant-Based Genetic Tools and Disease Mitigation Methods for Tropical Perennial Crops
In-House Appropriated (D)
  Accession Number: 441868
Genotypic Characterization of Genetic Resources for Cacao, Coffee, and Other Tropical Perennial Crops Economically Important to the United States
In-House Appropriated (D)
  Accession Number: 444058
Genomics of Asimini Triloba, the American Pawpaw
Non-Assistance Cooperative Agreement (S)
  Accession Number: 443004
Metabolomic Analysis of Various Theobroma Cacao Diseases
Non-Assistance Cooperative Agreement (S)
  Accession Number: 437995
Quarantine, Germplasm Acquisition/Maintenance, Phytopathology Studies and Clone Evaluation of Theobroma Cacao
Trust Fund Cooperative Agreement (T)
  Accession Number: 438157

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
A draft genome for a cacao thread blight-causing isolate of Paramarasmius palmivorus - (Peer Reviewed Journal)
Draft hybrid genome sequence of phytopathogen Marasmius tenuissimus strain MS-2, isolated from cacao in Ghana Reprint Icon - (Peer Reviewed Journal)
Yulfo-Soto, G.E., Baruah, I., Amoaka-Attah, I., Bukari, Y., Meinhardt, L.W., Bailey, B., Cohen, S.P. 2024. Draft hybrid genome sequence of phytopathogen Marasmius tenuissimus strain MS-2, isolated from cacao in Ghana. Microbiology Resource Announcements. https://doi.org/10.1128/mra.00714-24.
A draft genome resource for the cacao thread blight-causing fungal pathogen Marasmiellus scandens Reprint Icon - (Peer Reviewed Journal)
Baruah, I., Leung, J., Amoaka-Attah, I., Bukari, Y., Meinhardt, L.W., Bailey, B., Cohen, S.P. 2024. A draft genome resource for the cacao thread blight-causing fungal pathogen Marasmiellus scandens. PhytoFrontiers. https://doi.org/10.1094/PHYTOFR-06-24-0065-A.
Three de novo assembled wild cacao genomes from Upper Amazon reveal new insights into an early divergence of chocolate trees Reprint Icon - (Peer Reviewed Journal)
Nousias, O., Zheng, J., Li, T., Meinhardt, L.W., Bailey, B.A., Gutierrez, O.A., Cohen, S.P., Zhang, D., Yin, Y. 2024. Three de novo assembled wild cacao genomes from Upper Amazon reveal new insights into an early divergence of chocolate trees. Scientific Data. https://doi.org/10.1038/s41597-024-03215-1.
Transcriptome profiling identifies gene expression patterns and promoter motifs associated with post-penetration resistance to Phytophthora palmivora in pods of Theobroma cacao genotypes Reprint Icon - (Peer Reviewed Journal)
Baruah, I., Shao, J.Y., Ali, S., Schmidt, M.E., Meinhardt, L.W., Bailey, B.A., Cohen, S.P. 2024. Transcriptome profiling identifies gene expression patterns and promoter motifs associated with post-penetration resistance to Phytophthora palmivora in pods of Theobroma cacao genotypes. Scientific Reports. 14:4175(2024). https://doi.org/10.1038/s41598-024-54355-8.
Clonal Propagation of Moniliophthora roreri and the emergence of unique lineages with distinct genomes during range expansion Reprint Icon - (Peer Reviewed Journal)
Minio, A., Ali, S., Cohen, S.P., Figueroa-Balderas, R., Carriel, D., Dahyana, B., Conrad Stack, J., Baruah, I., Jean-Philippe, M., Cantu, D., Bailey, B.A. 2023. Clonal Propagation of Moniliophthora roreri and the emergence of unique lineages with distinct genomes during range expansion. Genes, Genomes, and Genomics. https://doi.org/10.1093/g3journal/jkad125.
Comparative RNA-seq analysis of resistant and susceptible Theobroma cacao fruits in response to infection with frosty pod pathogen (Moniliophthora roreri) Reprint Icon - (Peer Reviewed Journal)
Puig, A.S., Cohen, S.P., Koch Bach, R.A., Arciniegas Leal, A., Gutierrez, O.A., Bailey, B.A. 2023. Comparative RNA-seq analysis of resistant and susceptible Theobroma cacao fruits in response to infection with frosty pod pathogen (Moniliophthora roreri). PhytoFrontiers. https://doi.org/10.1094/PHYTOFR-09-22-0101-R.
A draft genome resource for Marasmius tenuissimus, an emerging causal agent of thread blight disease in cacao Reprint Icon - (Peer Reviewed Journal)
Leung, J., Cohen, S.P., Baruah, I., Ali, S., Shao, J.Y., Bukari, Y., Amoako-Attah, I., Meinhardt, L.W., Bailey, B.A. 2023. A draft genome resource for Marasmius tenuissimus, an emerging causal agent of thread blight disease in cacao. PhytoFrontiers. https://doi.org/10.1094/PHYTOFR-03-23-0027-A.
A new hundred-genomes pipeline enables rapid duplex LAMP detection of two bacterial spot pathogens Reprint Icon - (Peer Reviewed Journal)
Beran, P., Stehlikova, D., Cohen, S.P., Rost, M., Beranova, K., Curn, V. 2022. A new hundred-genomes pipeline enables rapid duplex LAMP detection of two bacterial spot pathogens. Plant Disease. https://doi.org/10.1094/PDIS-05-22-1098-RE.
USA Tea: A synopsis of ongoing tea research and USA production issues Reprint Icon - (Review Article)
D'Auria, J.C., Cohen, S.P., Leung, J., Glockzin, K., Glockzin, K., Gervay-Hague, J., Zhang, D., Meinhardt, L.W. 2022. USA Tea: A synopsis of ongoing tea research and USA production issues. Frontiers in Plant Science. 13:934651. https://doi.org/10.3389/fpls.2022.934651.