Genome sequences of wild and landrace tepary bean provide insight into evolution and domestication under heat stress

Authors: MAFIMOGHADDAM, SAMIRA - Michigan State University; OLADZAD, ATENA - North Dakota State University; KOH, CHUSHIN - University Of Saskatchewan; RAMSAY, LARISSA - University Of Saskatchewan; Hart, John; MAMIDI, SUJAN - Hudsonalpha Institute For Biotechnology; HOOPES, GENEVIEVE - Michigan State University; SREEDASYAM, AVINASH - Hudsonalpha Institute For Biotechnology; WIERSMA, ANDREW - Michigan State University; GRIMWOOD, JANE - Hudsonalpha Institute For Biotechnology; HAMILTON, JOHN - Michigan State University; JENKINS, JERRY - Hudsonalpha Institute For Biotechnology; VAILLANCOURT, BRIEANNE - Michigan State University; WOOD, JOSHUA - Michigan State University; ROKHSAR, DANIEL - Department Of Energy Joint Genome; SCHMUTZ, JEREMY - Hudsonalpha Institute For Biotechnology; KAGALE, SATEESH - National Research Council - Canada; Porch, Timothy - Tim; BETT, KIRSTIN - University Of Saskatchewan; BUELL, ROBIN - Michigan State University; MCCLEAN, PHILLIP - North Dakota State University

Submitted to: Nature Genetics
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 1/7/2021
Publication Date: 5/11/2021
Citation: Mafimoghaddam, S., Oladzad, A., Koh, C., Ramsay, L., Hart, J.P., Mamidi, S., Hoopes, G., Sreedasyam, A., Wiersma, A., Grimwood, J., Hamilton, J.P., Jenkins, J., Vaillancourt, B., Wood, J., Rokhsar, D., Schmutz, J., Kagale, S., Porch, T.G., Bett, K.E., Buell, R., Mcclean, P.E. 2021. Genome sequences of wild and landrace tepary bean provide insight into evolution and domestication under heat stress. Nature Genetics. 12:2638.
DOI: https://doi.org/10.1038/s41467-021-22858-x

Interpretive Summary: Tepary bean is native to the Sonoran Desert and is highly adapted to heat and drought. It is a sister species to common bean, the most important legume protein source for direct human consumption, whose production is threatened by climate change. Comparison of wild and landrace tepary genomes revealed novel mechanisms for its resilience including a reduced repertoire of disease resistance genes, consistent with its adaptation to arid, hot environments. As a reservoir of adapted traits, the collinearity and shared gene repertoire in these Phaseolus species will facilitate engineering climate adaptation in common bean, a key food security crop.

Technical Abstract: Tepary bean (Phaseolus acutifolis A. Gray), native to the Sonoran Desert, is highly adapted to heat and drought. It is a sister species to common bean (Phaseolus vulgaris L.), the most important protein source for human consumption, for which production is threatened by climate change. Comparison of wild and landrace tepary genomes revealed novel mechanisms for its resilience including a reduced repertoire of disease resistance genes, consistent with its adaptation to arid, hot environments. As a reservoir of adapted traits, collinearity and shared gene repertoire in these Phaseolus species will facilitate engineering climate adaptation in common bean, a key food security crop.