Genomic patterns of nucleotide diversity in divergent populations of U.S. weedy rice |
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| Authors: | Michael Reagon Carrie S Thurber Briana L Gross Kenneth M Olsen Yulin Jia Ana L Caicedo |
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| Institution: | (1) Biology Department, University of Massachusetts, 01003 Amherst, MA, USA;(2) Department of Biology, Washington University, 63130 St. Louis, MO, USA;(3) USDA-ARS Dale Bumpers National Rice Research Center, 72160 Stuttgart, AR, USA |
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| Abstract: | Background Weedy rice (red rice), a conspecific weed of cultivated rice (Oryza sativa L.), is a significant problem throughout the world and an emerging threat in regions where it was previously absent. Despite
belonging to the same species complex as domesticated rice and its wild relatives, the evolutionary origins of weedy rice
remain unclear. We use genome-wide patterns of single nucleotide polymorphism (SNP) variation in a broad geographic sample
of weedy, domesticated, and wild Oryza samples to infer the origin and demographic processes influencing U.S. weedy rice evolution. |
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