作者
Jeanmaire Molina, Martin Sikora, Nandita Garud, Jonathan M Flowers, Samara Rubinstein, Andy Reynolds, Pu Huang, Scott Jackson, Barbara A Schaal, Carlos D Bustamante, Adam R Boyko, Michael D Purugganan
发表日期
2011/5/17
期刊
Proceedings of the National Academy of Sciences
卷号
108
期号
20
页码范围
8351-8356
出版商
National Academy of Sciences
简介
Asian rice, Oryza sativa, is one of world's oldest and most important crop species. Rice is believed to have been domesticated ∼9,000 y ago, although debate on its origin remains contentious. A single-origin model suggests that two main subspecies of Asian rice, indica and japonica, were domesticated from the wild rice O. rufipogon. In contrast, the multiple independent domestication model proposes that these two major rice types were domesticated separately and in different parts of the species range of wild rice. This latter view has gained much support from the observation of strong genetic differentiation between indica and japonica as well as several phylogenetic studies of rice domestication. We reexamine the evolutionary history of domesticated rice by resequencing 630 gene fragments on chromosomes 8, 10, and 12 from a diverse set of wild and domesticated rice accessions. Using patterns of SNPs, we …
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J Molina, M Sikora, N Garud, JM Flowers, S Rubinstein… - Proceedings of the National Academy of Sciences, 2011