Phylogeography of Asian wild rice, Oryza rufipogon, reveals multiple independent domestications of cultivated rice, Oryza sativa

Jason P. Londo, Yu Chung Chiang, Kuo Hsiang Hung, Tzen Yuh Chiang, Barbara A. Schaal

研究成果: Article同行評審

446 引文 斯高帕斯(Scopus)

摘要

Cultivated rice, Oryza sativa L., represents the world's most important staple food crop, feeding more than half of the human population. Despite this essential role in world agriculture, the history of cultivated rice's domestication from its wild ancestor, Oryza rufipogon, remains unclear. In this study, DNA sequence variation in three gene regions is examined in a phylogeographic approach to investigate the domestication of cultivated rice. Results indicate that India and Indochina may represent the ancestral center of diversity for O. rufipogon. Additionally, the data suggest that cultivated rice was domesticated at least twice from different O. rufipogon populations and that the products of these two independent domestication events are the two major rice varieties, Oryza sativa indica and Oryza sativa japonica. Based on this geographical analysis, O. sativa indica was domesticated within a region south of the Himalaya mountain range, likely eastern India, Myanmar, and Thailand, whereas O. sativa japonica was domesticated from wild rice in southern China.

原文English
頁(從 - 到)9578-9583
頁數6
期刊Proceedings of the National Academy of Sciences of the United States of America
103
發行號25
DOIs
出版狀態Published - 2006 六月 20

All Science Journal Classification (ASJC) codes

  • General

指紋 深入研究「Phylogeography of Asian wild rice, Oryza rufipogon, reveals multiple independent domestications of cultivated rice, Oryza sativa」主題。共同形成了獨特的指紋。

引用此