Tibet is one of the centers of domestication of cultivated barley

被引：199

作者：

Dai, Fei ^{[2
]}

Nevo, Eviatar ^{[1
]}

Wu, Dezhi ^{[2
]}

Comadran, Jordi ^{[3
]}

Zhou, Meixue ^{[4
]}

Qiu, Long ^{[2
]}

Chen, Zhonghua ^{[5
]}

Beiles, Avigdor ^{[1
]}

Chen, Guoxiong ^{[6
]}

Zhang, Guoping ^{[2
]}

机构：

[1] Univ Haifa, Inst Evolut, IL-31905 Haifa, Israel

[2] Zhejiang Univ, Zhejiang Key Lab Crop Germplasm, Dept Agron, Hangzhou 310058, Zhejiang, Peoples R China

[3] James Hutton Inst, Dundee DD2 5DA, Scotland

[4] Univ Tasmania, Tasmanian Inst Agr Res, Kings Meadows, Tas 7249, Australia

[5] Univ Western Sydney, Sch Sci & Hlth, Richmond, NSW 2753, Australia

[6] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2012年 / 109卷 / 42期

基金：

浙江省自然科学基金;

关键词：

adaptation; evolution; harsh environment; ARRAYS TECHNOLOGY DART; WILD BARLEY; HORDEUM-SPONTANEUM; GENETIC DIVERSITY; BRITTLE RACHIS; 6-ROWED BARLEY; EVOLUTION; POPULATION; ORIGIN; EAST;

D O I：

10.1073/pnas.1215265109

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The Near East Fertile Crescent is well recognized as a primary center of barley origin, diversity, and domestication. A large number of wild barleys have been collected from the Tibetan Plateau, which is characterized by an extreme environment. We used genome-wide diversity array technology markers to analyze the genotypic division between wild barley from the Near East and Tibet. Our results confirmed the existence of Tibetan wild barley and suggested that the split between the wild barleys in the Near East and those in Tibet occurred around 2.76 million years ago (Mya). To test the concept of polyphyletic domestication of barley, we characterized a set of worldwide cultivated barley. Some Chinese hulless and six-rowed barleys showed a close relationship with Tibetan wild barley but showed no common ancestor with other cultivated barley. Our data support the concept of polyphyletic domestication of cultivated barley and indicate that the Tibetan Plateau and its vicinity is one of the centers of domestication of cultivated barley. The current results may be highly significant in exploring the elite germplasm for barley breeding, especially against cold and drought stresses.

引用

页码：16969 / 16973

页数：5

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