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Tibet is one of the centers of domestication of cultivated barley
Citation
Dai, F and Nevo, E and Wu, D and Comadran, J and Zhou, M and Qui, L and Chen, Z and Beiles, A and Chen, G and Zang, G, Tibet is one of the centers of domestication of cultivated barley, PNAS, 109, (42) pp. 16969-16973. ISSN 0027-8424 (2012) [Refereed Article]
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Copyright Statement
Copyright 2012 Natonal Academy of Sciences
DOI: doi:10.1073/pnas.1215265109
Abstract
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.
Item Details
Item Type: | Refereed Article |
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Keywords: | Tibet, barley, adaptation, evolution, harsh environment |
Research Division: | Agricultural, Veterinary and Food Sciences |
Research Group: | Crop and pasture production |
Research Field: | Crop and pasture improvement (incl. selection and breeding) |
Objective Division: | Plant Production and Plant Primary Products |
Objective Group: | Grains and seeds |
Objective Field: | Barley |
UTAS Author: | Zhou, M (Professor Meixue Zhou) |
ID Code: | 79806 |
Year Published: | 2012 |
Web of Science® Times Cited: | 129 |
Deposited By: | Agricultural Science |
Deposited On: | 2012-10-04 |
Last Modified: | 2013-05-14 |
Downloads: | 0 |
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