Transcriptome profiling reveals mosaic genomic origins of modern cultivated barley

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  • Fei Dai
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Zhong-Hua Chen
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Xiaolei Wang
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Zefeng Li
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Gulei Jin
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Dezhi Wu
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Shengguan Cai
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Ning Wang
    Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan; and
  • Feibo Wu
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • Eviatar Nevo
    Institute of Evolution, University of Haifa, Mount Carmel, Haifa 31905, Israel
  • Guoping Zhang
    Department of Agronomy, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China;
  • School of Science and Health (Host institution)

書誌事項

公開日
2014-09-02
DOI
  • 10.1073/pnas.1414335111
公開者
Proceedings of the National Academy of Sciences

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<jats:title>Significance</jats:title> <jats:p>Archaeological, historic, and molecular studies have indicated that the Fertile Crescent in the Near East is a major center of origin and domestication of cultivated barley. However, growing evidence in recent years supports the theory of a polyphyletic origin of barley. To our knowledge, this is the first attempt using RNA sequencing techniques and genomic similarity analysis to study the domestication of barley. We confirmed the polyphyletic origin of cultivated barley and our results revealed the genomic origin of modern cultivated barley is from both the Near East and Tibet, with different contributions on each chromosome. These findings advance our understanding of the early spread of agrarian culture, and are expected to be of wide interest to evolutionary geneticists and plant breeders.</jats:p>

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