Polyploid evolution in Oryza officinalis complex of the genus Oryza |
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| Authors: | Baosheng Wang Zhuoya Ding Wei Liu Jin Pan Changbao Li Song Ge Daming Zhang |
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| Affiliation: | (1) State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, the Chinese Academy of Sciences, 100093 Beijing, PR, China;(2) Graduate University of the Chinese Academy of Sciences, Beijing, 100039, PR, China |
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| Abstract: | Background Polyploidization is a prominent process in plant evolution, whereas the mechanism and tempo-spatial process remained poorly understood. Oryza officinalis complex, a polyploid complex in the genus Oryza, could exemplify the issues not only for it covering a variety of ploidy levels, but also for the pantropical geographic pattern of its polyploids in Asia, Africa, Australia and Americas, in which a pivotal genome, the C-genome, witnessed all the polyploidization process. |
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