同时测Gossypium hirsutum基因组。

在Nature Biotechnology上同时在线。 两个国内单位作为第一单位完成，背后分别是华大和诺和。

Gossypium hirsutum是异源4倍体，由祖先的Gossypium  raimondii 和Gossypium arboreum杂交而来，大概在5百万年形成的，见下图，来自第一篇研究工作。

棉花的祖先本身有一个基因组重复，如果加上这个重复，Gossypium hirsutum就是8倍体，就是相对于核心真双子叶祖先。

这么近期的异源四倍体几乎没有被测过，其很有意义，比如研究异源4倍体，基因是如何变化，表达是如何变化的。

1. Research | 20 April 2015Genome sequence of cultivated Upland cotton (Gossypium hirsutum TM-1) provides insights into genome evolution OPEN AOP

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   Two draft sequences of Gossypium hirsutum, the most widely cultivated cotton species, provide insights into genome structure, genome rearrangement, gene evolution and cotton fiber biology.

   
   

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   Two draft sequences of Gossypium hirsutum, the most widely cultivated cotton species, provide insights into genome structure, genome rearrangement, gene evolution and cotton fiber biology.