Variation among 532 genomes unveils the origin and evolutionary history of a global insect herbivore

文献类型： 外文期刊

第一作者： You, Minsheng

作者： You, Minsheng;Ke, Fushi;You, Shijun;He, Weiyi;Baxter, Simon W.;Yuchi, Zhiguang;Vasseur, Liette;Gurr, Geoff M.;Cerda, Hugo;Yang, Guang;Peng, Lu;Xie, Miao;Cai, Lijun;Douglas, Carl J.;Goettel, Mark S.;Song, Qisheng;Fan, Qinghai;Wang-Pruski, Gefu;Bai, Jianlin;Liu, Tiansheng;Lin, Lianyun;Zheng, Yunkai;Zeng, Zhaohua;Lin, Sheng;Wang, Yue;Zhao, Qian;Xia, Xiaofeng;Chen, Wenbin;Chen, Lilin;Zou, Mingmin;Liao, Jinying;Han, Liwei;Lin, Yingjun;Lu, Yanping;Zhuang, Mousheng;You, Minsheng;Ke, Fushi;You, Shijun;He, Weiyi;Baxter, Simon W.;Vasseur, Liette;Gurr, Geoff M.;Cerda, Hugo;Yang, Guang;Peng, Lu;Xie, Miao;Cai, Lijun;Douglas, Carl J.;Goettel, Mark S.;Song, Qisheng;Fan, Qinghai;Wang-Pruski, Gefu;Bai, Jianlin;Liu, Tiansheng;Zheng, Yunkai;Lin, Sheng;Wang, Yue;Zhao, Qian;Xia, Xiaofeng;Chen, Wenbin;Chen, Lilin;Zou, Mingmin;Liao, Jinying;Han, Liwei;Lin, Yingjun;Lu, Yanping;Zhuang, Mousheng;You, Shijun;Douglas, Carl J.;Wu, Zhangyan;Liu, Qingfeng;Jin, Yuanchun;Yue, Zhen;Gao, Qiang;Fang, Xiaodong;Yin, Ye;Yang, Huanming;Wang, Jian;Baxter, Simon W.;Lin, Lianyun;Yuchi, Zhiguang;Vasseur, Liette;Gurr, Geoff M.;Ward, Christopher M.;Cerda, Hugo;Isman, Murray B.;Goettel, Mark S.;Song, Qisheng;Fan, Qinghai;Wang-Pruski, Gefu;Lees, David C.;Zeng, Zhaohua;Yang, Huanming;Wang, Jian;Yang, Huanming;Wang, Jian

作者机构：

期刊名称：NATURE COMMUNICATIONS （ 影响因子：14.919； 五年影响因子：15.805 ）

ISSN： 2041-1723

年卷期： 2020 年 11 卷 1 期

页码：

收录情况： SCI

摘要： The diamondback moth, Plutella xylostella is a cosmopolitan pest that has evolved resistance to all classes of insecticide, and costs the world economy an estimated US $4-5 billion annually. We analyse patterns of variation among 532P. xylostella genomes, representing a worldwide sample of 114 populations. We find evidence that suggests South America is the geographical area of origin of this species, challenging earlier hypotheses of an Old-World origin. Our analysis indicates that Plutella xylostella has experienced three major expansions across the world, mainly facilitated by European colonization and global trade. We identify genomic signatures of selection in genes related to metabolic and signaling pathways that could be evidence of environmental adaptation. This evolutionary history of P. xylostella provides insights into transoceanic movements that have enabled it to become a worldwide pest. The diamondback moth, Plutella xylostella is a cosmopolitan agricultural pest. By analyzing 532 genomes from 114 populations around the world, the authors find evidence supporting a South American origin of this moth, and look for signatures of positive selection.

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