Variation among 532 genomes unveils the origin and evolutionary history of a global insect herbivore
文献类型： 外文期刊
作者： You, Minsheng 1 ; Ke, Fushi 1 ; You, Shijun 1 ; Wu, Zhangyan 4 ; Liu, Qingfeng 4 ; He, Weiyi 1 ; Baxter, Simon W. 1 ; Yuc 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Inst Appl Ecol, State Key Lab Ecol Pest Control Fujian & Taiwan C, Fuzhou 350002, Peoples R China
2.Minist Educ, Joint Int Res Lab Ecol Pest Control, Fuzhou 350002, Peoples R China
3.Univ British Columbia, Dept Bot, Vancouver, BC V6T 1Z4, Canada
4.BGI Shenzhen, BGI Genom, Shenzhen 518083, Peoples R China
5.Univ Melbourne, Sch BioSci, Melbourne, Vic 3010, Australia
6.Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn, Sch Pharmaceut Sci & Technol, Tianjin Key Lab Modern Drug Delivery & High Effic, Tianjin 300072, Peoples R China
7.Brock Univ, Dept Biol Sci, 1812 Sir Isaac Brock Way, St Catharines, ON L2S 3A1, Canada
8.Charles Sturt Univ, Graham Ctr, Orange, NSW 2800, Australia
9.Univ Adelaide, Sch Biol Sci, Adelaide, SA, Australia
10.Inst Super Formac Docente Salome Urena ISFODOSU, Carretera Duarte,Km 10 1-2, Municipio De Licey Medio, Provincia De Sa, Dominican Rep
11.Univ British Columbia, Fac Land & Food Syst, Vancouver, BC V6T 1Z4, Canada
12.Agr & Agri Food Canada, Lethbridge Res Ctr, Lethbridge, AB, Canada
13.Univ Missouri, Div Plant Sci, Columbia, MO 65211 USA
14.Minist Primary Ind, Plant Hlth & Environm Lab, Auckland, New Zealand
15.Dalhousie Univ, Fac Agr, Dept Plant Food & Environm Sci, POB 550, Truro, NS B2N 5E3, Canada
16.Nat Hist Museum, Cromwell Rd, London SW7 5BD, England
17.Fujian Acad Agr Sci, Inst Plant Protect, Fuzhou 350003, Peoples R China
18.BGI Shenzhen, Shenzhen 518083, Peoples R China
19.James D Watson Inst Genome Sci, Hangzhou 310058, Peoples R China
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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