Population genomics of Agrotis segetum provide insights into the local adaptive evolution of agricultural pests
文献类型： 外文期刊
作者： Wang P.;Jin M.;Wu C.;Peng Y.;He Y.;Wang H.;Xiao Y.
作者机构：
关键词： （1-1-1）Agrotis segetum;Evolution;Local adaptation;Population genomics
期刊名称： BMC Biology
ISSN： 1741-7007
年卷期： 2024 年 22 卷 1 期
页码：
收录情况： SCIE（2024版）
摘要： Background: The adaptive mechanisms of agricultural pests are the key to understanding the evolution of the pests and to developing new control strategies. However, there are few studies on the genetic basis of adaptations of agricultural pests. The turnip moth, Agrotis segetum (Lepidoptera: Noctuidae) is an important underground pest that affects a wide range of host plants and has a strong capacity to adapt to new environments. It is thus a good model for studying the adaptive evolution of pest species. Results: We assembled a high-quality reference genome of A. segetum using PacBio reads. Then, we constructed a variation map of A. segetum by resequencing 98 individuals collected from six natural populations in China. The analysis of the population structure showed that all individuals were divided into four well-differentiated populations, corresponding to their geographical distribution. Selective sweep analysis and environmental association studies showed that candidate genes associated with local adaptation were functionally correlated with detoxification metabolism and glucose metabolism. Conclusions: Our study of A. segetum has provided insights into the genetic mechanisms of local adaptation and evolution; it has also produced genetic resources for developing new pest management strategies. © The Author(s) 2024.
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