Lack of Genetic Structure Among Populations of Striped Flea Beetle Phyllotreta striolata (Coleoptera: Chrysomelidae) Across Southern China

文献类型： 外文期刊

第一作者： Li, Qian

作者： Li, Qian;Li, Guang-Mei;Zheng, Yong-Li;Wei, Shu-Jun

作者机构：

关键词： Phyllotreta striolata; southern China; population genetic structure; microsatellite; mitochondrial gene

期刊名称：FRONTIERS IN ECOLOGY AND EVOLUTION （ 影响因子：4.493； 五年影响因子：4.648 ）

ISSN： 2296-701X

年卷期： 2022 年 9 卷

页码：

收录情况： SCI

摘要： The striped flea beetle (SFB) Phyllotreta striolata (Fabricius) (Coleoptera: Chrysomelidae) is a major pest of cruciferous vegetables in southern China. The population diversity and genetic structure of SFB are unknown. Here, we assembled a draft genome for the SFB and characterized the distribution of microsatellites. Then, we developed 12 novel microsatellite markers across the genome. We used a segment of the cox1 gene and newly developed microsatellite markers to genotype the genetic diversity of SFB across southern China. There were 44 mitochondrial haplotypes in the SFB populations, with haplotype 2 as the most widespread. The population genetic differentiation was very low, indicated by F-ST-values (cox1), high gene flow (4.10 and 44.88 of cox1 and microsatellite, respectively) and Principal Coordinate Analysis across all populations. Mantel test showed genetic distance in SFB was significantly associated with geographic distance based on microsatellites (R-2 = 0.2373, P = 0.014) while result based on cox1 (R-2 = 0.0365, P = 0.155) showed no significant difference. The phylogenetic analysis did not find any geographically related clades among all haplotypes. Analyses based on microsatellites showed a lack of population genetic structure among all populations. Our study provides a foundation for the future understanding of the ecology and evolution of SFB and its management.

分类号：

  • 相关文献
作者其他论文 更多>>

微信小程序