Population genetic structure of Culex tritaeniorhynchus in different types of climatic zones in China

Autor: Ye Zhang, Haifang Wang, Jun Du, Yandong Wang, Chuanhui Zang, Peng Cheng, Lijuan Liu, Chongxing Zhang, Ziwei Lou, Jingjing Lei, Jiahui Wu, Maoqing Gong, Hongmei Liu
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: BMC Genomics, Vol 25, Iss 1, Pp 1-13 (2024)
Druh dokumentu: article
ISSN: 1471-2164
DOI: 10.1186/s12864-024-10589-4
Popis: Abstract Background Culex tritaeniorhynchus is widely distributed in China, from Hainan Island in the south to Heilongjiang in the north, covering tropical, subtropical, and temperate climate zones. Culex tritaeniorhynchus carries 19 types of arboviruses. It is the main vector of the Japanese encephalitis virus (JEV), posing a serious threat to human health. Understanding the effects of environmental factors on Culex tritaeniorhynchus can provide important insights into its population structure or isolation patterns, which is currently unclear. Results In total, 138 COI haplotypes were detected in the 552 amplified sequences, and the haplotype diversity (Hd) value increased from temperate (0.534) to tropical (0.979) regions. The haplotype phylogeny analysis revealed that the haplotypes were divided into two high-support evolutionary branches. Temperate populations were predominantly distributed in evolutionary branch II, showing some genetic isolation from tropical/subtropical populations and less gene flow between groups. The neutral test results of HNQH (Qionghai) and HNHK(Haikou) populations were negative (P
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