马来西亚半岛白纹伊蚊（双翅目：蚊科）的线粒体多样性。

Mitochondrial Diversity of the Asian Tiger Mosquito Aedes albopictus (Diptera: Culicidae) in Peninsular Malaysia.

机构信息

Biological Security and Sustainability (BioSES) Research Interest Group, Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia.

Institute of Marine Biotechnology, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia.

出版信息

J Med Entomol. 2022 May 11;59(3):865-873. doi: 10.1093/jme/tjac014.

DOI:10.1093/jme/tjac014

PMID:35178576

Abstract

Aedes albopictus is one of the main mosquito vectors responsible for transmitting arboviruses to humans and animals. The ability of this mosquito to support virus transmission has been linked to vector competence, which is partly attributed to the genetic disparities in Ae. albopictus population. At present, little is known about the biologically important traits of Ae. albopictus in Malaysia. Thus, the study aims to determine the genetic variation of Ae. albopictus based on the mitochondria-encoded sequences of cytochrome oxidase subunit I (COI). A statistical parsimony network of 253 taxa aligned as 321 characters of the COI gene revealed 42 haplotypes (H1-H42), of which H1 was the most widespread haplotype in Peninsular Malaysia. Three highly divergent haplotypes (H21, H30, and H31) were detected from the northern population. Overall, haplotype and nucleotide diversities were 0.576 and 0.003, respectively, with low genetic differentiation (FST = 0.039) and high gene flow (Nm = 12.21) across all populations.

摘要

白纹伊蚊是主要的蚊媒之一，可将病毒传播给人类和动物。这种蚊子传播病毒的能力与其媒介效能有关，而媒介效能部分归因于白纹伊蚊种群的遗传差异。目前，人们对白纹伊蚊在马来西亚的重要生物学特征知之甚少。因此，本研究旨在基于线粒体编码的细胞色素氧化酶亚基 I（COI）序列来确定白纹伊蚊的遗传变异。对 253 个分类单元进行统计简约网络分析，共对齐 321 个 COI 基因字符，结果显示有 42 种单倍型（H1-H42），其中 H1 是在马来半岛分布最广泛的单倍型。在北部种群中检测到 3 种高度分化的单倍型（H21、H30 和 H31）。总体而言，所有种群的单倍型和核苷酸多样性分别为 0.576 和 0.003，遗传分化程度较低（FST=0.039），基因流较高（Nm=12.21）。