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首页> 外文期刊>Journal of Medical Entomology >Taxonomic and Phylogenetic Relationships between Species of the Genus Culex (Diptera: Culicidae) from Brazil Inferred from the Cytochrome c Oxidase I Mitochondrial Gene
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Taxonomic and Phylogenetic Relationships between Species of the Genus Culex (Diptera: Culicidae) from Brazil Inferred from the Cytochrome c Oxidase I Mitochondrial Gene

机译：从细胞色素c氧化酶I线粒体基因推断出的巴西库蚊属（双翅目：Culicidae）的物种之间的分类学和系统发育关系。

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摘要

Species of the genus Culex Linnaeus have been incriminated as the main vectors of lymphatic filariases and are important vectors of arboviruses, including West Nile virus. Sequences corresponding to a fragment of 478 bp of the cytochrome c oxidase subunit I gene, which includes part of the barcode region, of 37 individuals of 17 species of genus Culex were generated to establish relationships among five subgenera, Culex, Phenacomyia, Melanoconion, Microculex, and Carrollia, and one species of the genus Lutzia that occurs in Brazil. Bayesian methods were employed for the phylogenetic analyses. Results of sequence comparisons showed that individuals identified as Culex dolosus, Culex mollis, and Culex imitator possess high intraspecific divergence (3.1, 2.3, and 3.5%, respectively) when using the Kimura two parameters model. These differences were associated either with distinct morphological characteristics of the male genitalia or larval and pupal stages, suggesting that these may represent species complexes. The Bayesian topology suggested that the genus and subgenus Culex are paraphyletic relative to Lutzia and Phenacomyia, respectively. The cytochrome c oxidase subunit I sequences may be a useful tool to both estimate phylogenetic relationships and identify morphologically similar species of the genus Culex.
机译：Culex Linnaeus属的物种被认为是淋巴丝虫病的主要载体，并且是虫媒病毒（包括西尼罗河病毒）的重要载体。产生了对应于细胞色素C氧化酶亚基I基因478 bp片段的序列，该序列包括条码区的一部分，由17种库克斯属37个个体产生，以建立5个亚属之间的关系，库勒克斯，Phenacomyia，Melanoconion，Microculex和卡罗里亚（Carrollia），以及发生在巴西的Lutzia属的一种。贝叶斯方法用于系统发育分析。序列比较的结果表明，当使用Kimura两个参数模型时，被鉴定为Culex dolosus，Culex mollis和Culex模仿者的个体具有较高的种内差异（分别为3.1％，2.3％和3.5％）。这些差异与雄性生殖器的独特形态特征或幼虫和p阶段有关，表明这些可能代表物种复合体。贝叶斯拓扑表明，库蚊属和亚属分别相对于Lutzia和Phenacomyia是近亲的。细胞色素c氧化酶亚基I序列可能是有用的工具，既可以用来估计系统发育关系，也可以识别库莱克斯属的形态相似的物种。

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