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(双翅目:蚊科)线粒体基因组的测序和描述。

Sequencing and Description of the Mitochondrial Genome of (Diptera: Culicidae).

机构信息

Graduate Program in Parasitary Biology in the Amazon Region, Center of Biological and Health Sciences, State University of Pará, Belém 66095-663, Brazil.

Evandro Chagas Institute-IEC/MS/SVSA, Department of Arbovirology and Hemorragic Fevers, Ananindeua 67030-000, Brazil.

出版信息

Genes (Basel). 2024 Jul 3;15(7):874. doi: 10.3390/genes15070874.

Abstract

The genus Theobald, 1904 (Diptera: Culicidae) comprises 36 wild mosquito species, with distribution largely restricted to tropical and temperate areas, most of which are not recognized as vectors of epidemiological importance due to the lack of information related to their bionomy and involvement in the cycle transmission of infectious agents. Furthermore, their evolutionary relationships are not completely understood, reflecting the scarcity of genetic information about the genus. Therefore, in this study, we report the first complete description of the mitochondrial genome of a Neotropical species representing the genus, Coquillet, 1906, collected in the Brazilian Amazon region. Using High Throughput Sequencing, we obtained a mitochondrial sequence of 15,598 bp, with an average coverage of 418.5×, comprising 37 functional subunits and a final portion rich in A + T, corresponding to the control region. The phylogenetic analysis, using Maximum Likelihood and Bayesian Inference based on the 13 protein-coding genes, corroborated the monophyly of Culicidae and its two subfamilies, supporting the proximity between the tribes Orthopodomyiini and Mansoniini, partially disagreeing with previous studies based on the use of molecular and morphological markers. The information generated in this study contributes to a better understanding of the taxonomy and evolutionary history of the genus and other groups of Culicidae.

摘要

Theobald 属(双翅目:蚊科)包括 36 种野生蚊种,分布范围主要局限于热带和温带地区,由于缺乏与其生物生态学和在传染病传播周期中作用相关的信息,其中大多数蚊种并不被认为具有流行病学重要性。此外,它们的进化关系尚未完全清楚,这反映了有关该属的遗传信息相对匮乏。因此,在本研究中,我们报告了首例代表该属的新热带物种(即 Coquillet,1906)的线粒体基因组的完整描述,该物种在巴西亚马逊地区采集。我们使用高通量测序获得了 15598bp 的线粒体序列,平均覆盖率为 418.5×,包含 37 个功能亚基和富含 A+T 的末端区域,对应于控制区。基于 13 个蛋白编码基因的最大似然法和贝叶斯推断的系统发育分析,支持蚊科及其两个亚科的单系性,支持 Orthopodomyiini 和 Mansoniini 两个部落之间的亲缘关系,部分与基于分子和形态标记物的先前研究结果不一致。本研究中生成的信息有助于更好地理解该属和其他蚊科群体的分类学和进化历史。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5dfc/11276460/221bb6c37c40/genes-15-00874-g001.jpg

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