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近缘白蛉（双翅目：白蛉科）的系统发育关系。

Phylogenetic relationships of closely-related phlebotomine sand flies (Diptera: Psychodidae) of Nyssomyia genus and Lutzomyia subgenus.

机构信息

Ministerio de Salud de la Nación, Administración Nacional de Laboratorios e Institutos de Salud Dr Carlos G Malbrán-ANLIS, Instituto Nacional de Medicina Tropical, Puerto Iguazú, Misiones, Argentina.

Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina.

出版信息

Mem Inst Oswaldo Cruz. 2020 Sep 14;115:e200220. doi: 10.1590/0074-02760200220. eCollection 2020.

DOI:10.1590/0074-02760200220
PMID:32935751
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7491277/
Abstract

BACKGROUND

The Nyssomyia genus and Lutzomyia subgenus include medical important species that are Latin American leishmaniases vectors. Little is known about the phylogenetic relationships of closely-related species in each of these taxonomic groups that are morphologically indistinguishable or differentiated by very subtle details.

OBJECTIVES

We inferred the phylogenetic relationships of closely-related species within both the Nyssomyia genus and the Lutzomyia subgenus using a cytochrome c oxidase subunit I (COI) fragment.

METHODS

The sampling was carried out from 11 Argentinean localities. For genetic analyses, we used GenBank sequences in addition to our sequences from Argentina. Kimura 2-parameter (K2P) genetic distance and nucleotide divergence (Da) was calculated between closely-related species of Nyssomyia genus, Lutzomyia subgenus and between clades of Lutzomyia longipalpis complex.

FINDINGS

The K2P and Da values within species of Nyssomyia genus and Lutzomyia subgenus were lower than the divergence detected between clades of Lu. longipalpis complex. The haplotype network analyses within Lutzomyia subgenus showed shared haplotypes between species, contrary to Nyssomyia genus with none haplotype shared. Bayesian inference within Nyssomyia genus presented structuring by species.

MAIN CONCLUSIONS

This study evidences the phylogenetic proximity among closely-related species within Nyssomyia genus and Lutzomyia subgenus. The COI sequences of Nyssomyia neivai derived from the present study are the first available in GenBank.

摘要

背景

Nyssomyia 属和 Lutzomyia 亚属包括医学上重要的物种，它们是拉丁美洲利什曼病的传播媒介。对于这些分类群中形态上无法区分或仅通过非常细微的细节区分的密切相关物种的系统发育关系知之甚少。

目的

我们使用细胞色素 c 氧化酶亚基 I（COI）片段推断 Nyssomyia 属和 Lutzomyia 亚属内密切相关物种的系统发育关系。

方法

采样来自 11 个阿根廷地点。为了进行遗传分析，我们除了使用来自阿根廷的序列外，还使用了 GenBank 序列。计算了 Nyssomyia 属和 Lutzomyia 亚属内密切相关物种、Lutzomyia longipalpis 复合体的分支之间的 Kimura 2-参数（K2P）遗传距离和核苷酸分歧（Da）。

发现

Nyssomyia 属和 Lutzomyia 亚属内物种的 K2P 和 Da 值低于 Lu.longipalpis 复合体分支之间检测到的分歧。Lutzomyia 亚属内的单倍型网络分析显示物种之间存在共享单倍型，而 Nyssomyia 属则没有共享单倍型。Nyssomyia 属内的贝叶斯推断显示了物种的结构。

主要结论

本研究证明了 Nyssomyia 属和 Lutzomyia 亚属内密切相关物种的系统发育关系。本研究获得的 Nyssomyia neivai 的 COI 序列是 GenBank 中首次获得的序列。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/f4e5d7dd41ef/1678-8060-mioc-115-e200220-gf5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/d95c25fef28b/1678-8060-mioc-115-e200220-gf1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/4bdea13658d9/1678-8060-mioc-115-e200220-gf2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/4c99d16410f6/1678-8060-mioc-115-e200220-gf3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/792551e10cde/1678-8060-mioc-115-e200220-gf4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/f4e5d7dd41ef/1678-8060-mioc-115-e200220-gf5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/d95c25fef28b/1678-8060-mioc-115-e200220-gf1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/4bdea13658d9/1678-8060-mioc-115-e200220-gf2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/4c99d16410f6/1678-8060-mioc-115-e200220-gf3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/792551e10cde/1678-8060-mioc-115-e200220-gf4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c9f5/7491277/f4e5d7dd41ef/1678-8060-mioc-115-e200220-gf5.jpg

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