Cosmolaelaps hrdyi (Samšiňák, 1961) 的线粒体基因组序列（蛔虫科：Laelapidae）：基因组特征和系统发育分析

IF 1.3 3区农林科学 Q2 ENTOMOLOGY

Systematic and Applied Acarology Pub Date : 2023-12-26 DOI:10.11158/saa.28.12.8

Jun-Xian Fu, Xue-Lin Li, Lang Liang, Yan-Fei Song, Maodan Yang, Jianfeng Liu

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引用次数: 0

摘要

摘要蛛形目螨亚科的许多捕食螨是害虫的重要生物防治媒介。本文利用 Illumina HiSeq 平台对 Cosmolaelaps hrdyi 的完整线粒体（mt）基因组进行了测序。mt 基因组是一个长达 15,437 bp 的环状分子（GenBank 编号：OR643715），共鉴定出 37 个基因。所有 13 个蛋白质编码基因（PCGs）的第一个密码子都是 ATN。除 ND3 的终止密码子为 TAG 和 ATP8 的密码子不完整外，其余 11 个 PCG 的终止密码子均为 TAA。除 trnS1（AGN）外，所有 tRNA 都具有典型的苜蓿叶二级结构。在 C. hrdyi 的整个 mt 基因组中观察到强烈的 AT 核苷酸偏倚（81.75%）以及 AT（0.026）和 GC（0.252）的正偏斜。除两个 rRNA 基因外，在所有基因中都发现了 AT 正偏斜和 GC 正偏斜。通过最大似然法，利用 mt 基因组序列构建了 29 种螨虫（Dermanyssiae）的系统发生树。系统进化分析证实了螨科和螨属之间的密切关系。

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The mitochondrial genome sequence of Cosmolaelaps hrdyi (Samšiňák, 1961) (Acari: Laelapidae): Genome characterization and phylogenetic analysis

Abstract Many predatory mites of the subfamily Hypoaspidinae are important biological control agents of pest organisms. Here, an Illumina HiSeq platform was used to sequence the complete mitochondrial (mt) genome of Cosmolaelaps hrdyi. The mt genome is a circular molecule of 15,437 bp (GenBank number: OR643715), and a total of 37 genes were identified. The first codon in all 13 protein-coding genes (PCGs) is ATN. With the exception of the stop codon of ND3, which was TAG and the incomplete codon of ATP8, the stop codon of the remaining 11 PCGs was TAA. All tRNAs had typical cloverleaf secondary structures, with the exception of trnS1 (AGN). A strong AT nucleotide bias (81.75%) and positive skew in both AT (0.026) and GC (0.252) were observed across the whole mt genome of C. hrdyi. Positive AT skew and GC skew were detected in all genes but the two rRNA genes. A phylogenetic tree of 29 mite species (Dermanyssiae) was constructed using mt genome sequences by the maximum likelihood method. A close relationship between Laelapidae and Varroidae was confirmed by the phylogenetic analysis.

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来源期刊

Systematic and Applied Acarology ENTOMOLOGY-

CiteScore

2.20

自引率

33.30%

发文量

152

期刊介绍： Systematic and Applied Acarology (SAA) is an international journal of the Systematic and Applied Acarology Society (SAAS). The journal is intended as a publication outlet for all acarologists in the world. There is no page charge for publishing in SAA. If the authors have funds to publish, they can pay US$20 per page to enable their papers published for open access. SAA publishes papers reporting results of original research on any aspects of mites and ticks. Due to the recent increase in submissions, SAA editors will be more selective in manuscript evaluation: (1) encouraging more high quality non-taxonomic papers to address the balance between taxonomic and non-taxonomic papers, and (2) discouraging single species description (see new special issues for single new species description) while giving priority to high quality systematic papers on comparative treatments and revisions of multiple taxa. In addition to review papers and research articles (over 4 printed pages), we welcome short correspondence (up to 4 printed pages) for condensed version of short papers, comments on other papers, data papers (with one table or figure) and short reviews or opinion pieces. The correspondence format will save space by omitting the abstract, key words, and major headings such as Introduction.