入侵水螅类动物的线粒体基因组：Cladonema digitatum Fang et al., 2022（刺胞目：水螅目）。

IF 0.7 4区生物学 Q4 GENETICS & HEREDITY

Mitochondrial DNA. Part B, Resources Pub Date : 2025-09-08 eCollection Date: 2025-01-01 DOI:10.1080/23802359.2025.2554415

Yuxiang Huang, Jiaxin Tian, Shuo Zheng, Ping Zheng, Jianming Chen, Konglin Zhou, Weicheng Wang

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引用次数: 0

摘要

本研究展示了入侵物种Cladonema digitatum Fang et al.， 2022的第一个线粒体基因组（16,342 bp），揭示了一个保守的capitata样基因排列，包括13个蛋白质编码基因、2个rRNA基因和2个tRNA基因，以及一个重复的伪cox1片段。系统发育分析有力地支持了指枝线虫和多毛枝线虫是相互单系的有丝分裂基因组谱系，形成了与太平洋枝线虫相似的强大分支。这种拓扑结构支持放射状枝线虫（Cladonema radiatum-like lineage）（丝状触手，胃囊）和太平洋枝线虫（C. pacificum-like species）的形态分化。这些发现为推进对水母动物系统发育的理解提供了重要的基因组资源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The mitochondrial genome of an invasive hydromedusa: Cladonema digitatum Fang et al., 2022 (Cnidaria: Hydrozoa).

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The mitochondrial genome of an invasive hydromedusa: Cladonema digitatum Fang et al., 2022 (Cnidaria: Hydrozoa).

This study presents the first mitochondrial genome (16,342 bp) of the invasive species Cladonema digitatum Fang et al., 2022, revealing a conserved Capitata-like gene arrangement, comprising 13 protein-coding genes, two rRNA genes, and two tRNA genes, along with a duplicated pseudo-cox1 fragment. Phylogenetic analysis robustly supported C. digitatum and Cladonema multiramosum as reciprocally monophyletic mitogenome lineages, forming a robust clade sister to Cladonema pacificum. This topology supports the morphological dichotomy between the Cladonema radiatum-like lineage (filiform tentacles, gastric pouches) and C. pacificum-like species. These findings contribute a critical genomic resource for advancing the understanding of medusozoan phylogeny.

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来源期刊

Mitochondrial DNA. Part B, Resources Biochemistry, Genetics and Molecular Biology-Molecular Biology

CiteScore

1.30

自引率

20.00%

发文量

670

期刊介绍： This open access journal publishes high-quality and concise research articles reporting the sequence of full mitochondrial genomes, and short communications focusing on the physical, chemical, and biochemical aspects of mtDNA and proteins involved in mtDNA metabolism and interactions.