Isolation and characterization of the mitochondrial genome of Gymnodraco acuticeps (Perciformes: Bathydraconidae) with phylogenetic consideration

文献类型： 外文期刊

第一作者： Song, Wei

作者： Song, Wei;Li, Lingzhi;Huang, Hongliang;Chen, Fenfang;Zhao, Ming;Jiang, Keji;Zhang, Fengying;Ma, Chunyan;Chen, Xuezhong;Ma, Lingbo;Chen, Fenfang

作者机构：

关键词： Gymnodraco acuticeps; mito-genome; genome structure; phylogenetic

期刊名称：MITOCHONDRIAL DNA PART B-RESOURCES （ 影响因子：0.658； 五年影响因子：0.674 ）

ISSN： 2380-2359

年卷期： 2017 年 2 卷 2 期

页码：

收录情况： SCI

摘要： Gymnodraco acuticepsis is an Antarctic fish living in the Southern Ocean. Until now, studies on G. acuticeps are still limited. As an Antarctic fish, obtaining and characterization of the mitochondrial genome of G. acuticeps will be important for elucidation of the mechanism of cold-adapting evolution in mitochondrion. In this study, we first isolated and characterized the mitochondrial genome sequence of G. acuticeps with 15,987 bp in length. It contained of 34 genes (12 protein-coding genes, 20 transfer RNA genes, 2 ribosomal RNA genes) and a partial putative control region. Gene organization and nucleotide composition of obtained mito-genome were similar to those of other Antarctic fish. Twenty-eight genes were encoded by heavy strand, while six genes were encoded by light strand. Further, the phylogenetic tree, which based on 12 protein-coding genes, revealed that the G. acuticeps was genetically closest to species Parachaenichthys charcoti among 18 species. We hope this work would be helpful for the population genetics and molecular evolution studies.

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