（硬骨鱼纲，鲤形目，平鳍鳅科）的线粒体全基因组及系统发育分析
Complete mitochondrial genome and phylogenetic analysis of (Teleostei, Cypriniformes, Homalopteridae).
作者信息
Zou Yuanchao, Yan Yu, Chen Mei, Wu Tian, Wen Zhengyong
机构信息
College of Life Sciences, Neijiang Normal University, Conservation and Utilization of Fishes resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, Neijiang, Sichuan, China.
School of Life Sciences, Southwest University, Chongqing, China.
出版信息
Mitochondrial DNA B Resour. 2018 Feb 24;3(1):272-273. doi: 10.1080/23802359.2018.1443033.
is endemic to the Upper Yangtze River in China. In this study, we first determined the complete mitochondrial genome of . The circular mitogenome was 16,565 bp in length, including 13 protein-coding genes (PCGs), 2 rRNA genes, 22 tRNA genes, and 2 main noncoding regions. Most mitochondrial genes were encoded on the H-strand, except for and eight genes. The overall nucleotides composition was 30.38% A, 25.26% T, 27.74% C, and 16.62% G, with AT bias of 55.64%, respectively. Phylogenetic analysis using concatenated nucleotide sequences of the 13 PCGs with two different methods (ML and NJ) both highly supported that showed a close relationship with and . These data would be useful for further studies on genetic diversity and molecular phylogenetic relationship of the family Homalopteridae.
在中国长江上游地区为地方特有种。在本研究中，我们首次测定了……的完整线粒体基因组。该环状线粒体基因组长度为16,565 bp，包括13个蛋白质编码基因（PCGs）、2个rRNA基因、22个tRNA基因和2个主要非编码区。大多数线粒体基因在H链上编码，除了……和8个……基因。总体核苷酸组成分别为A占30.38%、T占25.26%、C占27.74%、G占16.62%，AT偏倚为55.64%。使用两种不同方法（最大似然法和邻接法）对13个PCGs的串联核苷酸序列进行系统发育分析，均高度支持……与……和……显示出密切关系。这些数据将有助于进一步研究平鳍鳅科的遗传多样性和分子系统发育关系。
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