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黑龙江锦蛇(游蛇科:锦蛇属)的线粒体全基因组

The complete mitochondrial genome of the Amur rat-snake Elaphe schrenckii (Squamata: Colubridae).

作者信息

Liu Peng, Zhao Wen-Ge

机构信息

a College of Life Science and Technology, Harbin Normal University , Harbin , Heilongjiang , P.R. China.

出版信息

Mitochondrial DNA A DNA Mapp Seq Anal. 2016 Jul;27(4):2529-30. doi: 10.3109/19401736.2015.1038789. Epub 2015 May 28.

Abstract

In this study, the whole mitochondrial genome of Elaphe schrenckii (Squamata: Colubridae) is first sequenced. It is a circular molecule of 17,165 bp in size and consists of 13 protein-coding genes, 22 transfer RNA (tRNA) genes, 2 ribosomal RNA (rRNA) genes and 2 control regions (CRI and CRII). Except for eight tRNAs and ND6 gene, all other mitochondrial genes were encoded on the heavy strand (H strand). The gene order and orientation of E. schrenckii mitogenome are basically identical to that of other alethinophidian snakes. Mitochondrial genome analyses based on MP, ML and NJ yielded identical phylogenetic trees, indicating a close phylogenetic affinity of 12 species of Colubridae snakes. This study will facilitate the further research of the population genetics of this species and systematic analyses of the genus Elaphe.

摘要

在本研究中,首次对棕黑锦蛇(有鳞目:游蛇科)的完整线粒体基因组进行了测序。它是一个大小为17,165 bp的环状分子,由13个蛋白质编码基因、22个转运RNA(tRNA)基因、2个核糖体RNA(rRNA)基因和2个控制区(CRI和CRII)组成。除了8个tRNA和ND6基因外,所有其他线粒体基因都在重链(H链)上编码。棕黑锦蛇线粒体基因组的基因顺序和方向与其他真蛇亚目蛇类基本相同。基于最大简约法(MP)、最大似然法(ML)和邻接法(NJ)的线粒体基因组分析产生了相同的系统发育树,表明12种游蛇科蛇类具有密切的系统发育亲缘关系。本研究将有助于对该物种的群体遗传学进行进一步研究以及对锦蛇属进行系统分析。

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