The complete mitochondrial genome sequence and phylogenetic analysis of Niangya yak (Bos grunniens)

文献类型： 外文期刊

第一作者： Huang, Chun

作者： Huang, Chun;Wu, Xiaoyun;Fu, Donghai;Chu, Min;Dingkao, Renqing;Guo, Xian;Yan, Ping;Liang, Chunnian;Huang, Chun;Wu, Xiaoyun;Fu, Donghai;Chu, Min;Dingkao, Renqing;Guo, Xian;Basang, Wangdui;Yan, Ping;Liang, Chunnian;Zhang, Qiang;Dawa, Yangla;Jiang, Hui;Cidan, Yangji

作者机构：

关键词： Niangya yak; (Bos grunniens); mitochondrial genome; phylogenetic analysis; protection of genetic resources

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

ISSN：

年卷期： 2020 年 5 卷 1 期

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收录情况： SCI

摘要： In the present study, we report the complete mitochondrial genome of Niangya yak (Bos grunniens) and its phylogenetic inferences. The complete mitochondrial DNA is a circular molecule with 16,322bp length consisting of 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and a non-coding control region(D-loop). Both ND6 and 7 tRNAs (tRNA-Pro, tRNA-Glu, tRNA-Tyr, tRNA-Cys, tRNA-Asn, tRNA-Ala and tRNA-Gln) are encoded on the light strand, and the remaining genes are encoded on the heavy strand. The overall nucleotide composition is A(33.73%), T(27.28%), C(25.80%), G(13.19%) respectively. The content of C+G is 38.99%. Given that yak is indispensable for the Tibetan people, it is important to understand the genetic status of the population for further systematic genetics, evolutionary significance and protection of genetic resources. Therefore, to understand the evolutionary history of Niangya yak, the complete mitochondrial genome of Niangya yak was sequenced and compared with the mitochondrial genome of closely related Bos species.

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