Genetic Diversity and Classification of Tibet Yak Based on Mitochondrial A TP6 Gene Sequence

摘要：

　　In order to investigate the genetic diversity and clustering relationships of Tibet yak, the mitochondrial ATP6 (Adenosine Triphosphate 6) gene from 367 yaks in 16 populations were sequenced and analyzed.There were 70 polymorphic sites within the sequences.Among these polymorphic sites, 52 were singleton variable sites and 18 were parsimony-informative sites.A total of 67 haplotypes from 70 polymorphic sites were identified, and the nucleotide and the haplotypes diversities were 0.534 and 0.00181, indicating a relatively abundant genetic diversity in Tibetan yaks.The NJ phytogenetic tree revealed that the Tibet yak could be divided into Sibu and Cuona two types.Network relationship chart of 67 haplotypes presented two clusters, indicating that Tibet yaks may be derived from two separate maternal lineages.

关键词： Tibet yak mitochondrial ATP6 gene genetic diversity classification

作者: Yang Qin Chai Zhixin Zhang Chengfu Ji Qiumei Xin Jinwei Song Qiaoqiao Zhong Jincheng

作者单位: Key Laboratory of Animal Genetic Breeding Science, Southwest University for Nationalities, Chengdu, Institute of Animal Science and Veterinary, Academy of Agricultural Science, Tibet Autonomous Region

会议类型: 国际会议

会议名称: The 5th International Conference on Yak(第五届国际耗牛大会)

会议地点: 兰州

会议语种:英文

页码: 243-251

在线出版日期: 2014-08-27（万方平台首次上网日期，不代表论文的发表时间）