Maternal Genetic Diversity, Differentiation and Phylogeny of Wild Yak and Four Domestic Yak Breeds in Qinghai, China Inferred from Mitochondrial Cytb Variations
D. Xu, R. Li, Y. Xu, W. Guo, S. Chen, W. Li, W. Huang, C. Lei, Z. Ma
{"title":"Maternal Genetic Diversity, Differentiation and Phylogeny of Wild Yak and Four Domestic Yak Breeds in Qinghai, China Inferred from Mitochondrial Cytb Variations","authors":"D. Xu, R. Li, Y. Xu, W. Guo, S. Chen, W. Li, W. Huang, C. Lei, Z. Ma","doi":"10.1134/s1022795424700376","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Yak (<i>Bos grunniens</i>) is a unique livestock animal originating from the Qinghai-Tibet Plateau in China. In the current study, we investigated the maternal genetic diversity, differentiation and phylogeny of wild yak population and four domestic yak breeds (Qinghai-Gaoyuan, Huanhu, Xueduo, and Yushu) in Qinghai, China by analyzing 166 mitochondrial cytochrome <i>b</i> (<i>Cytb</i>) gene sequence variations. The results showed that the five yak breeds/populations had high genetic diversity (<i>H</i><sub>d</sub> = 0.501 ± 0.088–0.770 ± 0.053) and each yak breed/population owned unique haplotypes. Estimates of <i>F</i><sub>ST</sub> values showed a moderate genetic differentiation between wild yak and Huanhu yak (<i>F</i><sub>ST</sub> = 0.0577) as well as that between Huanhu yak and Yushu yak breeds (<i>F</i><sub>ST</sub> = 0.0520), but a weak genetic differentiation was observed between the other yak breeds/populations (–0.0209 < <i>F</i><sub>ST</sub> < 0.0372). Additionally, the clustering analysis based on <i>R</i><sub>ST</sub> values showed that Xueduo yak and Huanhu yak were clustered into one group, and each of the other three yak breeds/populations was separated into one group, respectively. Overall, the clustering relationship between wild yak and Yushu yak was closer. Maternal phylogenetic analysis showed that wild yak and four domestic yak breeds/populations in Qinghai represented in three maternal lineages (Mt-I, Mt-II, and Mt-III), indicating three maternal origins in yak. Our study would provide valuable information for the conservation and utilization of wild yak and Qinghai domestic yak breeds.</p>","PeriodicalId":21441,"journal":{"name":"Russian Journal of Genetics","volume":"50 1","pages":""},"PeriodicalIF":0.6000,"publicationDate":"2024-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Journal of Genetics","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1134/s1022795424700376","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"GENETICS & HEREDITY","Score":null,"Total":0}
引用次数: 0
Abstract
Yak (Bos grunniens) is a unique livestock animal originating from the Qinghai-Tibet Plateau in China. In the current study, we investigated the maternal genetic diversity, differentiation and phylogeny of wild yak population and four domestic yak breeds (Qinghai-Gaoyuan, Huanhu, Xueduo, and Yushu) in Qinghai, China by analyzing 166 mitochondrial cytochrome b (Cytb) gene sequence variations. The results showed that the five yak breeds/populations had high genetic diversity (Hd = 0.501 ± 0.088–0.770 ± 0.053) and each yak breed/population owned unique haplotypes. Estimates of FST values showed a moderate genetic differentiation between wild yak and Huanhu yak (FST = 0.0577) as well as that between Huanhu yak and Yushu yak breeds (FST = 0.0520), but a weak genetic differentiation was observed between the other yak breeds/populations (–0.0209 < FST < 0.0372). Additionally, the clustering analysis based on RST values showed that Xueduo yak and Huanhu yak were clustered into one group, and each of the other three yak breeds/populations was separated into one group, respectively. Overall, the clustering relationship between wild yak and Yushu yak was closer. Maternal phylogenetic analysis showed that wild yak and four domestic yak breeds/populations in Qinghai represented in three maternal lineages (Mt-I, Mt-II, and Mt-III), indicating three maternal origins in yak. Our study would provide valuable information for the conservation and utilization of wild yak and Qinghai domestic yak breeds.
期刊介绍：
Russian Journal of Genetics is a journal intended to make significant contribution to the development of genetics. The journal publishes reviews and experimental papers in the areas of theoretical and applied genetics. It presents fundamental research on genetic processes at molecular, cell, organism, and population levels, including problems of the conservation and rational management of genetic resources and the functional genomics, evolutionary genomics and medical genetics.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
