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Maternal Genetic Diversity Analysis of Guanling Cattle by Mitochondrial Genome Sequencing

文献类型： 外文期刊

作者： Xu, Longxin 1 ; Wang, Xin 1 ; Wang, Hua 1 ; Wu, Junda 1 ; Zhou, Wenzhang 1 ; Ni, Mengmeng 2 ; Zhang, Kaikai 1 ; Zhao, Yuanfeng 1 ; Lin, Ruiyi 4 ;

作者机构： 1.Guizhou Acad Agr Sci, Inst Anim Husb & Vet Sci, Guiyang 550005, Guizhou, Peoples R China

2.Guizhou Univ, Coll Anim Sci, Guiyang 550000, Guizhou, Peoples R China

3.Guizhou Yellow Cattle Ind Grp Co Ltd, Guiyang 550001, Guizhou, Peoples R China

4.Fujian Agr & Forestry Univ, Coll Anim Sci, Fuzhou 350002, Peoples R China

关键词： Guanling cattle; Mitochondrial genome; Genetic diversity; Breeding management

期刊名称：BIOCHEMICAL GENETICS （ 影响因子：1.6； 五年影响因子：1.8 ）

ISSN： 0006-2928

年卷期： 2024 年

页码：

收录情况： SCI

摘要： Owing to the unique geography and the isolated environment, Guanling cattle, which is one of five local cattle breeds in Guizhou, China, has developed unique characteristics. The number of pure Guanling cattle decreased markedly because of the hybridization with foreign breeds. In the present study, the maternal genetic diversity of 58 Guanling bulls was assessed by whole mitochondrial genome sequencing. Genetic polymorphisms and phylogenetic analyses classified Guanling cattle into two main lineages, where 43.10% of Guanling cattle were closely related to the foreign breeds and 56.90% displayed distinct features in mitochondrial genomic diversity. PCA analysis further separated Guanling cattle into four populations, one of which was clustered with the foreign breeds. The result of the structure plot and genetic polymorphisms revealed high genetic diversity within two populations that have a long genetic distance from the foreign breeds. Overall, our findings suggest that the whole mitochondrial genome sequencing analysis is a useful and reliable tool to study maternal genetic diversity and to identify the pure population of Guanling cattle. The results will be beneficial to the breeding management of Guanling cattle.

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