Genetic variation analysis of Guanling cattle based on whole-genome resequencing

文献类型： 外文期刊

第一作者： Xu, Longxin

作者： Xu, Longxin;Wang, Xin;Wu, Junda;Wang, Hua;Zhou, Wenzhang;Liu, Jing;Zhang, Kaikai;Yu, Bo;Ni, Mengmeng;Ni, Mengmeng;Lin, Ruiyi

作者机构：

关键词： Gene Screening; Guanling Cattle; Resequencing; Single Nucleotide Polymorphism (SNP)

期刊名称：ANIMAL BIOSCIENCE （ 影响因子：2.5； 五年影响因子：2.8 ）

ISSN： 2765-0189

年卷期： 2024 年 37 卷 12 期

页码：

收录情况： SCI

摘要： Objective: The objective of this study was to unravel the genetic traits of Guanling cattle, pinpoint genes advantageous for muscle growth, and lay a foundation for the preservation of genetic diversity and further analysis of regulation mechanism of important economic traits in local cattle breed. Methods: In this study, we sequenced the whole genome of 3 Guanling cattle in Guizhou province using the Illumina HiSeq cBo sequencing platform. And, high- multiplex polymerase chain reaction technology was employed to detect high-quality single nucleotide polymorphism (SNP) sites of other 55 Guanling cattle. Results: Our study identified 166,411 non-synonymous SNPs (nsSNPs) and 42,423 insertions and deletions (indels). Through SNP annotation, gene function enrichment analysis, and comparing with Simmental, Angus, and Limousin cattle, we identified six genes ( LEPR , AKAP9, SIX4, SPIDR, PRG4, FASN) which are potentially influential on meat quality traits, playing crucial roles in muscle growth, fat metabolism, and bodily support. We also examined polymorphisms at seven SNP sites in Guanling cattle and found that all seven were in Hardy- Weinberg equilibrium. Conclusion: These findings suggested that these gene sites are stable and widespread in the Guanling cattle population. Our research lays the groundwork for future genetic enhancement and variety identification of Guanling cattle.

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