数字农科院2.0

Genome-Wide Association Study of Immune Indices in Yaks

文献类型： 外文期刊

作者： Daoning Yu;Xiaoming Ma;Chun Huang;Tong Wang;Mengfan Zhang;Fen Feng;Xiaoyun Wu;Yongfu La;Xian Guo;Ping Yan;Derong Zhang;Chunnian Liang

作者机构：

关键词： GWAS;immune indices;resequencing;SNP;yak

期刊名称： Animals

ISSN： 2076-2615

年卷期： 2025 年 15 卷 14 期

页码：

收录情况： SCIE（2025版）

摘要： The yak is a vital livestock resource on the Qinghai–Tibet Plateau, renowned for its strong disease resistance and high-quality meat. However, various diseases pose significant threats to its health and lead to substantial economic losses. Current feeding management practices, along with available drugs and vaccines, have demonstrated limited effectiveness in preventing and controlling infectious diseases. Additionally, challenges such as drug resistance and the safety of animal products persist. Therefore, enhancing the disease-resistant breeding capacity of yaks is crucial. In this study, we examined 192 yaks by measuring the concentrations of 10 immune indicators in serum by using the ELISA method and conducting whole-genome resequencing, which identified 19,182,942 SNP loci. Through genome-wide association analysis, we detected 323 significant SNPs located near or within 125 candidate genes, most of which are associated with disease and significantly enriched in the TGF-β signaling pathway. Overall, our study identified a series of novel variants and candidate genes associated with disease resistance traits in yaks, providing important information for the molecular breeding of disease resistance in yaks. These results not only contribute to a deeper understanding of the function of disease resistance genes in yaks but also hold great potential for accelerating precision disease resistance breeding in yaks.

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