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Study on intestinal microbial communities of three different cattle populations on Qinghai-Tibet Plateau

文献类型： 外文期刊

作者： Suolang, Quji 1 ; Basang, Zhuzha 1 ; Silang, Wangmu 1 ; Nima, Cangjue 1 ; Yang, Qiwen 2 ; Da, Wa 1 ;

作者机构： 1.Tibet Acad Agr & Anim Husb Sci, Inst Anim Husb & Vet Sci, Lhasa, Peoples R China

2.Northwest A&F Univ, Coll Anim Sci & Technol, Key Lab Anim Genet Breeding & Reprod Shaanxi Prov, Xianyang, Shaanxi, Peoples R China

期刊名称：PLOS ONE （ 影响因子：2.6； 五年影响因子：3.2 ）

ISSN： 1932-6203

年卷期： 2025 年 20 卷 2 期

页码：

收录情况： SCI

摘要： The Tibetan cattle, indispensableanimals on the Qinghai-Tibet Plateau, have become a focal point for the region's economic development. As such, the hybridization of these cattle has been recognized as a pivotal strategy to enhance the local cattle industry. However, research on the gut microbiota of Tibetan hybrid cattle remains scarce. Based on this, we conducted a comparative analysis of the gut microbiota and its functional implications across three distinct cattle populations: two the hybrid cattle populations (Tibetan local cattle x Holstein cattle, TH and Tibetan local cattle x Jersey cattle, TJ) and one the Tibetan locoal cattle population (BL). Bacteroidetes and Firmicutes dominate the gut microbiota across all populations at the phylum level. In addition, the predominant phyla in BL cattle were found to be Cyanobacteria, Verrucomicrobiota, and Actinobacteria, which may be one of the important reasons for the adaptability of Tibetan local cattle to the high-altitude environment of the Qinghai-Tibet Plateau. Further analysis identified specific biomarkers associated with the immune systems of BL cattle, including Bacteroidales_RF16, Coriobacterium, and Muribaculaceae. In contrast, TH cattle are primarily dominated by Oscillospiraceae and Clostridia_UCG_014, and TJ cattle are mainly dominated by Christensenellaceae and Gammaproteobacteria. KEGG enrichment analysis revealed that BL and TH cattle showed significant enrichment in the immune system, energy metabolism, and amino acid metabolism-related pathways compared with TJ cattle. Overall, these results suggest that BL and TH cattle demonstrate enhanced adaptability compared to TJ cattle, and indicate that intestinal microbiota of cattle at different altitudes and breeds have diverse structures and functions. Our study presents a new perspective on the role of the microbiome in the hybridization and enhancement of Tibetan cattle.

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