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Image_1_Succession of the Gut Microbiome in the Tibetan Population of Minjiang River Basin.TIF (1.37 MB)

Image_1_Succession of the Gut Microbiome in the Tibetan Population of Minjiang River Basin.TIF

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posted on 2022-04-11, 04:38 authored by Jun Li, Lin Sun, Xianlu He, Jing Liu, Dan Wang, Yuanping Han, Baijun Chen, Xuemei Li, Lingmeng Song, Wen Yang, Luo Zuo, Jingping Sun, Ling Qin, Feng He, Yuanqin Tang, Lin Yang, Lesiji Kang, Yonghua He, Xiaofeng Qin, Xiaoan Li

Tibetans are one of the oldest ethnic groups in China and South Asia. Based on the analysis of 1,059 Tibetans in the Minjiang River basin at an altitude of 500–4,001 m, we found that the dominant phyla of the Tibetan population were Bacteroidota and Firmicutes, and the main genera were Prevotella and Bacteroides, which were mostly in consistent with other nationalities. We further evaluated in total 115 parameters of seven categories, and results showed that altitude was the most important factor affecting the variation in the microbial community. In the process of emigration from high altitudes to the plain, the gut microbial composition of late emigrants was similar to that of plateau aborigines. In addition, regarding immigration from low altitude to high altitude, the microbial community became more similar to that of high altitude population with the increase of immigration time. Changes in these microbes are related to the metabolism, disease incidence and cell functions of the Tibetan population. The results of other two cohorts (AGP and Z208) also showed the impact of altitude on the microbial community. Our study demonstrated that altitude of habitation is an important factor affecting the enterotype of the microflora in the Tibetan population and the study also provided a basis to explore the interaction of impact parameters with gut microbiome for host health and diseases.

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