Potential role of the gut microbiota of bumblebee Bombus pyrosoma in adaptation to high-altitude habitats

文献类型： 外文期刊

第一作者： Zhang, Zhengyi

作者： Zhang, Zhengyi;Guo, Yulong;Zhuang, Mingsheng;Liu, Fugang;Xia, Zhongyan;Zhang, Zhihao;Yang, Fan;Huang, Jiaxing;Li, Jilian;Zhuang, Mingsheng;Zeng, Huayan;Wu, Yueguo

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关键词： gut microbiota; functional evolution; high-altitude; energy metabolism; immunity

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.2； 五年影响因子：6.2 ）

ISSN：

年卷期： 2023 年 14 卷

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收录情况： SCI

摘要： The gut microbiota affects the health and overall fitness of bumblebees. It can enhance the host's ecological range by leveraging their metabolic capacities. However, the diversity of the gut microbiota and adaptive functional evolution in high-altitude regions remain unclear. To explore how the gut microbiota helps the host adapt to high-altitude environments, we analyzed the differences in diversity and function of the gut microbiota between high- and low-altitude regions through full-length 16S rRNA sequencing. Our results show that high-altitude regions have a lower abundance of Fructobacillus and Saccharibacter compared to low-altitude regions. Additionally, some individuals in low-altitude regions were invaded by opportunistic pathogens. The gut microbiota in high-altitude regions has a greater number of pathways involved in "Protein digestion and absorption" and "Biosynthesis of amino acids," while fewer carbohydrate pathways are involved in "digestion and absorption" and "Salmonella infection." Our finding suggests that plateau hosts typically reduce energy metabolism and enhance immunity in response to adverse environments. Correspondingly, the gut microbiota also makes changes, such as reducing carbohydrate degradation and increasing protein utilization in response to the host. Additionally, the gut microbiota regulates their abundance and function to help the host adapt to adverse high-altitude environments.

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