肠道菌群
生物
微生物群
生态学
生物信息学
免疫学
作者
Erkai Zhou,Ling Zhang,He Lin,Ye Xiao,Kai Zhang,Benyan Luo
标识
DOI:10.1016/j.scitotenv.2024.170060
摘要
Temperature has been recognized as an important environmental factor affecting the composition and function of gut microbiota (GM). Although research on high-temperature impacts has been well studied, knowledge about the effect of cold exposure on GM remain limited. This narrative review aims to synthesize the latest scientific findings on the impact of cold exposure on mammalian GM, and its potential health implications. Chronic cold exposure could disrupt the stability of α-diversity, and dramatically alter GM composition in both experimental animals and wild-living hosts, particularly increasing the abundance of pathogenic bacteria or conditional pathogens. Meanwhile, cold exposure could impact gut microbial metabolites, such as short-chain fatty acids. We also discussed plausible biological pathways and mechanisms by which cold-induced changes may impact host health, including metabolic homeostasis, fitness and thermogenesis, through the microbiota-gut-brain axis. Intriguingly, alterations in GM may provide a tool for favorably modulating the host response to the cold temperature. Finally, current challenges and future perspectives are discussed, emphasizing the need for translational research in humans. GM could be manipulated by utilizing nutritional strategies, such as probiotics and prebiotics, to deal with cold-related health issues and enhance well-being in populations living or working in cold environments.
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