期刊
NATURE REVIEWS GASTROENTEROLOGY & HEPATOLOGY
卷 18, 期 10, 页码 679-689出版社
NATURE PORTFOLIO
DOI: 10.1038/s41575-021-00452-2
关键词
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资金
- NIDDK [R01DK115221]
- Center for Interdisciplinary Study of Inflammatory Intestinal Diseases [P30 DK42086]
This review explores the role of gut microbiota as a driver and regulator of host circadian rhythms and metabolism, emphasizing its unique role in transducing dietary cues. It discusses key determinants of microbial oscillations and insights into microbial control of chronometabolism. Certain members of the gut microbiota exhibit diurnal variations in abundance and function to serve as non-canonical drivers of host circadian rhythms and metabolism.
This Review explores how the gut microbiota acts as a driver and regulator of host circadian rhythms and metabolism, highlighting its unique role in transducing dietary cues. Key determinants of microbial oscillations and insights into microbial control of chronometabolism are discussed. Certain members of the gut microbiota exhibit diurnal variations in relative abundance and function to serve as non-canonical drivers of host circadian rhythms and metabolism. Also known as microbial oscillators, these microorganisms entrain upon non-photic cues, primarily dietary, to modulate host metabolism by providing input to both circadian clock-dependent and clock-independent host networks. Microbial oscillators are generally promoted by plant-based, low-fat (lean) diets, and most are abolished by low-fibre, high-sugar, high-fat (Western) diets. The changes in microbial oscillators under different diets then affect host metabolism by altering central and peripheral host circadian clock functions and/or by directly affecting other metabolic targets. Here, we review the unique role of the gut microbiota as a non-photic regulator of host circadian rhythms and metabolism. We describe genetic, environmental, dietary and other host factors such as sex and gut immunity that determine the composition and behaviour of microbial oscillators. The mechanisms by which these oscillators regulate host circadian gene expression and metabolic state are further discussed. Because of the gut microbiota's unique role as a non-photic driver of host metabolism and circadian rhythms, the development and clinical application of novel gut microbiota-related diagnostics and therapeutics hold great promise for achieving and maintaining metabolic health.
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