Gut microbiota circadian rhythms: a key regulator of immunometabolic homeostasis

Nov 28, 2025Acta biochimica et biophysica Sinica

Daily rhythms of gut bacteria as important regulators of immune and metabolic balance

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Abstract

Disruptions in circadian crosstalk between the gut microbiota and the host may contribute to metabolic disorders.

  • Host circadian clocks regulate microbial activity through feeding and sleep patterns.
  • Microbial community composition and metabolic activity exhibit robust 24-hour oscillations under normal conditions.
  • Loss of microbial rhythms is associated with impaired intestinal barrier function and chronic inflammation.
  • Erratic eating patterns and shift work disrupt the temporal dialogue between the host and gut microbiota.
  • Circadian crosstalk is linked to immune modulation and metabolic regulation in the host.

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