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The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
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Updated: Jun 17, 2025

High-Throughput Screening of Microbial Isolates with Impact on Caenorhabditis elegans Health
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Gut microbiota and healthy longevity.

Jia Luo1, Shan Liang2, Feng Jin3

  • 1College of Psychology, Sichuan Normal University, Chengdu, 610066, China.

Science China. Life Sciences
|August 7, 2024
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Summary
This summary is machine-generated.

The gut microbiota plays a crucial role in healthy longevity by influencing key biological mechanisms. Targeting the gut microbiome offers promising strategies for promoting healthy aging and combating age-related diseases.

Keywords:
bile acidsgut microbiotahealthy aginglongevityshort-chain fatty acidstryptophan metabolites

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Area of Science:

  • Microbiology
  • Geroscience
  • Immunology

Background:

  • Recent advances link gut microbiota to healthy longevity mechanisms.
  • Microbiota's role in host lifespan plasticity and aging is increasingly recognized.
  • Microbiota-targeted strategies show potential for promoting healthspan.

Purpose of the Study:

  • To review the mechanisms by which gut microbiota influences healthy longevity.
  • To highlight the potential of microbiota-based interventions for aging and age-related diseases.

Main Methods:

  • Literature review focusing on gut microbiota and healthy longevity.
  • Analysis of studies investigating microbiota's impact on aging hallmarks.
  • Synthesis of evidence on microbiota-modulated pathways relevant to healthspan.

Main Results:

  • Gut microbiota enhances intestinal barrier integrity.
  • Microbiota protects against inflammaging (chronic, low-grade inflammation associated with aging).
  • Microbiota ameliorates nutrient-sensing pathways, optimizes mitochondrial function, and improves defense against age-related diseases.

Conclusions:

  • Gut microbiota significantly impacts healthy longevity and healthspan.
  • Microbiota-targeted strategies are promising for promoting healthy aging.
  • Further research into the gut-host-longevity axis is warranted.