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Updated: May 13, 2025

Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface
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Exploring and evaluating microbiome resilience in the gut.

Huimin Zhou1, Li Tang2, Kristin A Fenton3

  • 1Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, 116044, China.

FEMS Microbiology Ecology
|April 29, 2025
PubMed
Summary
This summary is machine-generated.

Assessing gut microbiome resilience is crucial for health. This review explores metrics, factors like immune regulation, and mechanisms influencing microbial community stability and recovery after disturbances.

Keywords:
host–microbe interactionsmicrobe–microbe interplaysmicrobiome resiliencemicrobiome structure and keystone species

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Area of Science:

  • Microbiology
  • Immunology
  • Systems Biology

Background:

  • The gut microbiome significantly impacts human health and wellness.
  • Microbiome resilience, the ability to resist or recover from disturbances, is key to maintaining gut health.
  • Current criteria for assessing microbiome resilience lack consensus.

Purpose of the Study:

  • To provide new insights into metrics and techniques for assessing gut microbiome resilience.
  • To explore factors influencing gut microbiome resilience.
  • To highlight the role of the host immune system in modulating microbiome resilience.

Main Methods:

  • Review of potential parameters: microbiome structure, keystone species, biomarkers, persistence, and recovery rates.
  • Discussion of research techniques: microbiology, metagenomics, biochemistry, and dynamic modeling.
  • Exploration of microbial mechanisms: flexible metabolism, quorum sensing, functional redundancy, cooperation, and competition.

Main Results:

  • Microbiome structure, keystone species, and microbe-microbe interactions are critical determinants of resilience.
  • Mechanisms like flexible metabolism and microbial cooperation contribute to resilience.
  • Host-microbe interactions, particularly immune system regulation, are vital for stability and functionality.

Conclusions:

  • Standardized metrics are needed for accurate microbiome resilience assessment.
  • Understanding resilience mechanisms, including microbial and host factors, is essential for gut health.
  • The host immune system plays a significant, often overlooked, role in maintaining gut microbiome stability and resilience.