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Phage-based microbiome manipulation reveals ecological interactions within gut communities.

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Quenching corrinoid-based interactions in a model bacterial coculture.

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Updated: Sep 17, 2025

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The Corrinoid Model for Dissecting Microbial Community Interactions Across Scales.

Zoila I Alvarez-Aponte, Rebecca R Procknow, Michiko E Taga1

  • 1Department of Plant and Microbial Biology, University of California, Berkeley, California, USA;

Annual Review of Microbiology
|June 27, 2025
PubMed
Summary
This summary is machine-generated.

The corrinoid model offers a new way to study microbial communities and their interactions. This vitamin B12 cofactor influences microbial structure and function across various environments.

Keywords:
cobalamincobamidecorrinoidmicrobial interactionsmodel nutrientvitamin B12

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Area of Science:

  • Microbiology
  • Environmental Science
  • Biogeochemistry

Background:

  • Microbial communities significantly impact global nutrient cycling and host health.
  • Investigating complex microbial interactions is challenging due to species diversity and metabolic capabilities.

Purpose of the Study:

  • To introduce the corrinoid model for studying microbial community interactions across scales.
  • To highlight the role of corrinoids (vitamin B12) in shaping microbial communities.

Main Methods:

  • Review of existing literature on corrinoid biology and microbial community dynamics.
  • Application of the corrinoid model to understand interactions from individual microbes to natural communities.

Main Results:

  • Corrinoids, essential cofactors for numerous metabolic processes, are produced by only a subset of microbial species.
  • The distribution and utilization of corrinoids act as a key factor influencing microbial community structure and function.

Conclusions:

  • The corrinoid model provides a robust framework for investigating microbial community interactions.
  • Understanding corrinoid biology at different scales enhances our comprehension of microbial ecosystems and their global impact.