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Updated: Mar 19, 2026

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks
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Mapping microbial symbiont impacts using ecological networks.

Marina Morente1, Talya D Hackett2, Ailsa H C McLean1

  • 1Department of Biology, University of Oxford, Oxford, UK.

Trends in Ecology & Evolution
|March 18, 2026
PubMed
Summary
This summary is machine-generated.

Microbial symbionts profoundly impact host biology and ecological interactions. Ecological network analysis reveals how these microbes drive community dynamics and evolution, offering new research avenues.

Keywords:
facultative symbiontshost–symbiont interactionsindirect effectsinsect communitiesmultilayer networks

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Area of Science:

  • Ecology
  • Microbiology
  • Network Analysis

Background:

  • Microbial symbionts significantly influence host organisms.
  • Integrating microbial effects into community ecology is challenging.
  • Insect-facultative symbiont systems offer a tractable model.

Purpose of the Study:

  • To demonstrate how ecological network analysis can reveal microbial impacts on community interactions.
  • To provide a framework for understanding symbiont-driven ecological and evolutionary dynamics.

Main Methods:

  • Utilized insect-facultative symbiont systems.
  • Applied ecological network analyses, including multilayer networks.
  • Incorporated stochastic coextinction models and interaction rewiring.

Main Results:

  • Ecological network analysis can uncover hidden microbial influences on macroorganism interactions.
  • Symbionts can alter the strength, direction, and presence of ecological interactions.
  • The study provides a road map for future research.

Conclusions:

  • Microbial symbionts are crucial drivers of ecological and evolutionary processes.
  • Network analysis is a powerful tool for integrating microbes into community ecology.
  • This approach opens new avenues for studying microbial impacts on ecosystems.