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Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy
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Distinguishing among evolutionary and ecological processes shaping microbiome dynamics.

Tiffany N Batarseh1,2, Britt Koskella1,2

  • 1Department of Integrative Biology, University of California Berkeley, Berkeley, CA 94710, United States.

The ISME Journal
|May 23, 2025
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Summary
This summary is machine-generated.

Microbial communities blur the lines between ecological and evolutionary dynamics due to similar timescales. This review explores methods to differentiate these processes, aiding microbiome prediction and manipulation.

Keywords:
bacteriaecologyevolutiongenomesmetagenomicsmicrobial functionmicrobiomes

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Area of Science:

  • Microbiology
  • Evolutionary Biology
  • Ecology

Background:

  • Evolution involves changes in allele frequency over time due to neutral processes or selection.
  • Ecological dynamics describe changes in population densities, species distributions, interactions, and abundances.
  • Microbial community dynamics can obscure the distinction between ecological and evolutionary processes due to similar timescales.

Purpose of the Study:

  • To review forces generating bacterial genetic diversity.
  • To describe approaches for studying bacterial evolution.
  • To explore how current methodologies can differentiate ecological and evolutionary processes in microbial communities.

Main Methods:

  • Review of forces driving genetic diversity in bacterial genomes.
  • Analysis of methodologies for studying bacterial evolution in various systems.
  • Exploration of longitudinal microbiome studies and experimental evolution.

Main Results:

  • Common microbiome study methods often fail to distinguish between population-level ecological changes and strain-level evolutionary changes.
  • Newer sequencing approaches offer improved resolution for studying microbial dynamics.
  • Longitudinal studies and experimental evolution provide insights into microbial community processes.

Conclusions:

  • Differentiating ecological and evolutionary processes in microbial communities is crucial but challenging.
  • Advances in sequencing and methodology enhance our ability to study these processes.
  • Improved understanding will facilitate better prediction and manipulation of microbiomes.