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Related Experiment Video

Updated: Jun 27, 2025

Characterizing Microbiome Dynamics – Flow Cytometry Based Workflows from Pure Cultures to Natural Communities
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Quantifying microbial guilds.

Juan Rivas-Santisteban1, Pablo Yubero2, Semidán Robaina-Estévez3

  • 1Microbiome Analysis Laboratory, Centro Nacional de Biotecnología (CNB), CSIC, Calle Darwin no. 3, Madrid, 28049, Spain.

ISME Communications
|May 6, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a quantitative method to define microbial guilds using metagenomic data, improving our understanding of microbial community functions and ecological roles. The approach quantifies functional implementations, offering new insights into microbial ecology.

Keywords:
ammonia oxidationfunctional ecologymicrobial ecologymicrobial guildsphylogeneticspolyamine uptake

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Area of Science:

  • Microbial Ecology
  • Metagenomics
  • Bioinformatics

Background:

  • Microorganisms play critical ecological roles through diverse environmental interactions.
  • Assessing individual taxonomic group contributions is challenging despite high-throughput data, limiting comprehension of microbial systems.

Purpose of the Study:

  • To propose a quantitative definition of microbial guilds applicable to metagenomic data.
  • To focus on the functional character and diversifying nature of protein sequences for guild assessment.

Main Methods:

  • Developed a framework to discriminate functional sequences within gene annotations.
  • Quantified guild composition by analyzing functional implementations across environments.
  • Differentiated functional implementations based on sequence spaces and functional execution.

Main Results:

  • Proposed a novel quantitative definition for microbial guilds.
  • Demonstrated that orthology delineation does not always align with distinct functional implementations.
  • Applied the framework to ammonia oxidation and polyamine uptake guilds, revealing new marine ecosystem dynamics.

Conclusions:

  • Guild quantification enhances the assessment of functional roles for different taxonomic groups in microbial communities.
  • The proposed framework offers profound implications for studying complex microbial ecosystems.
  • Identified novel ecological dynamics for polyamine uptake guilds in marine environments.