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Updated: Oct 12, 2025

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Functional soil mycobiome across ecosystems.

Maysa Lima Parente Fernandes1, Felipe Bastida2, Nico Jehmlich3

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|November 24, 2021
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Summary
This summary is machine-generated.

Soil fungal protein diversity varies across global ecosystems. Soil carbon, plant cover, temperature, and pH influence fungal community structure and function, impacting ecosystem services.

Keywords:
MetabarcodingMetaproteomicsPLFASoilfungi

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Area of Science:

  • Soil microbiology
  • Ecology
  • Biogeochemistry

Background:

  • Fungi are crucial for ecosystem processes like decomposition and plant interactions.
  • Factors influencing fungal metaproteomes (the complete set of fungal proteins) in soil are poorly understood.
  • Soil fungal communities play a vital role in ecosystem services and are sensitive to climate change.

Purpose of the Study:

  • To investigate the factors driving soil fungal metaproteome structure and function across diverse global ecosystems.
  • To explore the relationships between fungal biomass, community composition, and functional profiles with edaphic and environmental variables.
  • To assess the utility of metaproteomics for understanding functional soil microbiomes.

Main Methods:

  • Field survey across forests, grasslands, and shrublands globally.
  • Measurement of fungal biomass using phospholipid fatty acids (PLFA).
  • Analysis of fungal community composition via 18S rRNA gene metabarcoding.
  • Determination of functional profiles using soil metaproteomics.

Main Results:

  • Protein richness of soil fungi was significantly higher in forests than in shrublands.
  • Soil carbon content and plant cover influenced fungal protein evenness and diversity.
  • Mean annual temperature and pH correlated with fungal protein richness.
  • Fungal functions shifted from metabolism in forests to information processing/storage in shrublands.

Conclusions:

  • Metaproteomics provides valuable insights into functional soil microbiomes and fungal community responses to environmental changes.
  • Edaphic and environmental factors, including soil carbon, plant cover, temperature, and pH, significantly shape soil fungal metaproteomes.
  • Understanding these drivers is crucial for predicting fungal contributions to ecosystem services under future climate scenarios.