Fungal Ecology on a Changing Planet

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Environmental Microbiology".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 487

Special Issue Editors


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Guest Editor
Department of Phytopathology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil
Interests: microbial ecology; soil microbiology; yeast diversity

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Guest Editor Assistant
Department of Civil, Construction & Environmental Engineering and Center for Water and the Environment, University of New Mexico, Albuquerque, NM, USA
Interests: fungi; biogeochemistry; environmental microbiology; mycoremediation; microbial ecology; environmental biosensing

Special Issue Information

Dear Colleagues,

Fungi are ancient and highly diverse eukaryotic organisms, with an estimated 5 million species ranging from unicellular and microfungi to macroscopic forms such as mushrooms. As key players in atmospheric, aquatic, and terrestrial ecosystems, fungi drive essential ecological processes through symbiotic interactions and nutrient cycling. Their diversity and metabolic versatility underpin critical ecosystem functions, including plant biomass production, organic matter decomposition, carbon storage, and pathogen resistance.

However, global environmental change is reshaping ecosystems at an unprecedented pace, exposing fungal communities to multiple stressors. Climate change, pollution, habitat disturbance, and shifting nutrient cycles are altering fungal diversity and ecological functions, with cascading effects on ecosystem stability and resilience. Fungi are highly responsive to these disruptions, rapidly sensing environmental changes and modulating their metabolic networks to survive and adapt. Yet, the loss of fungal diversity due to human-driven pressures threatens ecosystem functions reliant on fungal-driven processes.

This Special Issue invites research and review articles exploring fungal ecology in a changing planet. We welcome studies that address, but are not limited to:

(i) Fungal diversity and ecological responses to environmental and human-driven stressors

(ii) Fungal tolerance to extreme conditions (e.g., heavy metals, organic pollutants, heat, salinity)

(iii) Metabolic and physiological adaptations of fungi under environmental stress

(iv) Conceptual frameworks linking fungal biodiversity to ecosystem functioning or linking fungal genes to traits under changing environments

(v) Mycoremediation strategies for mitigating environmental contamination

By advancing our understanding of fungal responses to global change, this Special Issue aims to highlight the ecological significance of fungi and their potential applications in ecosystem restoration and bioremediation.

Dr. Helson Mario Martins Do Vale
Guest Editor

Dr. Geisianny Moreira
Guest Editor Assistant

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Keywords

  • fungi diversity
  • fungal functional guilds
  • fungal tolerance
  • ecosystem functioning
  • environmental stressors
  • environmental contamination
  • global environmental change
  • fungal stress response
  • fungal ecology
  • fungal-driven processes
  • mycoremediation
  • fungal resilience
  • fungal adaptation
  • fungal responses to climate change

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Published Papers (1 paper)

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Research

18 pages, 1270 KiB  
Article
Litter Decomposition in Pacific Northwest Prairies Depends on Fire, with Differential Responses of Saprotrophic and Pyrophilous Fungi
by Haley M. Burrill, Ellen B. Ralston, Heather A. Dawson and Bitty A. Roy
Microorganisms 2025, 13(8), 1834; https://doi.org/10.3390/microorganisms13081834 - 6 Aug 2025
Viewed by 323
Abstract
Fungi contribute to ecosystem function through nutrient cycling and decomposition but may be affected by major disturbances such as fire. Some ecosystems are fire-adapted, such as prairies which require cyclical burning to mitigate woody plant encroachment and reduce litter. While fire suppresses fire-sensitive [...] Read more.
Fungi contribute to ecosystem function through nutrient cycling and decomposition but may be affected by major disturbances such as fire. Some ecosystems are fire-adapted, such as prairies which require cyclical burning to mitigate woody plant encroachment and reduce litter. While fire suppresses fire-sensitive fungi, pyrophilous fungi may continue providing ecosystem functions. Using litter bags, we measured the litter decomposition at three prairies with unburned and burned sections, and we used Illumina sequencing to examine litter communities. We hypothesized that (H1) decomposition would be higher at unburned sites than burned, (H2) increased decomposition at unburned sites would be correlated with higher overall saprotroph diversity, with a lower diversity in autoclaved samples, and (H3) pyrophilous fungal diversity would be higher at burned sites and overall higher in autoclaved samples. H1 was not supported; decomposition was unaffected by burn treatments. H2 and H3 were somewhat supported; saprotroph diversity was lowest in autoclaved litter at burned sites, but pyrophilous fungal diversity was the highest. Pyrophilous fungal diversity significantly contributed to litter decomposition rates, while saprotroph diversity did not. Our findings indicate that fire-adapted prairies host a suite of pyrophilous saprotrophic fungi, and that these fungi play a primary role in litter decomposition post-fire when other fire-sensitive fungal saprotrophs are less abundant. Full article
(This article belongs to the Special Issue Fungal Ecology on a Changing Planet)
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