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Fungal Pathogens: Shape-Shifting Invaders

Kyunghun Min1, Aaron M Neiman2, James B Konopka1

  • 1Department of Microbiology and Immunology, Stony Brook University, Stony Brook, NY, USA.

Trends in Microbiology
|June 1, 2020
PubMed

Insights

Fungal infections are increasing. This review explores how fungal shape-shifting (morphogenesis) impacts their virulence and spread in humans, aiding in understanding and combating these infections.

Area of Science:

  • Medical Mycology
  • Pathogenesis Research
  • Microbial Morphology

Background:

  • Rising incidence of fungal infections linked to immunocompromised patients, microbiome disruption, and indwelling medical devices.
  • Understanding fungal pathogenesis requires knowledge of how morphology influences virulence.
  • Fungal pathogens exhibit diverse strategies based on cell shape (budding vs. hyphal).

Purpose of the Study:

  • To review shape-shifting alterations in human fungal pathogens.
  • To elucidate how these morphological changes influence virulence strategies.
  • To highlight the importance of monitoring fungal morphology within the host environment.

Main Methods:

  • Literature review of fungal pathogenesis and morphogenesis.
  • Analysis of studies on fungal shape-shifting in host-pathogen interactions.
  • Synthesis of current knowledge on morphology-virulence relationships.

Main Results:

  • Fungal pathogens dynamically alter their morphology to adapt to host environments.
  • Morphological changes are critical for dissemination, nutrient acquisition, and immune evasion.
  • Different fungal shapes (e.g., budding cells, hyphae) employ distinct virulence mechanisms.

Conclusions:

  • Fungal morphogenesis is a key determinant of virulence in human pathogens.
  • Targeting shape-shifting mechanisms could offer novel therapeutic strategies.
  • Further research into host-pathogen interactions and fungal morphology is crucial.
Keywords:
capsuleconidiafungalhyphaemorphogenesispseudohyphaeyeast

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