Cryptococcus

Sydney L Briner1, Tamara L Doering1

  • 1Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63108, USA.

Current Biology : CB
|June 10, 2025
PubMed

Insights

Fungal pathogens cause millions of deaths annually, with limited treatments and emerging threats from climate change. Cryptococcus neoformans is a critical priority pathogen requiring urgent attention.

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Public Health

Background:

  • Fungal pathogens are a significant, underrecognized global health threat, causing millions of deaths yearly.
  • Effective and accessible antifungal treatments are scarce, particularly in resource-limited regions.
  • Opportunistic fungal infections primarily affect immunocompromised individuals, complicating treatment strategies.

Purpose of the Study:

  • To highlight the escalating threat of fungal pathogens, emphasizing the need for greater recognition and research.
  • To discuss the fundamental biology of Cryptococcus neoformans, a critical priority pathogen.
  • To address challenges in combating fungal infections, including limited antifungals and climate change impacts.

Main Methods:

  • This primer reviews existing literature on fungal pathogenesis and Cryptococcus neoformans biology.
  • It synthesizes information on the impact of climate change on fungal thermotolerance.
  • It discusses the World Health Organization's classification of priority fungal pathogens.

Main Results:

  • Cryptococcus neoformans is identified as a critical priority pathogen by the WHO.
  • Climate change is increasing fungal thermotolerance, potentially leading to new and intensified threats.
  • The complexity of treating fungal infections is exacerbated by opportunistic behavior and limited therapeutic options.

Conclusions:

  • Urgent attention and research are needed to combat the growing threat of fungal pathogens.
  • Understanding the biology of pathogens like Cryptococcus neoformans is crucial for developing effective interventions.
  • Addressing global health challenges posed by fungi requires improved antifungal accessibility and climate change mitigation strategies.

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