Resistance in the Environmental Pathogenic Fungus Aspergillus fumigatus

Takahito Toyotome1,2,3

  • 1Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine.

Medical Mycology Journal
|September 3, 2019
PubMed

Insights

Azole-resistant Aspergillus fumigatus is emerging due to agricultural fungicide use. Human activities significantly contribute to the global spread of this opportunistic pathogen.

Area of Science:

  • Environmental microbiology
  • Medical mycology
  • Fungal genetics

Background:

  • Aspergillus fumigatus is a ubiquitous opportunistic fungal pathogen.
  • Emergence of azole-resistant strains poses a significant public health threat.
  • Fungicide use in agriculture is a suspected driver of azole resistance.

Purpose of the Study:

  • To review the human relationship with Aspergillus fumigatus in environmental settings.
  • To investigate the role of anthropogenic activities in the global dissemination of A. fumigatus.
  • To discuss the implications of azole resistance in A. fumigatus.

Main Methods:

  • Literature review of environmental microbiology and mycology studies.
  • Analysis of agricultural practices and their link to fungicide resistance.
  • Review of epidemiological data on Aspergillus fumigatus spread.

Main Results:

  • Azole resistance in A. fumigatus is increasingly detected in environmental samples.
  • Agricultural fungicide application is strongly correlated with the selection of resistant strains.
  • Human activities, including global trade and travel, facilitate the worldwide spread.

Conclusions:

  • Anthropogenic factors are critical in the emergence and spread of azole-resistant Aspergillus fumigatus.
  • Understanding these factors is crucial for developing effective control strategies.
  • Continued monitoring and research are necessary to mitigate the impact of resistant fungal infections.

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