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Updated: Feb 23, 2026

Whole Genome Sequencing of Candida glabrata for Detection of Markers of Antifungal Drug Resistance
Published on: December 28, 2017
Molecular Evolution of Antifungal Drug Resistance
Nicole Robbins1, Tavia Caplan1, Leah E Cowen1
1Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5G 1M1, Canada; email: nicole.robbins@utoronto.ca , tavia.caplan@mail.utoronto.ca , leah.cowen@utoronto.ca.
Abstract:
The fungal pathogens Candida albicans, Cryptococcus neoformans, and Aspergillus fumigatus have transitioned from a rare curiosity to a leading cause of human mortality. The management of infections caused by these organisms is intimately dependent on the efficacy of antifungal agents; however, fungi that are resistant to these treatments are regularly isolated in the clinic, impeding our ability to control infections. Given the significant impact fungal pathogens have on human health, it is imperative to understand the molecular mechanisms that govern antifungal drug resistance. This review describes our current knowledge of the mechanisms by which antifungal drug resistance evolves in experimental populations and clinical settings. We explore current antifungal treatment options and discuss promising strategies to impede the evolution of drug resistance. By tackling antifungal drug resistance as an evolutionary problem, there is potential to improve the utility of current treatments and accelerate the development of novel therapeutic strategies.
Insights
Antifungal drug resistance in fungal pathogens like Candida albicans is a growing threat. Understanding resistance evolution is key to developing new treatments and improving current antifungal therapies.
Area of Science:
- Medical Mycology
- Evolutionary Biology
- Infectious Diseases
Background:
- Fungal pathogens (Candida albicans, Cryptococcus neoformans, Aspergillus fumigatus) are increasingly causing human mortality.
- Antifungal drug resistance is a significant clinical challenge, hindering infection control.
- Understanding the molecular mechanisms of antifungal resistance is crucial for public health.
Purpose of the Study:
- To review current knowledge on antifungal drug resistance mechanisms in fungi.
- To explore how resistance evolves in both experimental and clinical settings.
- To discuss strategies for impeding the evolution of antifungal resistance.
Main Methods:
- Literature review of experimental and clinical studies on antifungal resistance.
- Analysis of molecular mechanisms underlying drug resistance in key fungal pathogens.
- Evaluation of current antifungal treatments and emerging therapeutic strategies.
Main Results:
- Fungal pathogens exhibit diverse mechanisms of antifungal drug resistance.
- Antifungal resistance evolves through various evolutionary pathways in vitro and in vivo.
- Current antifungal treatments face challenges due to emerging resistance.
Conclusions:
- Tackling antifungal drug resistance as an evolutionary problem offers improved treatment utility.
- Developing novel therapeutic strategies is essential to combat resistant fungal infections.
- Further research into resistance evolution will enhance antifungal drug efficacy.
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