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Updated: Mar 17, 2026

Quantifying the Antifungal Activity of Peptides Against Candida albicans
Published on: January 13, 2023
Antimicrobial Peptides as a Strategy to Combat Fungal Biofilms
Nicolas Delattin, Katrijn De Brucker, Kaat De Cremer
1Centre of Microbial and Plant Genetics, Faculty of Bioscience Engineering, KU Leuven, Kasteelpark Arenberg 20, box 2460, 3001 Heverlee, Belgium.
Abstract:
Invasive fungal infections caused by opportunistic fungal pathogens are associated with high mortality rates, mainly due to the occurrence of genotypic and/or phenotypic resistance. One of the causes of phenotypic resistance is the preferred growth of various fungal pathogens as biofilms, which are tolerant or resistant to most classes of antifungal agents. Moreover, increasing evidence points to biofilm formation as a general prerequisite for the development of systemic infections. Therefore, new antibiofilm agents are urgently needed to reduce the incidence of biofilm-associated infections. Nowadays, antimicrobial peptides (AMPs) are considered as valuable alternatives for or complements to the classical antifungal agents to combat fungal infections. Many review reports describe activity of AMPs against free-living planktonic fungal pathogens. In contrast, this review summarizes the antibiofilm properties of natural or synthetic AMPs against fungal biofilms and their potential to enhance the antibiofilm activity of existing antifungal agents.
Insights
Antimicrobial peptides (AMPs) show promise in combating fungal infections by targeting biofilms, which cause resistance to antifungal drugs. This review explores AMPs
Area of Science:
- Mycology
- Infectious Diseases
- Pharmacology
Background:
- Invasive fungal infections pose a significant threat due to high mortality rates linked to drug resistance.
- Fungal biofilms contribute to phenotypic resistance, tolerating or resisting antifungal agents and promoting systemic infections.
- Existing antifungal treatments are often ineffective against biofilms, necessitating novel therapeutic strategies.
Purpose of the Study:
- To review the antibiofilm properties of antimicrobial peptides (AMPs) against fungal biofilms.
- To explore the potential of AMPs in enhancing the efficacy of conventional antifungal agents.
Main Methods:
- Comprehensive literature review of studies investigating AMPs against fungal biofilms.
- Analysis of natural and synthetic AMPs for their antibiofilm mechanisms and effectiveness.
- Evaluation of AMPs' synergistic effects with existing antifungal drugs.
Main Results:
- Antimicrobial peptides (AMPs) demonstrate significant activity against various fungal biofilms.
- AMPs can disrupt biofilm structure and inhibit fungal growth within biofilms.
- AMPs show potential to potentiate the activity of established antifungal agents.
Conclusions:
- Antimicrobial peptides (AMPs) represent a promising therapeutic avenue for treating biofilm-associated fungal infections.
- AMPs can serve as valuable alternatives or adjuncts to current antifungal therapies.
- Further research into AMPs is crucial for developing new strategies against resistant fungal pathogens.
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