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Updated: Sep 6, 2025

Infecting Mice with Malassezia spp. to Study the Fungus-Host Interaction
Published on: November 6, 2019
Malassezia virulence factors and their role in dermatological disorders
Ivan Kurniadi1, Wong Hendra Wijaya1, Kris Herawan Timotius2
1Department of Dermatology and Venereology, Faculty of Medicine and Health Sciences, Christian University of Krida Wacana (UKRIDA), Jakarta, Indonesia.
Abstract:
Malassezia is a commensal fungus that constitutes normal skin microbiota. However, in certain conditions and individuals, it may transform into a pathogenic yeast with multiple associated dermatological disorders and various clinical manifestations. This phenomenon is influenced by a unique host-agent interaction that triggers the production of several virulence factors, such as indoles, reactive oxygen species, azelaic acid, hyphae formation, and biofilm formation. This review article discusses Malassezia virulence factors that contribute to the transformation of Malassezia from commensal to pathogenic as well as their role in dermatological disorders, including pityriasis versicolor, seborrheic dermatitis, Malassezia folliculitis, atopic dermatitis, and psoriasis.
Insights
Malassezia fungus can shift from harmless skin commensal to a pathogen. This review explores its virulence factors and role in skin disorders like dermatitis and psoriasis.
Area of Science:
- Dermatology
- Mycology
- Microbiology
Background:
- Malassezia is a common skin fungus.
- It can cause various skin conditions when it becomes pathogenic.
- Host-pathogen interactions are key to this transformation.
Purpose of the Study:
- To review Malassezia virulence factors.
- To discuss their role in fungal pathogenicity.
- To link these factors to specific dermatological disorders.
Main Methods:
- Literature review of scientific articles.
- Analysis of Malassezia virulence factors.
- Correlation of factors with clinical manifestations.
Main Results:
- Malassezia produces virulence factors like indoles, ROS, azelaic acid, and biofilms.
- These factors contribute to its pathogenic potential.
- Virulence factors are implicated in pityriasis versicolor, seborrheic dermatitis, and other skin issues.
Conclusions:
- Malassezia virulence factors are crucial for its transition to pathogenicity.
- Understanding these factors aids in managing associated skin diseases.
- Further research into host-agent interactions is warranted.
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