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Clarifying and Imaging Candida albicans Biofilms
Published on: March 6, 2020
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Face/Off: The Interchangeable Side of Candida Albicans
Fabien Cottier1, Rebecca A Hall1,2
1School of Biosciences, Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom.
Frontiers in Cellular and Infection Microbiology
|February 13, 2020
Summary
Candida albicans adapts to environmental changes by altering its cell wall. This remodeling influences how immune cells recognize the fungus, impacting the host immune response.
Area of Science:
- Microbiology
- Immunology
- Cell Biology
Background:
- Fungi like Candida albicans adapt to environmental changes through various mechanisms.
- Morphological switching (yeast to hyphae) is a key response, regulated by cAMP-PKA and MAPK pathways.
- Fungal cell wall remodeling is a newly identified strategy for immune system manipulation.
Purpose of the Study:
- To review mechanisms of Candida albicans response to environmental changes.
- To elucidate how these responses affect immune recognition.
- To highlight the role of cell wall remodeling in host-pathogen interactions.
Main Methods:
- Literature review of studies on Candida albicans environmental responses.
- Analysis of signaling pathways (cAMP-PKA, MAPK) involved in morphological changes.
- Examination of fungal cell wall composition (chitin, β-glucan, mannans) and its role in immune cell interaction.
Main Results:
- Candida albicans alters its cell wall composition in response to environmental cues.
- Exposure of pathogen-associated molecular patterns (PAMPs) like β-glucan, mannan, and chitin is regulated.
- Chitin can induce anti-inflammatory responses, while β-glucan and mannan are proinflammatory.
Conclusions:
- Candida albicans manipulates the innate immune system through cell wall remodeling.
- Environmental sensing dictates the exposure of PAMPs, modulating host immune responses.
- Understanding these mechanisms is crucial for developing strategies against Candida albicans infections.
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