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Updated: Aug 24, 2026

An Optimized Protocol for Candida albicans Infection in Schmidtea mediterranea to Study Fungal Pathogenesis and Host Defense
Published on: April 17, 2026
Surface glycans of Candida albicans and other pathogenic fungi: physiological roles, clinical uses, and experimental
1Department of Pathology, University of Virginia, Charlottesville, Virginia 22908-0904, USA. jm2n@virginia.edu
Abstract:
Although fungi have always been with us as commensals and pathogens, fungal infections have been increasing in frequency over the past few decades. There is a growing body of literature describing the involvement of carbohydrate groups in various aspects of fungal disease. Carbohydrates comprising the cell wall or capsule, or as a component of glycoproteins, are the fungal cell surface entities most likely to be exposed to the surrounding environment. Thus, the fungus-host interaction is likely to involve carbohydrates before DNA, RNA, or even protein. The interaction between fungal and host cells is also complex, and early studies using whole cells or crude cell fractions often produced seemingly conflicting results. What was needed, and what has been developing, is the ability to identify specific glycan structures and determine how they interact with immune system components. Carbohydrate analysis is complicated by the complexity of glycan structures and by the challenges of separating and detecting carbohydrates experimentally. Advances in carbohydrate chemistry have enabled us to move from the foundation of composition analysis to more rapid characterization of specific structures. This, in turn, will lead to a greater understanding of how fungi coexist with their hosts as commensals or exist in conflict as pathogens.
Insights
Fungal infections are rising, with cell surface carbohydrates playing a key role in fungus-host interactions. Advances in carbohydrate analysis are crucial for understanding fungal diseases and their mechanisms.
Area of Science:
- Mycology
- Immunology
- Carbohydrate Chemistry
Background:
- Fungal infections are increasing, necessitating a deeper understanding of fungal pathogenesis.
- Fungal cell surface carbohydrates are critical mediators of fungus-host interactions.
- Previous research using whole cells or crude fractions yielded complex and conflicting results.
Purpose of the Study:
- To highlight the importance of specific glycan structures in fungal disease.
- To emphasize the need for advanced methods to identify and analyze fungal carbohydrates.
- To elucidate the role of carbohydrates in fungus-host interactions and immune responses.
Main Methods:
- Review of literature on fungal cell surface carbohydrates and their roles in disease.
- Discussion of challenges in carbohydrate analysis, including structural complexity and detection.
- Highlighting advances in carbohydrate chemistry for structural characterization.
Main Results:
- Fungal cell surface carbohydrates, including those in cell walls and capsules, are primary interactors with host systems.
- Specific glycan structures are key to understanding fungal virulence and host immune evasion.
- Advancements in analytical techniques allow for more precise characterization of fungal glycans.
Conclusions:
- Understanding specific fungal glycan structures is essential for deciphering fungus-host interactions.
- Improved carbohydrate analysis techniques are vital for advancing the study of fungal diseases.
- This knowledge will enhance our comprehension of fungi as both commensals and pathogens.
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