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Updated: Feb 2, 2026
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Production and Detection of Reactive Oxygen Species ROS in Cancers
Published on: November 21, 2011
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Fungal responses to reactive oxygen species
Jesús Aguirre1, Wilhelm Hansberg2, Rosa Navarro3
1Departamento de Genética Molecular.
Medical Mycology
|November 10, 2018
Summary
Fungi use reactive oxygen species (ROS) and antioxidant responses to fight infections. This review details ROS-scavenging mechanisms and signaling pathways in fungi, crucial for understanding fungal virulence and pathogenesis.
Area of Science:
- Microbiology
- Biochemistry
- Cell Biology
Background:
- Reactive oxygen species (ROS) are vital in host-pathogen interactions, influencing fungal infections.
- Fungal antioxidant responses are critical for survival and virulence against host defenses.
Purpose of the Study:
- To review antioxidant mechanisms and signal transduction in fungi.
- To explore the role of ROS in fungal virulence and pathogenesis.
Main Methods:
- Literature review focusing on enzyme and non-enzyme mediated antioxidant mechanisms.
- Comparative analysis of antioxidant responses in Schizosaccharomyces pombe, Aspergillus nidulans, and Aspergillus fumigatus.
Main Results:
- Fungal antioxidant systems involve complex signaling pathways, including phosphorelays and MAP kinase cascades.
- Filamentous fungi possess additional ROS-handling mechanisms compared to unicellular fungi, such as increased sensor kinases and antioxidant metabolites.
- NADPH oxidases in filamentous fungi regulate development and pathogenesis via ROS production.
Conclusions:
- Antioxidant responses are key determinants of fungal virulence.
- Understanding ROS interplay with fungal development and pathogenesis is crucial for developing antifungal strategies.
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