Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival

The thermally dimorphic fungi are a unique group of fungi within the Ascomycota phylum that respond to shifts in temperature by converting between hyphae (22–25°C) and yeast (37°C). This morphologic switch, known as the phase transition, defines the biology and lifestyle of these fungi. The conversi...

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Main Author: Gregory M. Gauthier
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1155/2017/8491383
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author Gregory M. Gauthier
author_facet Gregory M. Gauthier
author_sort Gregory M. Gauthier
collection DOAJ
description The thermally dimorphic fungi are a unique group of fungi within the Ascomycota phylum that respond to shifts in temperature by converting between hyphae (22–25°C) and yeast (37°C). This morphologic switch, known as the phase transition, defines the biology and lifestyle of these fungi. The conversion to yeast within healthy and immunocompromised mammalian hosts is essential for virulence. In the yeast phase, the thermally dimorphic fungi upregulate genes involved with subverting host immune defenses. This review highlights the molecular mechanisms governing the phase transition and recent advances in how the phase transition promotes infection.
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spelling doaj-art-e74366d379854e9d8b004b81479f31552025-02-03T05:59:57ZengWileyMediators of Inflammation0962-93511466-18612017-01-01201710.1155/2017/84913838491383Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo SurvivalGregory M. Gauthier0Department of Medicine, Division of Infectious Diseases, University of Wisconsin School of Medicine & Public Health, Madison, WI, USAThe thermally dimorphic fungi are a unique group of fungi within the Ascomycota phylum that respond to shifts in temperature by converting between hyphae (22–25°C) and yeast (37°C). This morphologic switch, known as the phase transition, defines the biology and lifestyle of these fungi. The conversion to yeast within healthy and immunocompromised mammalian hosts is essential for virulence. In the yeast phase, the thermally dimorphic fungi upregulate genes involved with subverting host immune defenses. This review highlights the molecular mechanisms governing the phase transition and recent advances in how the phase transition promotes infection.http://dx.doi.org/10.1155/2017/8491383
spellingShingle Gregory M. Gauthier
Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival
Mediators of Inflammation
title Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival
title_full Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival
title_fullStr Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival
title_full_unstemmed Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival
title_short Fungal Dimorphism and Virulence: Molecular Mechanisms for Temperature Adaptation, Immune Evasion, and In Vivo Survival
title_sort fungal dimorphism and virulence molecular mechanisms for temperature adaptation immune evasion and in vivo survival
url http://dx.doi.org/10.1155/2017/8491383
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