IngentaConnect Linking fungal morphogenesis with virulence

Authors: Rooney, Peggy J.¹; Klein, Bruce S.

Source: Cellular Microbiology, Volume 4, Number 3, March 2002 , pp. 127-137(11)

Abstract:

Summary

Pathogenic fungi have become an increasingly common cause of systemic disease in healthy people and those with impaired immune systems. Although a vast number of fungal species inhabit our planet, just a small number are pathogens, and one feature that links many of them is the ability to differentiate morphologically from mould to yeast, or yeast to mould. Morphological differentiation between yeast and mould forms has commanded attention for its putative impact on the pathogenesis of invasive fungal infections. This review explores the current body of evidence linking fungal morphogenesis and virulence. The topics addressed cover work on phase-locked fungal cells, expression of phase-specific virulence traits and modulation of host responses by fungal morphotypes. The effect of morphological differentiation on fungal interaction with host cells, immune modulation and the net consequence on pathogenesis of disease in animal model systems are considered. The evidence argues strongly that morphological differentiation plays a vital role in the pathogenesis of fungal infection, suggesting that factors associated with this conversion process represent promising therapeutic targets.

Document Type: Research article

DOI: 10.1046/j.1462-5822.2002.00179.x

Affiliations: 1: Departments of Medical Microbiology and Immunology,

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