Phenotypic switch: The enigmatic white-gray-opaque transition system of Candida albicans

represents the most common commensal and opportunistic fungal pathogen colonizing humans. As a member of the normal microflora, it is present on the skin and the mucous membranes of the upper respiratory tract, gastrointestinal tract and female genital tracts. It is therefore not transmitted. It lie...

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Veröffentlicht in:Journal of oral and maxillofacial pathology : JOMFP 2017-01, Vol.21 (1), p.82-86
Hauptverfasser: Bommanavar, Sushma Basavaraj, Gugwad, Sachin, Malik, Neelima
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Malik, Neelima
description represents the most common commensal and opportunistic fungal pathogen colonizing humans. As a member of the normal microflora, it is present on the skin and the mucous membranes of the upper respiratory tract, gastrointestinal tract and female genital tracts. It is therefore not transmitted. It lies in wait for a change in some aspect of the host physiology that normally suppress growth and invasiveness through an enigmatic phenomenon called Phenotypic Switch System or White-Opaque Transition. This system involves reversible and heritable switching between alternative cellular phenotypes. White-opaque switching in was first discovered in 1987. This was initially identified in strain WO-1. Switching has been demonstrated to occur at sites of infection and to occur between recurrent episodes of infection in select cases esp. AIDS and diabetes.
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subjects Acquired immune deficiency syndrome
AIDS
Antigens
Candida albicans
Dendritic cells
Diabetes mellitus
Gastrointestinal tract
Gene expression
Genetic aspects
Genotype & phenotype
Health aspects
Immune system
Infections
Invasiveness
Metabolism
Microbiota
Morphology
Neutrophils
Opportunist infection
Pathogenesis
Phenotypes
Recurrent infection
Respiratory tract
Review
Skin
Virulence (Microbiology)
title Phenotypic switch: The enigmatic white-gray-opaque transition system of Candida albicans
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