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Genotype of Candida species associated with different conditions of vulvovaginal candidosis.

Lian C, Zhao J, Zhang Z, Liu W

Department of Medical Mycology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing City, China.

It is unknown whether strains isolated from recurrent vulvovaginal candidosis (RVVC), vulvovaginal candidosis (VVC) and asymptomatic carriers are varying or not in genotyping. Candida isolates were genotyped to determine whether specific types were associated with RVVC and VVC. A total of 97 Candida isolates from RVVC patients (n = 43), from VVC patients (n = 47) and asymptomatic carriers (n = 7) were identified by germ tube test, chlamydospore test, CHROMagar Candida and API20 system and were genotyped by polymerase chain reaction (PCR) fingerprinting employing random amplification of polymorphic DNA (RAPD) assay with nine random primers screened. The RAPD identified distinct genotypes that were shared among isolates from most different individuals. Most of the 85 C. albicans strains failed to corroborate any obvious differences in the genotypic variability in the VVC, RVVC patient groups and carriers by clustering analysis. Only a few individuals were found to harbor a distinct genotype of C. albicans isolates associated with a specific disease condition.

Published 16 December 2004 in Mycoses, 47(11): 495-502.
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