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Genotypic analysis of secreted aspartyl proteinases in vaginal Candida albicans isolates

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posted on 18.04.2018, 02:43 by Janaína S. Lima, Kaoane Regina G. S. Braga, Camila A. Vieira, Wérika Weryanne R. Souza, Juliana Helena Chávez-Pavoni, Claudinéia de Araújo, Letícia S. Goulart

ABSTRACT Introduction: Candida albicans is the most common etiologic agent of fungal vaginitis. These yeasts produce secreted aspartyl proteinases encoded by a family of 10 genes (SAP1-10). Objective: The purpose of this study was to analyze the presence of genes SAP1-7 in vulvovaginal C. albicans. Materials and method: The study included 26 C. albicans vaginal isolates. Detection of aspartyl proteases genes (SAP1-7) was performed by polymerase chain reaction (PCR). Results: The most frequent gene in C. albicans isolated from colonization was SAP6 (93.33%), and from infection, SAP7 (100%). We observed a statistical difference (p = 0.049) in SAP1 gene frequency between isolates from vulvovaginal colonization and infection. Conclusion: High frequency of SAP genes was observed in vulvovaginal C. albicans. The results suggest SAP1 participation in vulvovaginal candidiasis infection.

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