Induction of Antifungal Tolerance Reveals Genetic and Phenotypic Changes in <i>Candida glabrata</i>.

ABSTRACT: Candida glabrata is an opportunistic, pathogenic fungus that is increasingly isolated from hospitalized patients. The incidence of drug tolerance, heteroresistance, and resistance is on the rise due to an overuse of antifungal drugs. The aim of this study was to expose a sensitive C. glabrata strain to sequentially increasing concentrations of two antifungal drugs, fluconazole, an azole that targets ergosterol biosynthesis, or caspofungin, an echinocandin that targets cell wall glucan synthesis. Analysis of the drug-exposed isolates showed development of antifungal tolerance, chromosomal abnormalities, decreased adhesion, attenuated virulence, and an increase in efflux pump activity. Furthermore, whole genome sequencing of all isolates exposed to different concentrations of f

SUBMITTER: Chedraoui C 

PROVIDER: S-EPMC12028409 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature