Inhibition of Virulence Associated Traits by β-Sitosterol Isolated from Hibiscus rosa-sinensis Flowers Against Candida albicans: Mechanistic Insight and Molecular Docking Studies.
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Abstract
The emerging drug resistance and lack of safer and more potent antifungal agents make Candida infections another hot topic in the healthcare system. At the same time, the potential of plant products in developing novel antifungal drugs is also in the limelight. Considering these facts, we have investigated the different extracts of the flowers of Hibiscus rosa-sinensis of the Malvaceae family for their antifungal efficacy against five different pathogenic Candida strains. Among the various extracts, the chloroform extract showed the maximum zone of inhibition (26.6 ± 0.5 mm) against the Candida albicans strain. Furthermore, the chloroform fraction was isolated, and a sterol compound was identified as β-sitosterol. Mechanistic studies were conducted to understand the mechanism of action, and the results showed that β-sitosterol has significant antifungal activity and is capable of interrupting biofilm formation and acts by inhibiting ergosterol biosynthesis in Candida albicans cells. Microscopic and molecular docking studies confirmed these findings. Overall, the study validates the antifungal efficacy of Candida albicans due to the presence of β-sitosterol which can act as an effective constituent for antifungal drug development individually or in combination.
期刊介绍：
Publishes papers that deal with research on microorganisms, including archaea, bacteria, yeasts, fungi, microalgae, protozoa, and simple eukaryotic microorganisms. Topics considered for publication include Microbial Systematics, Evolutionary Microbiology, Microbial Ecology, Environmental Microbiology, Microbial Genetics, Genomics, Molecular Biology, Microbial Physiology, Biochemistry, Microbial Pathogenesis, Host-Microbe Interaction, Systems Microbiology, Synthetic Microbiology, Bioinformatics and Virology. Manuscripts dealing with simple identification of microorganism(s), cloning of a known gene and its expression in a microbial host, and clinical statistics will not be considered for publication by JM.
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