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Monoterpenes as potential antifungal molecules against cell membranes: and studies. | LitMetric

Monoterpenes as potential antifungal molecules against cell membranes: and studies.

J Biomol Struct Dyn

Medical Mycology Lab, Department of Biosciences, Jamia Millia Islamia, New Delhi, India.

Published: December 2023

AI Article Synopsis

Article Abstract

Azoles are the frequently used antifungal drugs that target the enzyme lanosterol 14 α-demethylase (erg11p). This enzyme plays a vital role in ergosterol biosynthesis and hence maintainenance of cell membrane fluidity and integrity. The emergence of resistance to azoles and their fungistatic nature against several fungal pathogens is the major challenge to combat invasive candidiasis. Therefore, there is an urgent need to discover new antifungals with better efficacy. This study targets erg11 protein using approach and identifies the monoterpene compounds (α-terpineol, carveol, and terpinene-4-ol) based on docking score and ligand interaction analysis. Further dynamic behavior of best-docked compounds with erg11p was analyzed by various parameters of MD simulation. The binding free energy of selected compounds towards the definitive pocket was also calculated. To further investigate the antifungal activity of selected compounds, studies were conducted on . Studies thus suggest that the proposed the mechanism of antifungal action of test compounds involves targeting the ergosterol biosynthetic pathway. The compounds were explored for their effect on the disruption of membrane integrity by studying gene expression analysis, scanning electron microscopy, PI uptake (fluorescence microscopy,) and H-extrusion. The results suggest that the selected monoterpenes are safer natural antifungals that disrupt membrane integrity by inhibiting ergosterol biosynthesis and other membrane associated structures.Communicated by Ramaswamy H. Sarma.

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Source
http://dx.doi.org/10.1080/07391102.2023.2294183DOI Listing

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