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Antifungal Activity of Resveratrol Derivatives against Candida Species

Abstract :

trans-Resveratrol (1a) is a phytoalexin produced by plants in response to infections by pathogens. Its potential activity against clinically relevant opportunistic fungal pathogens has previously been poorly investigated. Evaluated herein are the candidacidal activities of oligomers (2a, 3–5) of 1a purified from Vitis vinifera grape canes and several analogues (1b–1j) of 1a obtained through semisynthesis using methylation and acetylation. Moreover, trans-ε-viniferin (2a), a dimer of 1a, was also subjected to methylation (2b) and acetylation (2c) under nonselective conditions. Neither the natural oligomers of 1a (2a, 3–5) nor the derivatives of 2a were active against Candida albicans SC5314. However, the dimethoxy resveratrol derivatives 1d and 1e exhibited antifungal activity against C. albicans with minimum inhibitory concentration (MIC) values of 29–37 μg/mL and against 11 other Candida species. Compound 1e inhibited the yeast-to-hyphae morphogenetic transition of C. albicans at 14 μg/mL.

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Soumis le : vendredi 3 septembre 2021 - 11:27:33
Dernière modification le : lundi 14 novembre 2022 - 01:46:12




Benjamin Houillé, Nicolas Papon, Leslie Boudesocque-Delaye, Eric Bourdeaud, Sébastien Besseau, et al.. Antifungal Activity of Resveratrol Derivatives against Candida Species. Journal of Natural Products, 2014, 77 (7), pp.1658-1662. ⟨10.1021/np5002576⟩. ⟨hal-03333804⟩



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