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KMID : 0545120070170081324
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Journal of Microbiology and Biotechnology
2007 Volume.17 No. 8 p.1324 ~ p.1329
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Candicidal Action of Resveratrol Isolated from Grapes on Human Pathogenic Yeast C. albicans
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Jung Hyun-Jun
Seu Young-Bae
Lee Dong-Gun
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Abstract
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Resveratrol (3,5,4’-trihydroxystilbene) is a naturally occurring, multi-biofunctional chemical existing in grapes and various other plants as a polyphenol type, and it is one of the best known natural anticancer and antiatherosclerosis reagents. In this study, we investigated the antifungal action by resveratrol in Candida albicans, which is a human infectious fungi as an agent of candidiasis. Resveratrol displayed potent fungicidal activity in an energy-dependent manner, without any hemolytic effects against human erythrocytes. It was found that the serum-induced mycelial forms, which play a crucial role in the pathogenesis of C. albicans during host tissue invasion, were disrupted by resveratrol. To understand the correlation between lethal effects and resveratrol action, we examined the physiological changes of C. albicans. A significant accumulation of intracellular trehalose was induced by stress responses to resveratrol action, and a remarkable arrest of cell-cycle processes at the S-phase in C. albicans occured. Therefore, the fungicidal effects of resveratrol demonstrate that this compound is a potential candidate as an antifungal agent in treating infectious diseases by candidal infections
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KEYWORD
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Resveratrol, trans-3, 5, 4’-trihydroxystilbene, phenolic antioxidant, fungicidal activity, anticandidal activity, Candida albicans
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