Funicone-related Compounds, Potentiators of Antifungal Miconazole Activity, Produced by Talaromyces flavus FKI-0076

Autor: Noriko Tabata, Yuichi Yamaguchi, Masayoshi Arai, Hiroshi Tomoda, Takako Okuda, Haiyan Wang, Satoshi Omura, Rokuro Masuma
Rok vydání: 2002
Předmět:
Zdroj: The Journal of Antibiotics. 55:172-180
ISSN: 1881-1469
0021-8820
DOI: 10.7164/antibiotics.55.172
Popis: Talaromyces flavus FKI-0076, a soil isolate, was found to produce compounds which reinforce the anti-Candida albicans activity of miconazole. Four structurally related compounds, a novel one, designated actofunicone, and the knowns deoxyfunicone, vermistatin and NG-012, were isolated from the culture broth by solvent extraction, ODS column chromatography and HPLC. The structure of actofunicone was elucidated as benzoic acid, 3,5-dimethoxy-2-[[4-oxo-6-(2-acetyloxy propyl)-4H-pyran-3-yl]carbonyl]-, methyl ester by various spectroscopic analyses including NMR experiments. These compounds potentiated the anti-C. albicans activity of miconazole, decreasing the IC50 value of miconazole from 19 microM to 1.6 approximately 3.7 microM in the presence of the funicones.
Databáze: OpenAIRE