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Dactylfungins, novel antifungal antibiotics produced by Dactylaria parvispora
J Xaio1, S Kumazawa, N Yoshikawa
1Biosciences Laboratory, Mitsubishi Kasei Corporation, Yokohama, Japan.
The Journal of Antibiotics
|January 1, 1993
Abstract:
Novel antifungal antibiotics, designated as dactylfungins A (1) and B (3), were isolated from the culture broth of Dactylaria parvispora D500. Dactylfungins A and B were found to be new substances containing an alpha-pyrone and a gamma-pyrone ring, respectively, which conjoined with a polyalcohol moiety and a long side chain, based on NMR spectral analyses. The antibiotics were active against Candida pseudotropicalis and other fungi, with an MIC value at less than 10 micrograms/ml.