A new polyene macrolide antibiotic, machidamycin, produced by Streptomyces sp. K22-0017.

J Antibiot (Tokyo)

Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan.

Published: August 2024

A new polyene macrolide, machidamycin (1), and a known compound YS-822A (2), were obtained by physicochemical screening from a culture broth of Streptomyces sp. K22-0017. The structures were elucidated using MS and 1D/2D NMR analyses. Compound 1 exhibited weak antifungal activity against Candida albicans and Mucor racemosus. Furthermore, 1 showed stronger antileishmanial activity than the existing drug paromomycin.

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http://dx.doi.org/10.1038/s41429-024-00737-zDOI Listing

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