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

  • Yuta Awano,
  • Ryoya Ishii,
  • Yume Takahashi,
  • Hayama Tsutsumi,
  • Yoshihiro Watanabe,
  • Masaaki Sonoda,
  • Rei Hokari,
  • Masato Iwatsuki,
  • Yuki Inahashi

摘要

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.