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1. Seitomycin: isolation, structure elucidation and biological activity of a new angucycline antibiotic from a terrestrial Streptomycete.

Author

Abdelfattah M, Maskey RP, Asolkar RN, Grün-Wollny I, and Laatsch H

Subjects
Fermentation, Microbial Sensitivity Tests, Structure-Activity Relationship, Anti-Bacterial Agents chemistry, Anti-Bacterial Agents isolation & purification, Anti-Bacterial Agents pharmacology, Benz(a)Anthracenes chemistry, Benz(a)Anthracenes isolation & purification, Benz(a)Anthracenes pharmacology
Abstract

A new antibiotic, named seitomycin (1c), and the known microbial metabolite tetrangulol methyl ether (2) were found in the ethyl acetate extract of two terrestrial Streptomyces sp. isolates. The structure of the new antibiotic was elucidated by spectroscopic studies and by comparison of the NMR data with the structurally related hatomarubigin C (1a) and SM-196 B (1b). Seitomycin (1c) showed moderate antimicrobial and weak phytotoxic activity, similar to tetrangulol methyl ether (2).

Published
2003
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