Bioconversion of ribostamycin (SF-733). II. Isolation and structure of 3-N-acetylribostamycin, a microbiologically inactive product of ribostamycin produced by Streptomyces ribosidificus.

Bioconversion of ribostamycin (SF-733). II. Isolation and structure of 3-N-acetylribostamycin, a microbiologically inactive product of ribostamycin produced by Streptomyces ribosidificus. Bioconversion of ribostamycin (SF-733). III. Formation, structure and synthesis of 3-N-carboxymethyl ribostamycin. MICROBIAL SEMI-SYNTHESIS OF AMINOGLYCOSIDIC ANTIBIOTICS BY MUTANTS OF S. RIBOSIDIFICUS AND S. KANAMYCETICUS Biosynthesis of Ribostamycin Derivatives by Reconstitution and Heterologous Expression of Required Gene Sets Metabolic products of microorganisms. 222 .BETA.-Oxotryptamine derivatives isolated from Streptomyces ramulosus. New streptothricin-group antibiotics, AN-201 I, II and III. II. Chemical structures. Deacetylravidomycin N-oxide, a new antibiotic. Taxonomy and fermentation of the producing organism and isolation, structure and biological properties of the antibiotic. Structure of Antibiotic C-73X The Isolation of a Second Crystalline Antibiotic from Streptomyces erythreus Terpenoids Produced by Actinomycetes: Napyradiomycins from Streptomyces antimycoticus NT17