title: Fogacin, a novel cyclic octaketide produced by Streptomyces strain Tü 6319.
abstract: A new octaketide named fogacin (1) was isolated from Streptomyces sp. (strain Tü 6319). Furthermore two shunt metabolites, SEK4b (2) and anhydroSEK4b (3), were detected and identified as non-enzymatically cyclized products of polyketide intermediates built during the biosynthesis of actinorhodin. SEK4b (2) as well as anhydroSEK4b (3) were previously described as metabolites of genetically engineered strains.
authors.affiliation: Institut für Organische und Bioorganische Chemie, Universität Göttingen, Tammannstr. 2, D-37077 Gottingen, Germany.
authors.forename: Markus
authors.initials: M
authors.lastname: Radzom
authors.forename: Axel
authors.initials: A
authors.lastname: Zeeck
authors.forename: Noémi
authors.initials: N
authors.lastname: Antal
authors.forename: Hans-Peter
authors.initials: HP
authors.lastname: Fiedler
mesh_terms: D000900:Anti-Bacterial Agents / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology; D002942:Circular Dichroism; D018942:Macrolides / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D009904:Optical Rotation; D021241:Spectrometry, Mass, Electrospray Ionization; D013056:Spectrophotometry, Ultraviolet; D013302:Streptomyces / Q000737:chemistry*
chemical_list: D000900:Anti-Bacterial Agents; D018942:Macrolides