Structure elucidation of xanthobaccin A, a new antibiotic produced from Stenotrophomonas sp. strain SB-K88

Structure elucidation of xanthobaccin A, a new antibiotic produced from Stenotrophomonas sp. strain SB-K88 Xanthostatin, a new antibiotic. A macrocyclic antibiotic M-230B produced by Myxococcus xanthus. Isolation and characterization. X-14547A, a new ionophorous antibiotic produced by Streptomyces antibioticus NRRL 8167. Discovery, fermentation, biological properties and taxonomy of the producing culture. Four New Antibacterial Xanthones from the Marine-Derived Actinomycetes Streptomyces caelestis Four New Antibacterial Xanthones from the Marine-Derived Actinomycetes Streptomyces caelestis A new antibiotic XK-90. I. Taxonomy of the producing organism, fermentation, isolation and physicochemical and biological properties. STRUCTURE ELUCIDATION OF MACROCYCLIC LACTONE ANTIBIOTICS, MBA 028-24 A AND B Sibanomicin, a new pyrrolo(1,4)benzodiazepine antitumor antibiotic produced by a Micromonospora sp. Pyrrolosporin A, a New Antitumor Antibiotic from Micromonospora sp. C39217-R109-7. II. Isolation, Physico-chemical Properties, Spectroscopic Study and X-ray Analysis.