Microbial products. IV. X-14847, a new aminoglycoside from Micromonospora echinospora.

Microbial products. IV. X-14847, a new aminoglycoside from Micromonospora echinospora. Metabolites of gentamicin-producing Micromonospora species. I. Isolation and identification of metabolites. A new antibiotic XK-62-2 (Sagamicin). I. Isolation, physicochemical and antibacterial properties. X-14547A, a new ionophorous antibiotic produced by Streptomyces antibioticus NRRL 8167. Discovery, fermentation, biological properties and taxonomy of the producing culture. Isolation and characterization of three novel polyether antibiotics and three novel actinomycins as cometabolites of the same Streptomyces sp. X-14873, ATCC 31679. Antibiotic G-418, a New <i>Micromonospora</i> -Produced Aminoglycoside with Activity Against Protozoa and Helminths: Fermentation, Isolation, and Preliminary Characterization Structure of aminoglycoside 66-40 C, a novel unsaturated imine produced by Micromonospora inyoensis Echinosporamicin, a New Antibiotic Produced by <i>Micromonospora echinospora</i> ssp. <i>echinospora, LL</i>‐P175 Structures of the aminoglycoside antibiotics 66–40B and 66–40D produced by Micromonospora inyoensis Mycinamicins, new macrolide antibiotics. XII. Isolation and structural elucidation of mycinamicins X and XI.