title: FR-900137, a new antibiotic. I. Taxonomy and fermentation of the organism, and isolation and characterization of the antibiotic.
abstract: A strain of Streptomyces, isolated from a soild sample and identified as Streptomyces unzenensis sp. nov. has been found to produce FR-900137, an interesting new antibiotic, containing phosphorus in its molecule. The antibiotic, obtained as white powder, was shown to inhibit a wide variety of Gram-positive and Gram-negative bacteria except Pseudomonas aeruginosa.
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000096:biosynthesis / Q000302:isolation & purification* / Q000494:pharmacology; D001419:Bacteria / Q000187:drug effects; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003470:Culture Media; D004352:Drug Resistance, Microbial; D005285:Fermentation; D007930:Leucine / Q000031:analogs & derivatives* / Q000096:biosynthesis / Q000302:isolation & purification / Q000494:pharmacology; D051379:Mice; D013302:Streptomyces / Q000145:classification* / Q000378:metabolism
chemical_list: D000900:Anti-Bacterial Agents; D003470:Culture Media; C025532:FR 900137; D007930:Leucine