title: PS-5, a new beta-lactam antibiotic. I. Taxonomy of the producing organism, isolation and physico-chemical properties.
abstract: Antibiotic PS-5 is a new beta-lactam antibiotic isolated from fermentation broths of Streptomyces sp. strain A271. The strain was considered to be a new subspecies of Streptomyces cremeus and the name, Streptomyces cremeus subsp. auratilis, was proposed. Fermentative production, isolation and physico-chemical properties of PS-5 are described.
mesh_terms: D000900:Anti-Bacterial Agents / Q000096:biosynthesis*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D005285:Fermentation; D013302:Streptomyces / Q000145:classification / Q000378:metabolism*; D013997:Time Factors; D047090:beta-Lactams / Q000096:biosynthesis
chemical_list: D000900:Anti-Bacterial Agents; D047090:beta-Lactams