[Metabolic products of microorganisms 183, Imacidin, a new peptid antibiotic from Streptomyces olivaceus (author's transl)].

Streptomyces olivaceus, strain Tü 1379 produces beside the red dyestuff prodigiosin several closely related hitherto unknown cyclodepsipeptide antibiotics, mainly imacidine B and C and imacidinic acids. The antibiotics affect murein biosynthesis. Only actinomycetes are inhibited.