Dictyostelium discoideum - Pseudomonas sp. EF group 70B Streptomyces phaeochromogenes NRRL B-3559 Streptomyces phaeochromogenes RRL B-3559 Streptomyces phaeochromogenes NRRL B-3559 NRRL B-3559 Streptomyces phaeochromogenes RRL B-3559 RRL B-3559