NEW ANTIBIOTICS SF2315A AND B PRODUCED BY AN EXCELLOSPORA SP. I. TAXONOMY OF THE STRAIN, ISOLATION AND CHARACTERIZATION OF ANTIBIOTICS

TORU SASAKI; JUNKO YOSHIDA; MITSUGU ITOH; SHUICHI GOMI; TAKASHI SHOMURA; MASAJI SEZAKI

doi:10.7164/antibiotics.41.835

NEW ANTIBIOTICS SF2315A AND B PRODUCED BY AN EXCELLOSPORA SP.

I. TAXONOMY OF THE STRAIN, ISOLATION AND CHARACTERIZATION OF ANTIBIOTICS

TORU SASAKI, JUNKO YOSHIDA, MITSUGU ITOH, SHUICHI GOMI, TAKASHI SHOMURA, MASAJI SEZAKI

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JOURNAL FREE ACCESS

1988 Volume 41 Issue 7 Pages 835-842

DOI https://doi.org/10.7164/antibiotics.41.835

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Abstract

Two new antibiotics SF2315A and B have been isolated from culture filtrate of an actinomycete strain, Excellospora viridilutea SF2315. They are weakly active against Gram-positive bacteria and inhibited reverse transcriptase of avian myeloblastosis virus. Empirical molecular formula of antibiotics SF2315A and B were determined to be C19H16O5 and C19H20O6, respectively.

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