PS-5, A NEW β-LACTAM ANTIBIOTIC. I TAXONOMY OF THE PRODUCING ORGANISM, ISOLATION AND PHYSICO-CHEMICAL PROPERTIES

KAZUHIKO OKAMURA; SHOJI HIRATA; AKIHIKO KOKI; KOSUMI HORI; NORIO SHIBAMOTO; YASUSHI OKUMURA; MITSUYASU OKABE; ROKURO OKAMOTO; KAGEAKI KOUNO; YASUO FUKAGAWA; YASUTAKA SHIMAUCHI; TOMOYUKI ISHIKURA; JOSEPH LEIN

doi:10.7164/antibiotics.32.262

KAZUHIKO OKAMURA, SHOJI HIRATA, AKIHIKO KOKI, KOSUMI HORI, NORIO SHIBAMOTO, YASUSHI OKUMURA, MITSUYASU OKABE, ROKURO OKAMOTO, KAGEAKI KOUNO, YASUO FUKAGAWA, YASUTAKA SHIMAUCHI, TOMOYUKI ISHIKURA, JOSEPH LEIN

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JOURNAL FREE ACCESS

1979 Volume 32 Issue 4 Pages 262-271

DOI https://doi.org/10.7164/antibiotics.32.262

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Abstract

Antibiotic PS-5¹⁾ is a new β-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.

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