A NEW ANTIBIOTIC XK-90 I. TAXONOMY OF THE PRODUCING ORGANISM, FERMENTATION, ISOLATION AND PHYSICOCHEMICAL AND BIOLOGICAL PROPERTIES

SEIGO TAKASAWA; MITSUYOSHI YAMAMOTO; RYO OKACHI; ISAO KAWAMOTO; SEW SATO; TAKASHI NARA

doi:10.7164/antibiotics.29.1015

A NEW ANTIBIOTIC XK-90

I. TAXONOMY OF THE PRODUCING ORGANISM, FERMENTATION, ISOLATION AND PHYSICOCHEMICAL AND BIOLOGICAL PROPERTIES

SEIGO TAKASAWA, MITSUYOSHI YAMAMOTO, RYO OKACHI, ISAO KAWAMOTO, SEW SATO, TAKASHI NARA

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JOURNAL FREE ACCESS

1976 Volume 29 Issue 10 Pages 1015-1018

DOI https://doi.org/10.7164/antibiotics.29.1015

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Abstract

A new antibiotic XK-90 is produced by Streptomyces sp. MK-90 and is active against Gram-positive and Gram-negative bacteria. The taxonomy of the organism, fermentation, isolation and physicochemical and biological properties are described.

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