CLAVAMYCINS, NEW CLAVAM ANTIBIOTICS FROM TWO VARIANTS OF STREPTOMYCES HYGROSCOPICUS

I. TAXONOMY OF THE PRODUCING ORGANISMS, FERMENTATION, AND BIOLOGICAL ACTIVITIES

Abstract

In a selective screening for antifungal metabolites, six new clavam antibiotics, clavamycins A, B, C, D, E and F, have been detected from two variants of Streptomyces hygroscopicus NRRL 15846 and NRRL 15879.