L-1, 4-CYCL0HEXADIENE-1-ALANINE, AN ANTAGONIST OF PHENYLALANINE, FROM STREPTOMYCES

Abstract

An antagonist of phenylalanine, L-1, 4-cyclohexadiene-1-alanine, was isolated from the culture broth of a strain of Streptomyces designated Streptomyces diastatochromogenes var. sakaii. It is active against plant-pathogenic fungi, and Pseudomonas aeruginosa on synthetic medium. Producing strain, and the production, isolation, identification and biological properties of this antibiotic are described.