New antibiotic referred to as ax - 127b - 1, in particular, is effective against organisms gram-positive and gram-negative negative, and its method of manufacture by means of a microorganism of the genus micromonospora

摘要

A new antibiotic AX-127B-1 is produced by fermentation of a microorganism belonging to the species Micromonospora pilosospora. The antibiotic is accumulated in the culture medium and is isolated by conventional methods of extraction. The antibiotic is effective against Gram-positive and Gram-negative organisms, and may be incorporated in pharmaceutical compositions for treatment of bacterial infections.