Process for producing antibiotics MA 144-M.sub.1 and MA 144-M.su

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical

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435886, 435888, 435189, C12P 1956

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active

042196221

ABSTRACT:
New antitumor agents designated MA 144-M.sub.1 and MA 144-M.sub.2, which are anthracycline glycosides and inhibit the growth of gram-positive bacteria, e.g. Staphyococcus aureus, Bacillus subtilis and Sarcina lutea, and inhibit the growth of animal tumors such as leukemia L 1210, P 388 and sarcoma 180 are produced by fermentation of MA 144-producing strains of streptomyces and by the chemical or enzymatic conversion of aclacinomycin A or cinerubin A.

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