Abstract
Strains ofStreptomyces coeruleorubiduě ISP 5145,JA 10092 and 39–146, differing mutually in antibiotic activity, were found to produce identical spectrum of metabolites (at least nine antibiotically active glycosides, 13-dihydrodaunomycinone, ε-rhodomycinone and a larger number of unidentified compounds); only trace quantities of daunomycin and daunomycinone could be detected. A fraction of glycosides with a higher Rf (0.4–0.7), isolated from strain 39–146, could be transformed to daunomycin by mild hydrolysis and to daunomycinone by total hydrolysis.Streptomyces peucetius IMI 101 335 differed fromStreptomyces coeruleorubidus in an increased production of ε-rhodomycinone and a lower content of glycosides; the zone of daunomycin was most pronounced among the glycoside spots.Streptomyces coeruleorubidus 39-146 exhibited the highest activity in a medium containing 3.5% soluble starch, 3.0% soybean meal, 0.3% NaCl and 0.3% CaCo3; glucose was a more useful carbon source for the remaining strains The activity ofStreptomyces coeruleorubidus was inhibited by 1-propanol, Na-propionate,5,5-diethylbarbiturate and bacitracin. Ferrous sulphate stimulated the production of glycosides only in strain JA 10092, decreasing simultaneously the production of aglycones.
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Blumauerová, M., Matějů, J., Stajner, K. et al. Studies on the production of daunomycinonederived glycosides and related metabolites inStreptomyces coeruleorubidus andStreptomyces peucetius . Folia Microbiol 22, 275–285 (1977). https://doi.org/10.1007/BF02877657
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DOI: https://doi.org/10.1007/BF02877657