Komatsu, Y Mechanism of action of showdomycin. V. Reduced ability of showdomycin-resistant mutants of Escherichia coli K-12 to take up showdomycin and nucleosides. [electronic resource] - The Journal of antibiotics Dec 1971 - 876-83 p. digital Publication Type: Journal Article ISSN: 0021-8820 Subjects--Topical Terms: Adenosine--metabolismAnti-Bacterial Agents--metabolismAntineoplastic Agents--metabolismCarbon IsotopesCytidine--metabolismDrug Resistance, MicrobialEscherichia coli--drug effectsEthylmaleimide--pharmacologyLysine--metabolismMutationNucleosides--metabolismTritiumUracil--metabolism