Abstract
RIFAMPICI1, a semi-synthetic derivative of rifamycin2 which was isolated from Streptomyces mediterraneus, is a clinically useful, orally active antibiotic3–5. It inhibits bacterial RNA synthesis in vivo6,7 and in vitro8–11 by interacting directly with the DNA-dependent RNA polymerase8,11. While rifampicin inhibits bacterial RNA polymerase, it does not affect in vitro the activity of mammalian RNA polymerase9,10.
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HELLER, E., ARGAMAN, M., LEVY, H. et al. Selective Inhibition of Vaccinia Virus by the Antibiotic Rifampicin. Nature 222, 273–274 (1969). https://doi.org/10.1038/222273a0
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DOI: https://doi.org/10.1038/222273a0
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