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Merck
  • Biochemical basis of resistance to hygromycin B in Streptomyces hygroscopicus--the producing organism.

Biochemical basis of resistance to hygromycin B in Streptomyces hygroscopicus--the producing organism.

Journal of general microbiology (1985-06-01)
J M Pardo, F Malpartida, M Rico, A Jiménez
초록

Hygromycin B, an aminocyclitol antibiotic that strongly inhibits both 70S and 80S ribosomes, is synthesized by Streptomyces hygroscopicus. Ribosomes from this Gram-positive mycelial bacterium are inhibited in vitro by the antibiotic. In contrast, the streptomycete is highly resistant to the drug in vivo since it possesses hygromycin B phosphotransferase activity. This enzyme has been shown by gel filtration to have a molecular weight of 42000, and to modify its antibiotic substrate to produce 7"-O-phosphoryl-hygromycin B which totally lacks biological activity both in vivo and in vitro.

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Sigma-Aldrich
Hygromycin B from Streptomyces hygroscopicus, powder, BioReagent, suitable for cell culture, suitable for insect cell culture