Abstract
S. fradiae showed the highest acetanilide p-hydroxylation activity in the tested strains. AndS. fradiae was well characterized genetically, especially with respect to tylosin production. Two mutants, which lost hydroxylation, were isolated in 140 regenerated colonies from protoplasts. In restriction enzyme digesion of total DNAs, isolation of giant linear plasmid DNA and determination of antibiotic resistances to chloramphenicol, tylosin, hygromycin B and mitomycin C, any differences among mutants and a wild type strain were not detected. These facts suggest that lesion on 6,000 Kb chromosomal DNA was responsible for the lack of p-hydroxylation activity induced by protoplast formation and regeneration.
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Jin, H.J., Park, A.K. & Lee, S.S. Genetic analysis on bioconversion of aniline to acetaminophen inStreptomyces fradiae . Arch. Pharm. Res. 15, 35–40 (1992). https://doi.org/10.1007/BF02973981
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DOI: https://doi.org/10.1007/BF02973981