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The DNA transformation in the industrial erythromycin-producing Saccharopolyspora erythraea was investigated as standard protoplast transformation methods are ineffective. Intergeneric conjugal transfer of DNA from E. coli demonstrated transformation efficiencies from 0.05 × 10−8 to 7.2 × 10−8 exconjugants generated per recipient. Electroporation-mediated methodologies were also established. More...
This study has investigated DNA transformation in the Amphotericin-producing organism Streptomyces nodosus. Amphotericin B is an antifungal drug with severe side effects in humans and the availability of structural variants would aid investigations into the mode of action and cytotoxity of the drug. Analogs of related polyketide drugs have been rapidly made by genetic engineering of biosynthetic genes;...
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