Giant linear plasmids of beta-lactam antibiotic producing Streptomyces.


A survey of the total cellular DNA from five beta-lactam antibiotic-producing Streptomyces spp. by pulsed field gel electrophoresis was conducted to investigate the presence of linear plasmids. Streptomyces clavuligerus NRRL 3585 contained two giant linear plasmids of 120 and 430 kb, in addition to the well-characterized 11.7 kb linear plasmid. Streptomyces… (More)


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