[Interaction (integration and excision) of the pRP19.6 plasmid, a derivative of the RP1 plasmid containing duplicated sequence IS21, with the chromosome of Escherichia coli K12].

Abstract excerpt

A pRP19.6 plasmid is the derivative of the temperature sensitive RPlts12 plasmid and contains a duplicated IS21 (IS8) element. Using temperature sensitive pRP19.6 replication, Hfr strains have been obtained by integration of the plasmid into the chromosome of E. coli rec+ and recA- cells and their properties were studied. According to the results obtained, pRP19.6 insertion into the genome of the rec+ bacteria IS...

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