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  • Title: Host components required for the replication of the resistance plasmid R124 and a copy mutant derivative.
    Author: Pritchard JJ, Rowbury RJ.
    Journal: Z Allg Mikrobiol; 1980; 20(2):129-40. PubMed ID: 6990641.
    Abstract:
    The replication of R124, and a copy mutant derivative of it, was measured with respect to dependence on the host DnaA, DnaB, DnaC, DnaE, DnaG, and PolA gene products. Both plasmids replicated under conditions where the DnaA gene product was inactivated or where the polymerising activity of the PolA gene product was reduced. In contrast, neither plasmid replicated to any appreciable extent, if the DnaB, DnaC, DnaE or DnaG gene products were inactivated. R124 integratively suppressed the lesion of the dnaA mutant but the copy mutant derivative had only a very weak suppressing effect. Neither plasmid suppressed the lesions of any of the other dna mutants.
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