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SummaryThe plasmid ColIb-P9 introduced into Escherichia coli K12 umuC mutant cells suppresses the deficiencies in mutagenesis and… Expand The effect of conjugative plasmids ColIb-P9 (incI1) and pKM 101 (incN), containing the active ard gene, on the efficiency of EcoK… Expand The IncI1 plasmid ColIb-P9 was found to encode an antirestriction function. The relevant gene, ard (alleviation of restriction of… Expand The IncI1 plasmid ColIb-P9 was found to carry a single-stranded DNA-binding (SSB) protein gene (ssb) that maps about 11 kilobase… Expand The R64 shufflon is a novel type of DNA rearrangement in which four DNA segments invert independently or in groups. The related… Expand The origin-of-transfer region of ColIb-P9 was inserted into a lambda prophage to give a bacterial chromosome mobilizable by the… Expand Cultures of Escherichia coli carrying ColI plasmids received in conjugation from strains of Salmonella typhimurium and S. agona… Expand The IncI1 plasmid ColIb-P9 is among a group of related plasmids that encode the I1 type of conjugation system. The I1 system is… Expand The presence of the ColIa-CA53 plasmid in umuC and umuD mutant Escherichia coli K-12 cells restores their mutability under UV… Expand