title: [Escherichia coli K-12 mutants with enhanced resistance to ionizing radiation. IV. Recombination characteristics of Gamr mutants].
abstract: In the radiation-resistant Gamr444 mutant the inheritance frequency of long F' episomes ORF1 (purE+ tsx+ procC+ lac+) and F'14 (ilv+--argE+) is lower, and the frequencies of chromosome mobilization and integrative suppression of temperature-sensitive dnaA46 mutation by the sex factor F are much higher than those in the wild-type strain AB1157 and another radiation-resistant mutant Gamr445. In this respect, the mutant Gamr444 is very similar to the recRC sbcB mutant (RecF-pathway of recombination).
mesh_terms: D002876:Chromosomes, Bacterial / Q000528:radiation effects; D003227:Conjugation, Genetic / Q000528:radiation effects; D004926:Escherichia coli / Q000235:genetics / Q000528:radiation effects*; D005838:Genotype; D009154:Mutation; D010957:Plasmids / Q000528:radiation effects; D011836:Radiation Tolerance; D011995:Recombination, Genetic / Q000528:radiation effects*
vernacular_title: Mutanty Escherichia coli K-12 s povyshennoĭ ustoĭchivost'iu k ioniziruiushcheĭ radiatsii. Soobshchenie IV. Osobennosti rekombinatsii u mutantov Gamr.