[Formation of the heterozygous tandem duplication in the process of conjugation recombination in Escherichia coli: study of the effect of mutations for the recQ, uvrD, and recJ genes].

Abstract excerpt

Stable tandem duplications were shown to originate from conjugational recombination between Escherichia coli HfrH strains carrying mutations for the deo operon. The duplications deoC deoD/deoA deoB::Tn5 usually constitute approximately 5% of the Deo+ offspring. The effect of mutations for the recQ, uvrD, and recJ genes on the frequency of duplications was studied. The CM1563 strain carrying the recQ mutation was...

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