Resolution of holliday junctions by RuvABC prevents dimer formation in rep mutants and UV-irradiated cells.
In this work, we present evidence that indicates that RuvABC proteins resolve Holliday junctions in a way that prevents dimer formation in vivo. First, although arrested replication forks are rescued by recombinational repair in cells deficient for the Rep helicase, rep mutants do not require the XerCD proteins or the dif site for viability. This shows that the recombination events at arrested replication forks are generally not accompanied by the formation of chromosome dimers. Secondly, res...Expand abstract
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