Double strand break repair by homologus recombination
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The RecF pathway, also called the RecFOR pathway, is a pathway of homologous recombination that repairs DNA in bacteria. It repairs breaks that occur on only one of DNA's two strands, known as single-strand gaps. The RecF pathway can also repair double-strand breaks in DNA when the RecBCD pathway, another pathway of homologous recombination in bacteria, is inactivated by mutations. Like the RecBCD pathway, the RecF pathway requires RecA for strand invasion. The two pathways are also similar in their phases of branch migration, in which the Holliday junction slides in one direction, and resolution, in which the Holliday junctions are cleaved apart by enzymes.
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