Involved in DNA repair and RecF pathway recombination (By similarity). Plays no role in chromosomal or plasmid transformation but is required for resolution of chromosome dimers occurring as intermediates in the formation of merodiploids by transformation (PubMed:25569614). Mutant is sensitive to the alkylating agent methyl methanesulfonate and the DNA cross-linking agent mitomycin C. Belongs to the RecO family.