Phylogenetic ubiquity and shuffling of the bacterial RecBCD and AddAB recombination complexes.


RecBCD and AddAB are bacterial enzymes that share similar helicase and nuclease activities and initiate repair of DNA double-strand breaks by homologous recombination. Examination of the phylogenetic distribution of AddAB and RecBCD revealed that one or the other complex is present in most sequenced bacteria. In addition, horizontal gene transfer (HGT… (More)
DOI: 10.1128/JB.00254-09

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