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Role of H. pylori NER components on mutation and recombination rates. Frequencies of spontaneous mutations leading to Rif resistance (A) and of recombinant clones after natural transformation (B) for H. pylori 26695 wild type strain and isogenic NER-deficient mutants. The bars represent means ± standard deviations of three independent experiments (each experiment was performed in duplicates). Very strongly significant results (Bayes Factor >30) are marked with an asterisk.
