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Genetic organization of the regions proximal to the ycdB (A and B) and yebC (C) genes in different bacteria. Alleles of conservative genome organization within the group of related species are indicated by black arrows. (A) Organization of the ycdB region in gram-positive lactobacilli. (B) Three different localizations of ycdBEnt in enterobacteria. (C) Conservative genome organization of the region proximal to yebC (paralog of ycdBEnt) in enterobacteria.
