Additional file 6.

Phylogenetic analysis of genes within the O-antigen locus. Phylogenetic trees were constructed by maximum likelihood method with 1,000 bootstrap replicates with individual gene sequences in the locus. Each figure represents the following: wbmBB (A), wbmAA (B), wbmZ (C), wbmU (D), wbmT (E), wbmS (F), wbmR (G), wbmQ (H), wbmP (I), wbmO (J), wbmN (K), wbmM (L), wbmL (M), wbmK (N), wbmJ (O), wbmI (P), wbmH (Q), wbmG (R), wbmF (S), wbmE (T), wbmD (U), wbmC (V), wbmB (W), and wbmA (X).

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Hester et al. BMC Evolutionary Biology 2013 13:209   doi:10.1186/1471-2148-13-209