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Maximum-likelihood DNA phylograms of concatenated 3-locus MLST and fimA sequences of S. enterica. The MLST (A) and fimA (B) trees were constructed based on an alignment of 66 sequences obtained for S. enterica subsp. I to VI. The colored boxes mark strain clades with identical sequence types (STs). The S. enterica subsp. I clade is boxed (gray dashed line). The scale at the bottom of the phylograms indicates phylogenetic distance and corresponds to a 1-nucleotide difference.
