FIG. 2.

Phylogeny of ETEC clinical isolates. Based on MLST data the phylogenetic relationships of a collection of ETEC strains from humans and animals and a selection of ECOR strains are depicted. The phylogenetic tree is supplemented by data from the available genome-sequenced E. coli strains. Colored labels depict different sequence types depending on the source of strains harbored within each sequence type. The data demonstrate a polyphyletic distribution of the ETEC strains. The phylogenetic tree was constructed as for the right side of Fig. 1.