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. 2018 Nov 5;9:2659. doi: 10.3389/fmicb.2018.02659

FIGURE 1.

FIGURE 1

Phylogenetic tree based on concatenated sequences of the seven housekeeping genes from the MLST Achtman scheme by the neighbor-joining method using MEGA6. The analysis includes the 19 STs determined for the mcr-1 (65 diarrheagenic and seven ST131-B2) positive isolates. Numbers on the tree indicate bootstrap values calculated for 1,000 replicates. Colors indicate: blue (phylogroup A), orange (phylogroup B1), green (phylogroup B2), and red (phylogroup E). Pathotype and number of isolates (in parentheses) are shown on the right.