Supplemental_Table_1

Supplemental Table 1. Bootstrap support per locus for monophyletic clustering of clades. Bootstrap values were based on 1000 replicate neighbor-joining trees using the maximum composite likelihood model. Blanks represent no monophyletic relationship for the clade.

E. coli CI E. fergusonii CIII CIV CV E. albertii S. enterica Locus (n=8) (n=8) (n=4) (n=6) (n=4) (n=18) (n=11) (n=4) torC100 dnaG100 100 aroE99 95 100 purA59 68 98 96

recA96 96 99 95

grpE91 100 100 100

icd96 100 99 100 kdsA100 100 100 100 mutS32 95 100 100 100 gyrB74 98 100 100 100 metG95 100 95 96 100 fadD100 100 96 100 100

adk99 99 99 100 100 cyaA99 100 99 100 100 100 aspC100 100 100 99 100 100 arcA32 46 100 66 91 100 100

mdh76 100 91 99 100 100 100 mtlD100 99 73 99 100 100 100

clpX95 100 99 100 100 100 100

lysP99 99 100 90 41 100 100 100 rpoS91 82 99 98 77 99 100 84

fumC98 98 100 70 99 100 100 100 No. of mono-

phyletic loci 6 7 12 14 15 18 21 22