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Table 3 Distribution of UPEC pathogenicity islands in EIEC according to phylogroup and serogroup

From: Uropathogenic Escherichia coli pathogenicity islands and other ExPEC virulence genes may contribute to the genome variability of enteroinvasive E. coli

Phylogroup {No. (%) of strains} Serogroup (Total No. of strains) No. (%) of strains Pathogenicity Islanda
IJ96 IICFT073 IV536 ICFT073
A {25 (49)} O124 (6) 4 (66.6) + + + -
2 (33.3) - - + -
O136 (6) 6 (100) + + - -
O144 (5) 5 (100) + + - -
O152 (6) 6 (100) + + + -
O164 (1) 1 (100) + + + -
O167 (1) 1 (100) + + - -
E {15 (29)} O143 (10) 10 (100) + + - +
O167 (5) 4 (80) + - + +
1 (20) + + + +
B1 {9 (18)} O28ac (3) 1 (33.3) + + - -
1 (33.3) + - - -
1 (33.3) - + - -
O29 (5) 4 (80) + + - -
1 (20)b + - - -
O164 (1) 1 (100) + - + -
B2 {1 (2)} O164 (1) 1 (100) - - - +
C {1 (2)} O164 (1)c 1 (100) + + - -
  1. aPAIs IIJ96, I536, II536, and III536 were not detected in any strain
  2. bstrain isolated in Chile
  3. cstrain isolated in Japan