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Table 2 Phylogenetic groups of the E. coli isolates used in the SF distribution study

From: Common and specific genomic sequences of avian and human extraintestinal pathogenic Escherichia coli as determined by genomic subtractive hybridization

  Number of isolates in each phylogenetic group (%)B
Category of E. coliA A B1 B2 D
APEC 36 (37.89) 11 (11.58) 22 (23.16) 26 (27.37)
UPEC 10 (10.53) 6 (6.32) 61 (64.21) 18 (18.94)
  1. AEach category of E. coli contains 95 isolates. APEC, Avian Pathogenic Escherichia coli; UPEC, Uropathogenic Escherichia coli.
  2. BPercentages of isolates falling within each phylogenetic group are shown in parentheses. E. coli isolates in phylogenetic groups B2 and D are more likely to be associated with disease than phylogenetic groups A and B1 [34].