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Table 2 Prevalence of phylogroups and bacteriocin determinants among fimA-negative and fimA-positive E. coli strains

From: Determinants encoding fimbriae type 1 in fecal Escherichia coli are associated with increased frequency of bacteriocinogeny

Prevalence of phylogroups and bacteriocin determinants fimA-negative E. coli strains (n = 96) fimA-positive E. coli strains (n = 483) p-value
Phylogroup A 64 (66.7 %) 189 (39.1 %) p < 0.01
Phylogroup B1 8 (8.3 %) 92 (19.0 %) p = 0.01
Phylogroup B2 9 (9.4 %) 89 (18.4 %) p = 0.04
Phylogroup D 15 (15.6 %) 113 (23.4 %) -
Bacteriocinogeny 21 (21.9 %) 172 (35.6 %) p < 0.01
Microcin determinants 9 (9.4 %) 108 (22.4 %) p < 0.01
Colicin determinants 25 (26.0 %) 187 (38.7 %) p = 0.02
Colicin E1 determinants 1 (1.0 %) 39 (8.1 %) p < 0.01