Skip to main content

Table 1 Prevalence of virulence genes in E. coli pathotypes isolated from diarrheic calves

From: Characterization of Escherichia coli virulence genes, pathotypes and antibiotic resistance properties in diarrheic calves in Iran

Pathotype No. positive samples Virulence gene
Non detected 211 (33.49%) -
ETEC 179 (28.41%) A, B* lt, F5: 179 (100%) A, B
lt, st, F5: 8(4.46%) a
F5, F41: 72 (40.22%) b
F5, lt: 179 (100%)
F41, lt: 67 (37.43%)
F41, st, lt: 4 (2.23%)
EHEC 32 (5.07%) a, c stx1, eae, ehly: 32 (100%)
AEEC 186 (29.52%) C, D stx1: 179 (96.23%) A
stx2: 106 (56.98%) a
eae: 95 (51.07%) a
stx1, ea e: 91 (48.92%)
stx2, eae: 61 (32.79%)
stx1, stx2, eae: 34 (18.27%)
NTEC 22 (3.49%) b, d cnf1, hlyA: 14 (63.63%)
cnf2, hlyA: 6 (27.27%)
cnf1, cnf2, hlyA: 4 (18.18%)
cnf1, cnf2, hlyA, cdtlll: 4 (18.18%)
cnf1, hlyA, f17c: 2 (9.09%)
cnf2, hlyA, f17c: 2 (9.09%)
cnf2, hlyA, cdtlll: 20 (90.90%)
cnf2, hlyA, cdtlll, f17c: 5 (22.72%)
Total 630 (76.45%)  
  1. *Similar capital and small letters in column have a significant differences about P <0.05.
\