Research Article

Molecular Characterization of Shiga Toxin-Producing Escherichia coli Isolated from Ruminant and Donkey Raw Milk Samples and Traditional Dairy Products in Iran

Table 5

Prevalence of virulence genes in Shiga toxin-producing E. coli serotypes isolated from raw animal milk samples and traditional dairy products in Iran.

SerotypeNumber of positive samples (%)Virulence gene (%)

Non-STEC34 (33.33)ā€”
STEC (68 = 66.66%)EHEC14 (20.58)stx1, eae, ehly: 14 (100)
AEEC54 (79.41)stx1: 25 (46.29)
stx2: 11 (20.37)
eae: 18 (33.33)
stx1, eae: 12 (22.22)
stx2, eae: 7 (12.96)
stx1, stx2, eae: 4 (7.4)