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Table 3 Distribution of virulence genes in STEC strains isolated from fermented dairy products in Iran

From: Virulence factors, serogroups and antimicrobial resistance properties of Escherichia coli strains in fermented dairy products

Positive samples Virulence genes
stx1 stx2 eae ehly cnf1 cnf2 iutA cdtB pap A tra T sfaS fyu A
Yoghurt (20) 12 8 9 6 6 4 2 3 7 5 2 3
Doogh (14) 4 3 3 4 1 1 1 1 3 2 1 -
Kashk (16) 6 4 6 4 2 3 2 1 6 3 1 -
Total (50) 22 (44) 15 (30) 18 (36) 14 (28) 9 (18) 8 (16) 5 (10) 5 (10) 16 (32) 10 (20) 4 (8) 3 (6)