Table 3 Characteristics associated to virulence in DAEC strains possessing Afa/Dr genes isolated from children and adults

traA

45 (90)

47 (81)

19 (70.3)

13 (86.6)

Cellulose

5 (10)

17 (29.3)

1 (3.7)

0

Curli

31 (62)

39 (67.2)

16 (59.2)^a

1 (6.7)^a

sat

23 (46)

11 (18.9)

18 (66.7)

13 (86.6)

TTSS

3 (6)

30 (51.7)

1 (3.7)

0

Motility

45 (90)

55 (94.8)

19 (70.3)

14 (93.3)

IL-8 secretion

14 (28)

31 (53.4)

0^a

4 (26.6)^a

Total

50

58

27

15