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Table 8 Co-aggregation ability between isolated LAB and enteric bacteria Sal. typhimurium and E. coli O157:H7

From: Molecular identification and in vitro evaluation of probiotic functional properties of some Egyptian lactic acid bacteria and yeasts

Isolate no.

Isolate identification

Co-aggregation (%) with Sal. typhimurium

Co-aggregation (%) with E. coli O157:H7

2 h

4 h

24 h

2 h

4 h

24 h

PRS1

Lb. acidophilus ATCC 20552

43.43 ± 0.38****

53.74 ± 2.25****

56.02 ± 1.62****

41.65 ± 3.21****

46.81 ± 2.79****

52.51±3.62****

L1

E. mediterraneensis

30.16 ± 2.75**

38.35 ± 2.74**

50.31 ± 2.72**

18.86 ± 0.36*

22.63 ± 1.72*

27.02 ± 1.77*

L2

34.75 ± 3.42***

40.27 ± 2.91***

62.95 ± 1.35***

31.48 ± 1.13**

36.99 ± 1.48**

39.73 + 2.02**

L3

10.29 ± 5.98*

15.57 ± 6.71*

16.39 ± 7.91*

11.19 ± 5.68*

19.28 ± 4.33*

25.29 ± 7.43*

L11

29.64 ± 4.26**

42.41 ± 0.66**

53.1 ± 3.18**

12.61 ± 1.67*

20.12 ± 4.94*

27.78 ± 2.96*

L12

50.51 ± 2.59****

55.69 ± 2.42****

55.69 ± 2.42****

39.03 ± 2.28****

44.82 ± 0.18****

51.66 ± 2.88****

L15

39.47 ± 1.2****

48.1 ± 1.23****

62.13 ± 2.73****

41.58 ± 2.47****

48.10 ± 1.23****

53.53 ± 1.33****

L16

44.92 ± 2.93****

47.33 ± 2.36****

55.60 ± 1.78****

20.66 ± 3.74*

27.17 ± 3.08*

32.49 ± 2.96*

L4

Lb. fermentum

7.99 ± 6.32*

17.04 ± 3.67*

20.04 ± 3.72*

9.89 ± 6.15*

15.85 ± 5.68*

22.95 ± 4.26*

L5

9.45 ± 6.79*

20.48 ± 1.79*

26.53 ± 3.03*

5.85 ± 3.46*

13.56 ± 3.07*

20.29 ± 5.34*

L8

37.99 ± 3.14***

47.81 ± 1.27***

49.45 ± 1.25***

31.48 ± 2.74**

33.11 ± 2.7**

35.85 ± 0.77**

L9

34.30 ± 2.83***

39.78 ± 4.46***

42.84 ± 5.24***

18.4 ± 1.76**

29.98 ± 3.76**

35.51 ± 3.61**

L10

43.54 ± 1.4****

48.38 ± 1.4****

48.38 ± 1.4****

23.1 ± 1.56*

24.71 ± 1.54*

27.94 ± 1.5*

L13

Strep. lutetiensis

9.03 ± 6.01*

18.09 ± 4.85*

18.09 ± 4.85*

11.11 ± 3.5*

16.17 ± 1.79*

24.22 ± 2.76*

L14

40.32 ± 2.84***

45.16 ± 0.63***

45.16 ± 0.63***

31.92 ± 0.69***

38.53 ± 2.01***

45.76 ± 1.92***

  1. 1: probiotic reference strain. Data are expressed as mean ± SD (standard deviation). * P values were ˂ 0.05.