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Table 1 Adhesion, invasion and cytotoxic effect of Salmonella enterica serovar Typhimurium and E. coli K12 on thermal-stressed (41°C for 1 h) Caco-2 cells

From: Salmonella enterica serovar Typhimurium adhesion and cytotoxicity during epithelial cell stress is reduced by Lactobacillus rhamnosus GG

Bacteria

% Adhesion

% Invasion

% Cytotoxicity

 

37°C

41°C

37°C

41°C

37°C

41°C

S. Typhimurium

5.63 ± 1.19bB

16.39 ± 5.68aA

0.09 ± 0.01A

0.08 ± 0.01A

8.32 ± 1.36bA

30.52 ± 1.08aA

E. coli K12

13.40 ± 1.07A

15.10 ± 1.45A

0.003 ± 0B

0.003 ± 0B

8.04 ± 1.43bA

20.68 ± 1.43aB

L. rhamnosus GG

1.82 ± 0.12b

5.28 ± 0.49a

NT

NT

5.31 ± 0.96B

7.32 ± 4.6C

L. gasseri

4.47 ± 1.13a

1.58 ± 0.34b

NT

NT

6.05 ± 0.5B

5.52 ± 1.14C

No bacteria

NT

NT

NT

NT

0bC

9.46 ± 1.08aD

  1. Values represent 12 wells per treatment. Rows labeled with (a, b) and columns labeled with (A, B, C) bearing different superscripts within events are significantly different according to Duncan's test (P < 0.05). NT, not tested