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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