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Fig. 5 | BMC Microbiology

Fig. 5

From: Antimicrobial susceptibility, multilocus sequence typing, and virulence of listeria isolated from a slaughterhouse in Jiangsu, China

Fig. 5

Invasion level of L. monocytogenes isolates against the human colorectal adenocarcinoma cell line Caco-2 cells. In vitro invasion was performed in the Caco-2 cell line (3.0 × 105 cells per well) infected with 1.0 × 107 - 2.0 × 107L. monocytogenes cells/well. After contact for 90 min, viable intracellular bacteria were enumerated by plating appropriate dilutions of the cell lysate on BHI agar. Error bars represent standard deviations of the mean. ATCC19114 strain was included as an invasion control. Significant difference compared with ATCC19114; *** P < 0.01; ** P < 0.05; *P > 0.05

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