Fig. 2From: Virulence characterization and comparative genomics of Listeria monocytogenes sequence type 155 strainsVirulence potential of 20 L. monocytogenes ST155 strains in human hepatocytic HEPG2 cells. Invasion efficiency (%, a) and intracellular growth coefficient (IGC, b) are shown as mean value ± SD of three biological replicates determined in duplicates. * statistically significant differences compared to the ScottA variant (p < 0.05)Back to article page