Fig. 6From: The Salmonella pathogenicity island 13 contributes to pathogenesis in streptomycin pre-treated mice but not in day-old chickensDeletion of SPI-13 results in increased uptake and reduced survival (2 and 20 h) in mouse RAW264.7 macrophages. Bars represent mean percent of each phenotype from three biological replicates ± SEM. Significant differences were determined using two-sample t test not assuming equal variances (*P < 0.05)Back to article page