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. 2009 Dec 14;78(3):1339–1344. doi: 10.1128/IAI.00245-09

FIG. 1.

FIG. 1.

Effect of SAL on internalization of S. aureus into MAC-T epithelial cells. Confluent MAC-T cells were tested for staphylococcal invasion. Each bar represents the “percentage of invasion,” defined as the median of intracellular CFU/ml (n = 9 to 12) from S. aureus strains related to the median of intracellular CFU/ml from S. aureus RN6390 or Reynolds (CP−) without SAL treatment (100% invasion). The asterisks represent significant differences between strain Newman treated and not treated with SAL (P = 0.0001) (A) and between Reynolds (CP5) organisms treated and not treated with SAL (P = 0.0089; Mann-Whitney test) (B). Comparison of Reynolds (CP5) treated with SAL and Reynolds (CP−) showed no significant differences.