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. 2020 Sep 9;10:14838. doi: 10.1038/s41598-020-71653-z

Figure 4.

Figure 4

T7SS mutants display increased PI staining when treated with LA. Live/Dead staining of S. aureus USA300 WT, ΔessC or ΔesxC mutants after growth to OD600 of 1.0, without (A) or with treatment with 80 µM (B) linoleic acid. Images are representative of 3 independent experiments. (C) The ratio of SYTO 9: PI fluorescence (live:dead cells) of 25 different fields per strain was quantitated with ImageJ. Means ± SD are shown, n = 3; ***Indicates P < 0.001, **Indicates P < 0.01 using a one-way ANOVA with Tukey’s multiple-comparison test.