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. 2020 Jun 10;11:1287. doi: 10.3389/fmicb.2020.01287

FIGURE 2.

FIGURE 2

Alpha- and beta- diversity of in vitro bacterial cell suspensions. (A) Shannon index. (B) Bacterial species richness. Data shown as the mean of triplicate cell suspensions assays, and the error bars show one standard deviation. (C) Principal component analysis (PCA) of bacterial community composition. Samples are color-coded based on AHL or mitomycin C (MIT) treatment and the control. AHL1–8 stands for induction using quorum sensing signal molecules of N-(Butyryl, Hexanoyl, β-Ketocaproyl, Heptanoyl, Octanoyl, 3-Oxododecanoyl, Tetradecanoyl, or 3-Oxotetradecanoyl) homoserine lactones, respectively. Statistical significance between the treatment and the control group is indicated by p < 0.05 and ∗∗∗p < 0.001.