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. 2017 Sep 26;8:1860. doi: 10.3389/fmicb.2017.01860

FIGURE 4.

FIGURE 4

Effect of D-ribose on AI-2 activity of V. harveyi BB152 (A) and L. paraplantarum L-ZS9 (B). E. coli DH5α served as a negative control. Data are presented as mean ± SEM. n ≥ 3. p < 0.05, ∗∗p < 0.01 compared with the positive control.