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. 2021 Dec 9;12:785351. doi: 10.3389/fmicb.2021.785351

Figure 1.

Figure 1

Bacillus subtilis natto supernatant affects the adhesion of Enterococcus faecalis cells into human intestinal Caco-2 cell monolayers. The concentrations (A,C) (CFU/ml) and relative adhesion(%) (B,D) of E. faecalis OG1RF (WT) and OG1RF::p23cfp cells to Caco-2 cell monolayers after 3h in an in vitro bacterial adhesion assay with or without B. subtilis natto supernatant treatment (10%, v/v). In (A) and (C), each dot in the figures represents a replicate, and the red diamonds with red lines indicate the means±SDs (n=3). In (B) and (D), the data are presented as the means±SDs (n=3). *p<0.05 and **p<0.01 compared with each negative control group (Student’s t-test).