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. 2016 Sep 22;7:1460. doi: 10.3389/fmicb.2016.01460

Figure 3.

Figure 3

Effect of CFSM from MRS2 G medium (A), MRS2 medium (B), MRS2-Wh medium (C), and MRS2-3′ SL medium (D) fermented by B. bifidum (light gray) and B. crudilactis (dark gray) on virulence gene expression of enterohaemorrhagic E. coli O157:H7 (EHEC) after 4 h of incubation. Gene expression ratios of E. coli O157:H7 were normalized to the expression of the housekeeping gene recA and compared with those of the unfermented media. Negative values represent down-regulation of genes and positive values represent up-regulation of genes. *P ≤ 0.05; **P ≤ 0.01.