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. 2022 Apr 5;12:5707. doi: 10.1038/s41598-022-09598-8

Figure 4.

Figure 4

Invading phenotype exhibited in vitro by E. coli strains C6O O36:H5 (A) and 6 M O86:H18 (B). Arrows point to the invasion sites. Magnification 400x. The number of invading bacteria was determined by the invasion assay (C) and compared to 0124:NM (positive control) and HB101 (negative control) strains; ** < 0.01 **** < 0,0001.