Atypical Enteropathogenic Escherichia coli Secretes Plasmid Encoded Toxin

Figure 2

Light microscopy of HEp-2 cells incubated with different EPEC and EAEC strains in DMEM. After 24 h of incubation the cells were washed, fixed, and stained with Giemsa. The positive controls for this experiment were the EAEC prototype 042 and Pet at 200 μg/mL. Magnification: 100x.