evaluation of major types of shiga toxin 2e-producing escherichia coli bacteria present in food, pigs, and the environment as potential pathogens for humans.shiga toxin 2e (stx2e)-producing strains from food (n = 36), slaughtered pigs (n = 25), the environment (n = 21), diseased pigs (n = 19), and humans (n = 9) were investigated for production of stx2e by enzyme-linked immunosorbent assay, for virulence markers by pcr, and for their serotypes to evaluate their role as potential human pathogens. stx2e production was low in 64% of all 110 strains. stx2e production was inducible by mitomycin c but differed considerably between strains. analysis by nuc ...200818515483
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