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The Journal of Medical Microbiology, Vol 24, Issue 4 359-362, Copyright © 1987 by Society for General Microbiology
JOURNAL ARTICLE |
M. A. Linggood and J. M. Thompson
Unilever Research, Colworth Laboratory, Sharnbrook, Bedford.
Strains of Escherichia coli isolated from documented cases of disease in pigs and belonging to a wide range of pathogenic serotypes were tested for their ability to produce a heat labile verotoxin (VT). The strains isolated from oedema disease all produced VT, indicating that the cytotoxin detected by the vero-cell assay was identical to "oedema disease principle". Strains belonging to the serotypes associated with enterotoxic diarrhoea were VT-. Not all the strains belonging to the recognised oedema disease serotypes (O141:K85, O139:K82 and O138:K81) produced VT, but the VT- strains were not associated with outbreaks of clinical disease.
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