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Updated: Mar 3, 2026
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A High-throughput Shigella-specific Bactericidal Assay
Published on: February 27, 2019
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Antibodies to Shiga toxins in Brazilian cattle
Bruno B Yamamoto1, Daniela Luz1, Patrícia A E Abreu1
1Laboratório de Bacteriologia, Instituto Butantan, São Paulo, Brazil.
Abstract:
Cattle are considered a reservoir of Shiga toxin-producing Escherichia coli (STEC). There is no information about the presence of antibodies against Shiga toxins in Brazilian bovine serum. Using ELISA, all sera tested showed antibodies against the two main STEC virulence factors; Stx1 and Stx2. Neutralizing antibodies against Stx1 and/or Stx2 were detected in all but one serum. In conclusion, our results indicated that these animals had been exposed to STEC producing both toxins.
