The importance of microbiology to the dairy industry has been demonstrated by recent
outbreaks of foodborne illness associated with consumption of milk and dairy products that …

Some enterotoxigenic Escherichia coli (ETEC) produce a type II heat-labile enterotoxin (LT-
II) that activates adenylate cyclase in susceptible cells but is not neutralized by antisera …

Heat-labile enterotoxins (LT) of enterotoxigenic Escherichia coli (ETEC) are structurally and
functionally related to cholera toxin (CT). LT-I toxins are plasmid-encoded and flanked by IS …

This study aims to assess the prevalence of Shiga toxin-producing Escherichia coli (STEC)
in ground beef collected in two cities located in the State of São Paulo, Brazil. A total of 250 …

Abstract Raw beef samples (n= 105) were examined for diarrheagenic Escherichia coli
(DEC) using standard methods. The isolates obtained (n= 1,066) were screened for Shiga …

Type II heat-labile enterotoxins (LT-II) have been reported in Escherichia coli isolates from
humans, animals, food and water samples. The goal here was to determine the specific …

Examinando 52 espécimes fecais de bezerros com diarréia de fazendas da região de
Jaboticabal, SP, Brasil, uma das amostras de Escherichia coli isoladas, quando analisada …

Heat-labile enterotoxins (LTs) of Escherichia coli are closely related to cholera toxin (CT),
which was originally discovered in 1959 in culture filtrates of the gram-negative bacterium …

O relato de surtos de origem alimentar tem assumido dimensões crescentes nos últimos
anos, atingindo localidades e até países diferentes, como reflexo da globalização da …

A total of 1,066 Escherichia coli colonies isolated from 105 raw bovine meat samples
purchased at supermarkets in Rio de Janeiro were submitted to hybridization assays with …