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  • Title: Multiplex polymerase chain reaction assay for identification of enterotoxigenic Escherichia coli strains.
    Author: Osek J.
    Journal: J Vet Diagn Invest; 2001 Jul; 13(4):308-11. PubMed ID: 11478602.
    Abstract:
    A multiplex polymerase chain reaction (PCR) system was developed for identification of enterotoxigenic Escherichia coli (ETEC) strains and to differentiate them from other gram negative enteric bacteria. This test simultaneously amplifies heat-labile (LTI) and heat-stable (STI and STII) toxin sequences and the E. coli-specific universal stress protein (uspA). The specificity of the method was validated by single PCR tests performed with the reference E. coli and non-E. coli strains and with bacteria isolated from pig feces. The multiplex PCR allowed the rapid and specific identification of enterotoxin-positive E. coli and may be used as a method for direct determination of ETEC and to differentiate them from other E. coli and gram-negative enteric isolates.
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