Prevalence of genes encoding exfoliative toxins, toxic shock syndrome toxin-1 among poultry Staphylococcus aureus isolates
2013
Staphylococcus aureus is a major pathogen in humans and animals. Part of its pathogenicity is due to the
production of extracellular protein toxins, called superantigens. In this study a groups of S. aureus isolates in Iran
and Belgium from poultry were screened for genes encoding the exfoliative toxins (ETA and ETB), shock syndrome
toxin-1 (TSST-1). Fifty S. aureus isolates from 20 poultry farms in Iran and Eighty-one isolates from 39 different
industrial farms in Belgium were isolated by the standard biochemical methods. Ten of the isolates in Belgium have
been characterized before as Meticillin Resistance Staphylococcus aureus (MRSA). These isolates were screened for
the genes encoding eta, etb, tst by PCR test. In none of these isolates, toxin gene sequences were amplified. These
results indicate that superantigens encoded by genes that are detectable with the PCR tests used here, are not
involved in poultry.
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