First isolation of the enterohaemorrhagic <Emphasis Type="Italic">Escherichia coli</Emphasis> O145:H- from cattle in feedlot in Argentina |
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Authors: | Nora?L?Padola Marcelo?E?Sanz Paula?MA?Lucchesi Jesús?E?Blanco Jorge?Blanco Miguel?Blanco Analía?I?Etcheverría Guillermo?H?Arroyo Email author" target="_blank">Alberto?E?ParmaEmail author |
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Institution: | 1.Laboratorio de Inmunoquímica y Biotecnología, Animal Health Department,Universidad Nacional del Centro-CIC,Tandil,Argentina;2.Laboratorio de Referencia E. coli Universidad Stgo. de Compostela,Lugo,Espa?a |
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Abstract: | Background Enterohaemorrhagic Escherichia coli (EHEC) is considered to be common cause of haemorrhagic colitis (HC), thrombotic thrombocytopenic purpura and haemolytic
uraemic syndrome (HUS) in humans. In a previous paper, we have demonstrated that EHEC are commonly found in the intestines
of livestock. Infections in humans are, in part, a consequence of consumption of undercooked meat or raw milk. Argentina has
one of the highest records of HUS (300–400 cases/year; 22/100,000 children under 4 years of age). The aim of this work is
to communicate the first isolation of O145:H-from cattle in this country and characterize the virulence cassette, providing
useful information to evaluate the risk of foodborne transmission of this emergent non-O157:H7 serotype. |
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