Isolation of Shiga Toxin-Producing<i>Escherichia coli</i>from a South American Camelid (<i>Lama guanicoe</i>) with Diarrhea

Abstract

Shiga toxin-producing Escherichia coli belonging to serotype O26:H11 was isolated from a 2-month-old guanaco with severe watery diarrhea. E. coli colonies carried the stx1 and eae genes, showed localized adherence to HEp-2 cells, and produced enterohemolysin. A serological response to lipopolysaccharide O26 was observed at the onset of diarrhea.