Toxin detection<<Return to Laboratory
*Accredited by the Standards Council of Canada to Laboratory no. 594 (ISO/IEC 17025)
Toxin detection in Escherichia coli.
Isolate from urine, stool, blood, environmental, food, other.
Isolate provided on appropriate culture medium for E. coli.
Send as growth on appropriate culture medium or in appropriate transport medium. Culture vessel should be leak-proof or sealed appropriately.
Shipping of specimens shall be done by a TDG certified individual in accordance with TDG regulations. For additional information regarding classification of specimens for the purposes of shipping, consult either Part 2 Appendix 3 of the TDG Regulations or section 3.6.2 of the IATA Dangerous Goods Regulations as applicable.
For additional guidance on the transport of infectious substances in other languages, please click on the link below.
Gastroenteritis, septicemia, infection, other.
Completed Enteric Diseases Program requisition form.
PCR amplification of common toxin genes*
- Paton, A.W. and Paton, J. C. 1997. Detection and Characterization of Shiga Toxigenic Escherichia coli by using Multiplex PCR Assays for stx1, stx2, eaeA, Enterohemorrhagic E.coli hlyA, rfb0111, and rfb0157. J. of Clin. Micro. 36: 598 – 602.
7 calendar days for initial toxin type, 15 days for toxin subtyping if required. Note: Turnaround times for routine isolates may be extended during major foodborne outbreak activities or due to limited availability of resources.