Table 1. Primers and probes.
| Name | Sequencea | Positionb |
| Stx1 forward | CATCGCGAGTTGCCAGAAT | 803 |
| Stx1 reverse | TCCCACGGACTCTTCCATCT | 874 |
| Stx1 probe | Q670-ATCTGATGATTTCCTTCTATGTGTCCG-BHQ2 | 825 |
| Stx2abc forward | GGACCACATCGGTGTCTGTTATT | 167 |
| Stx2abc reverse | CCCTCGTATATCCACAGCAAAAT | 234 |
| Stx2abc probe | CFO560-CCACACCCCACCGGCAGT-BHQ1 | 192 |
| Stx2ex forward | GAAACTGCTCCTGTTTATACGATGAC | 616 |
| Stx2ex reverse | CCGGAAGCACATTGCTGAT | 697 |
| Stx2ex probe | FAM-CCCCCAGTTCAGAGTGAGGTCCACG-BHQ1 | 675 |
| Stx2f forward | CGCTGTCTGAGGCATCTCC | 608 |
| Stx2f reverse | TCCTCTGTACTCTGGAAGAACATTAC | 708 |
| Stx2f probe | CFR610-TTATACAATGACGGCTCAGGATGTTGACCTTACC-BHQ2 | 630 |
| ompA forwardc | CAGTGATGCGAATCTATGCCAAGATAACACCTGGTACACTGG | 72 |
| ompA reversec | TGCCAATCGCATGCTTTGCCTATGTGTGCGTCACCGATGTTG | 517 |
| seq ompAf | CAGTGATGCGAATCTATGCCA | NA |
| seq ompAr | TGCCAATCGCATGCTTTGCCTA | NA |
a
Fluorescent probe labels are Q670, Quasar 670; CFO560, CAL Fluor Orange 560; FAM, Carboxyfluorescein and CFR610, CAL Fluor Red 610. Quenchers are BHQ, Black Hole Quencher 1 and 2 (Biosearch, Novato, CA).
b
Position is relative to the coding region of stx1, stx2A or ompA from EDL933.
c
ompA forward and reverse sequences in BOLD are homologous to ompA.