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PCR control strains used in this study.
| Strain | Positive gene (s) |
|---|---|
| ETEC H10407 | elt and est |
| EHEC EDL933 | sxt1 and sxt2 |
| EPEC 2349/69 | eae and bfpA |
| EAEC O42 | aggR and aaf genes |
| Shigella flexneri | ipaH |
| J53pMG252 | qnrA |
| J53pMG298 | qnrB |
| J53pMG306 | qnrS |
| Salmonella SA20042859 | aac(6′)-Ib |
