TABLE 2.
Target genes and primers used for identification of E. coli O-serogroups using PCR
| O-genotype | Associated O serogroup | Target gene | Primer name | Sequence (5′–3′) | Size (bp) | Reference |
|---|---|---|---|---|---|---|
| Og1 | O1 | wzx | Og1-F | GTGAGCAAAAGTGAAATAAGGAACG | 1098 | 43 |
| Og1-R | CGCTGATACGAATACCATCCTAC | |||||
| Og2 | O2 | wzx | Og2-F | TGGCCTTGTTCGATATACTGCGGA | 813 | 44 |
| Og2-R | TCACGAGCTGAGCGAAACTGTTCA | |||||
| Og8 | O8 | orf469 | Og8-F | CCAGAGGCATAATCAGAAATAACAG | 448 | 43 |
| Og8-R | GCAGAGTTAGTCAACAAAAGGTCAG | |||||
| Og15 | O15 | wzy | Og15-F | TGGGCAATGGATTGGTATCT | 608 | 45 |
| Og15-R | AGGGAAGAACACCGCTCCTAA | |||||
| Og18 | O18 | wzy | Og18ab-F | GTTCGGTGGTTGGATTACAGTTAG | 551 | 43 |
| Og18ab-R | CTACTATCATCCTCACTGACCACG | |||||
| Og35 | O35 | wzy | Og35-F | TGCAGGTGCTTCAATTGGTT | 303 | 45 |
| Og35-R | CCATCCAAATACGGAGCAATT | |||||
| Og78 | O78 | wzx | Og78-F | GGTATGGGTTTGGTGGTA | 992 | 44 |
| Og78-R | AGAATCACAACTCTCGGCA | |||||
| Og88 | O88 | wzy | Og88-F | CTGCGCTTGGAGCATTCTAT | 781 | 43 |
| Og88-R | GGCGCGAAACTTTCATATGC | |||||
| Og109 | O109 | wzy | Og109-F | GGATAATGGGGGTGGTTTTT | 409 | 45 |
| Og109-R | GCTTCCCATCCTTGCAGATAT |