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| Region | Primer | Primer sequence | PCR product size (bp) |
|---|---|---|---|
| cagA | F1 | GAGCAATCGCTTACGCTCAG | 250 |
| R1 | GTGAATGGAACCCTAGTCGG | ||
| vacA | |||
| m1 | VA3-F | GGTCAAAATGCGGTCATGG | 290 |
| VA3-R | CCATTGGTACCTGTAGAAAC | ||
| m2 | VA4-F | GGAGCCCCAGGAAACATTG | 352 |
| VA4-R | CATAACTAGCGCCTTGCAC | ||
| s1b | SS3-R | AGCGCCATACCGCAAGAG | 187 |
| VA1-R | CTGCTTGAATGCGCCAAAC | ||
| s1a | SS1-R | GTCAGCATCACACCGCAAC | 190 |
| VA1-R | CTGCTTGAATGCGCCAAAC | ||
| s2 | SS2-R | GCTAACACGCCAAATGATGC | 199 |
| VA1-R | CTGCTTGAATGCGCCAAAC |
