Table I.
Oligonucleotide primers used for the PCR analysis and DNA typing of H. pylori cagA and vacA.
| Gene | Region | Primer | Sequence (5′ to 3′) | Reference |
|---|---|---|---|---|
| cagA | ||||
| C2(+) | GAATTGTCTGATAAACTTGAAA | 26 | ||
| C3(−) | GCGTATGTGGCTGTTAGTAGCG | |||
| vacA | ||||
| VAS-1F | AGCCGATAGCATCAGAGAAGAAC | 18 | ||
| VAS-11R | TGTGGTGTATGCGTTGTAGGGGTT | |||
| s1a | vacA s1a-F | CTCTCGCTTTAGTAGGAGC | 18 | |
| VA1-R | CTGCTTGAATGCGCCAAAC | |||
| s1b | SS3-F | AGCGCCATACCGCAAGAG | 18 | |
| VA1-R | CTGCTTGAATGCGCCAAAC | |||
| s1c | vacA s1c-F | CTCTCGCTTTAGTGGGGYT | 27 | |
| VA1-R | CTGCTTGAATGCGCCAAAC | |||
| s2 | SS2-F | GCTAACACGCCAAATGATCC | 18 | |
| VA1-R | CTGCTTGAATGCGCCAAAC | |||
| i1 | VacF1 | GTTGGGATTGGGGGAATGCCG | 19 | |
| VacA-C1R | TTAATTTAACGCTGTTTGAAG | |||
| i2 | VacF1 | GTTGGGATTGGGGGAATGCCG | 19 | |
| vacC2R | GATCAACGCTCTGATTTGA | |||
| m1a | VA3-F | GGTCAAAATGCGGTCATGG | 18 | |
| VA3-R | CCATTGGTACCTGTAGAAAC | |||
| m1b | VAm-F3 | GGCCCCAATGCAGTCATGGAT | 18 | |
| VAm-R3 | GCTGTTAGTGCCTAAAGAAGCAT | |||
| m2 | VA4-F | GGAGCCCCAGGAAACATTG | 18 | |
| VA4-R | CATAACTAGCGCCTTGCAC |