Table 5.
Strain-specific genes present exclusively in H. pylori strains associated with gastric cancer or premalignant lesions
| Number of genes in the indicated strainsa | ||||
| 98-10, B128, and HPAG1 | 98-10 and B128 | 98-10 and HPAG1 | B128 and HPAG1 | |
| Total number of strain-specific genesa | 10 | 16 | 2 | 14 |
| Functional class | ||||
| Restriction/modification | 5 | 6 | 2 | 4 |
| Hypothetical | 3 | 9 | 0 | 4 |
| No database match | 0 | 2 | 0 | 0 |
| Closest match lacks known function | 3 | 7 | 0 | 4 |
| Other | 2 | 1 | 0 | 6 |
aPresent in the indicated strains, but not in the other strains for which genome sequences are available.