Table 1.
Strains
| Strain | Origin | Total no. of genes present from microarray | No. of J99-specific genes | No. of 26695-specific genes | Ref. |
|---|---|---|---|---|---|
| 26695 | U.K., gastritis | 1,556 | 0 | 105 | 15 |
| J99 | U.S., ulcer | 1,511 | 73 | 7* | 14 |
| 87A300 | U.S. | 1,487 | 26 | 44 | 29 |
| AR32 | U.S., ulcer | 1,510 | 48 | 36 | This study |
| H34 | U.S., gastritis | 1,449 | 31 | 37 | This study |
| HP1 | Peru, ulcer | 1,506 | 43 | 52 | 30 |
| SPM-292 | Italy | 1,453 | 19 | 44 | 31 |
| SPM-314 | Italy | 1,526 | 58 | 57 | 31 |
| SPM-326 | Italy | 1,514 | 24 | 61 | 31 |
| SPM-342 | Italy | 1,477 | 13 | 55 | 31 |
| G27 | Italy | 1,476 | 24 | 53 | 32 |
| G39 | Italy | 1,488 | 25 | 44 | 32 |
| G50 | Italy | 1,499 | 52 | 54 | 32 |
| SS1 | Australia | 1,463 | 28 | 40 | 33 |
| NCTC11638 | Australia | 1,502 | 23 | 57 | 34 |
| H. pylori microarray | 1,643 | 73 | 105 |
*
These represent false-positive measurements as described in Materials and Methods.