Table 2.
Blood Group Antigen–Binding Adhesin (BabA) Expression in Output Strains Recovered from the Second Route of Infection
| Group | Time, months | Gerbil no. | No. of colonies studied | BabA+, no. (%) of colonies | BabA-weak, no. (%) of colonies |
| BabA+ | 1 | 1-1P | 24 | 24 (100) | 0 |
| 1 | 1-2P | 12 | 12 (100) | 0 | |
| 1 | 1-3P | 5 | 4 (80) | 0 | |
| 1 | 1-4P | 7 | 3 (43) | 0 | |
| 1 | 1-5P | 7 | 2 (29) | 0 | |
| 3 | 3-1P | 20 | 3 (15) | 0 | |
| 3 | 3-2P | 9 | 0 | 0 | |
| 3 | 3-3P | 5 | 0 | 0 | |
| 3 | 3-4P | 1 | 0 | 0 | |
| 3 | 3-5P | 13 | 0 | 0 | |
| BabA-weak | 1 | 1-1W | 10 | 0 | 10 (100) |
| 1 | 1-2W | 10 | 0 | 10 (100) | |
| 1 | 1-3W | 9 | 0 | 9 (100) | |
| 1 | 1-4W | 7 | 0 | 7 (100) | |
| 1 | 1-5W | 1 | 0 | 1 (100) | |
| 1 | 1-6W | 5 | 0 | 5 (100) | |
| 1 | 1-7W | 3 | 0 | 3 (100) | |
| 3 | 3-1W | 10 | 0 | 8 (80) | |
| 3 | 3-2W | 10 | 0 | 10 (100) | |
| 3 | 3-3W | 2 | 0 | 2 (100) | |
| 3 | 3-4W | 5 | 0 | 5 (100) | |
| 3 | 3-5W | No colonies recovered | |||
| BabA- | 1 | 1-1N | 6 | 0 | 0 |
| 1 | 1-2N | 5 | 0 | 0 | |
| 1 | 1-3N | 2 | 0 | 0 | |
| 1 | 1-4N | 3 | 0 | 0 | |
| 1 | 1-5N | 3 | 0 | 0 | |
| 3 | 3-1N | 10 | 0 | 0 | |
| 3 | 3-2N | 5 | 0 | 0 | |
| 3 | 3-3N | 5 | 0 | 0 | |
| 3 | 3-4N | 3 | 0 | 0 | |
| 3 | 3-5N | 5 | |||
NOTE. Helicobacter pylori clones used for infection, time of infection, name of gerbil, number of colonies studied from each gerbil, and percentage of the studied colonies with high and weak BabA expression are given in the table.