Table 1.
Infectivity analysis of csrABb mutant in C3H/HeN mice at 21 days postinfection
| Strain and dose (no. of spirochetes/mouse) | No. of cultures positive/no. tested |
No. of mice infected/no. tested | ||||||
|---|---|---|---|---|---|---|---|---|
| Skin | Spleen | Joint | Lymph node | Heart | Bladder | All sites | ||
| wt (B31-A3) | ||||||||
| 103 | 3/3 | 2/3 | 3/3 | 3/3 | 3/3 | 3/3 | 17/18 | 3/3 |
| 105 | 3/3 | 3/3 | 3/3 | 3/3 | 3/3 | 3/3 | 18/18 | 3/3 |
| mt (A3-ES10) | ||||||||
| 103 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/18 | 0/3 |
| 105 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/18 | 0/3 |
| ct (A3-SR50) | ||||||||
| 103 | 3/3 | 1/3 | 3/3 | 3/3 | 3/3 | 3/3 | 16/18 | 3/3 |
| 105 | 3/3 | 3/3 | 3/3 | 3/3 | 3/3 | 3/3 | 18/18 | 3/3 |