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Abscessogenic potential of B. fragilis 9343 and 9343ΔPSA
| Strain | No. of mice with abscesses/no. tested
at a dose of:
|
AD50 (log10) | Pa | ||||
|---|---|---|---|---|---|---|---|
| 108 | 107 | 106 | 105 | 104 | |||
| 9343 | 17/20 | 13/15 | 12/15 | 7/15 | 5/15 | 5.2 | |
| 9343ΔPSA | 3/20 | 5/15 | 4/15 | 2/15 | 1/15 | 14.9 | <0.0001 |
Compared with the value for B. fragilis 9343.
