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Virulence of CsrR mutant and wild-type strains in mice after intraperitoneal challenge
| Strain | LD50 (95% confidence interval) | P valuea |
|---|---|---|
| 515 (wild type) | 4.23 × 102 (2.19 × 102-8.13 × 102) | |
| 515csrRΔ | 2.42 × 105 (1.29 × 105-4.57 × 105) | <0.0001 |
| 515csrRrep | 8.90 × 102 (4.07 × 102-1.91 × 103) | 0.41 |
| 2603 (wild type) | 3.22 × 105 (8.32 × 104-1.23 × 106) | |
| 2603csrRΔ | 6.57 × 106 (1.48 × 106-2.57 × 107) | 0.005 |
P value comparing the value for the mutant strain to the value for the wild-type strain.
