Table 1.
LD 50 (means ± SEM) * | ||
---|---|---|
Strains | 48 h | 72 h |
G27 | 2.8 (±0.4) × 105 | 2.4 (±0.2) × 105 |
G27ΔcagA | 3.1 (±0.04) × 106 | |
G27ΔcagE | 2.4 (±0.06) × 106 | |
G27ΔcagPAI | 2.0 (±0.01) × 106 | |
60190 | 6.1 (±0.4) × 105 | 1.4 (±0.04) × 106 |
60190ΔvacA | 8.2 (±0.04) × 106 | |
60190ΔcagA | 9.7 (±0.04) × 106 | |
60190ΔcagE | 9.5 (±0.06) × 106 | |
60190Urease-negative | 8.7 (±0.04) × 106 | |
M5 | 12.8 (±0.3) × 105 | 2.1 (±0.08) × 105 |
M5 ggt::aph | 12.0 (±0.6) × 105 | 1.0 (±0.1) × 105 |
*The LD50 values were expressed in Colony Forming Units (CFUs).