Table 2.
Mean time until death of chicken embryos
| L. monocytogenes genotype | BUG strain | Time (h) until 100% deatha | Time (h) until death of at least 50%b | Number of eggs | Number of experiments |
|---|---|---|---|---|---|
| EGDe | BUG 1600 | 41.3 ± 1.35 | 29.8 ± 10.15 | 14 | 2 |
| F2365 | BUG 3012 | 36.5 ± 4.46 | 31.4 ± 4.35 | 26 | 5 |
| F2365 ΔplcA | BUG 3673 | 41.3 ± 1.35 | 41.3 ± 1.35 | 13 | 2 |
| F2365 Δhly | BUG 3671 | – | – | 21 | 4 |
| F2365 ΔplcB | BUG4077 | 44.0 ± 0 | 32.0 ± 0 | 20 | 2 |
| F2365 ΔllsA | BUG 3781 | 31.3 ± 1.89 | 29.3 ± 4.11 | 15 | 3 |
| F2365 pHELP::llsA | BUG 3817 | 30.0 ± 0 | 24.0 ± 0 | 10 | 2 |
| F2365 prfA* | BUG 3651 | 25.4 ± 3.7 | 17.1 ± 2.6 | 9 | 2 |
| F2365 prfA* ΔplcA | BUG 3702 | – | – | 10 | 2 |
| F2365 prfA* Δhly | BUG 3657 | – | – | 19 | 3 |
| F2365 prfA* ΔplcB | BUG 3703 | 41.3 ± 7.9 | 19.3 ± 4.8 | 13 | 2 |
The number of eggs and number of independent experiments are shown.
aMean time (hours) until complete (100%) death of chicken embryos infected with different L. monocytogenes strains.
bMean time (hours) until death of at least 50% of the chicken embryos infected with different L. monocytogenes strains.