Table 3.
Doubling time of pneumococcal strains used.
| Strain |
Duplication time (min)1 |
|
|---|---|---|
| 37°C | 30°C | |
| TIGR4 | 42.8 ± 1.9 | n.d. |
| TIGR4ΔssrA | 61.7 ± 2.4 | n.d. |
| R6 | 48.6 ± 0.9 | 65.4 ± 1.0 |
| R6ΔssrA | 62.2 ± 2.2 | 95.7 ± 4.5 |
| R6ΔssrA(ROM) | 85.4 ± 5.6 | 108.1 ± 10.1 |
| R6ΔssrA(ssrA+) | 41.0 ± 2.4 | 68.6 ± 1.5 |
1Values were calculated from growth curves performed in A+SY medium at 37 or 30°C in a TECAN infinite F200 plate reader and are the average ± standard deviation of, at least, three independent experiments. n.d., not determined.