Table 3 Comparison of doubling time distribution parameters (Eq. 1) for E. coli in LB, or in LB with sonicated and heat-killed cells at 37°C; S = stationary phase, L = Log phase.
CI ≤ 100 CFU mL-1 | CI ≥ 1000 CFU mL-1 | |||||
|---|---|---|---|---|---|---|
Organism (phase) | α | μτ1 ± στ1 | β | μτ2 ± στ2 | Δμτ | μτ ± στ |
Control LB (S) | 0.48 | 18.0 ± 0.678 | 0.52 | 19.9 ± 2.48 | 1.87 | 17.6 ± 0.708 |
Conditioned LB (S) | 0.21 | 17.8 ± 0.553 | 0.79 | 18.8 ± 1.99 | 1.03 | 17.5 ± 1.06 |
Control LB (L) | 0.35 | 18.2 ± 0.660 | 0.65 | 20.0 ± 2.11 | 1.79 | 17.9 ± 0.645 |
Conditioned LB (L) | 0.31 | 19.1 ± 0.627 | 0.69 | 20.1 ± 2.10 | 0.994 | 18.9 ± 0.700 |
Sonicated, Heat-killed Cells in LB (L) | 0.54 | 21.0 ± 0.690 | 0.46 | 21.3 ± 2.58 | 0.300 | 21.1 ± 0.646 |