Table 2.
Doubling time, lag time and maximal OD 600 nm for E. coli wild type and DEA613-adapted straina.
| Strain | Doubling time (min.) |
Lag time (hour) |
Maximal OD 600 nm |
|---|---|---|---|
| Standard laboratory (SLA) | |||
| Wild type | 62.3 ± 2.7 | 2.9 ± 0.1 | 1.7 ± 0.1 |
| T56 culture | 65.1 ± 4.1 | 1.6 ± 0.2 | 1.6 ± 0.0 |
| T56 clone #1 | 65.3 ± 2.7 | 2.0 ± 0.1 | 1.6 ± 0.0 |
| T56 clone #2 | 66.5 ± 4.4 | 2.0 ± 0.2 | 1.6 ± 0.0 |
| T56 clone #3 | 66.8 ± 3.4 | 1.9 ± 0.2 | 1.7 ± 0.0 |
| Diesel exhaust atmosphere (DEA613) | |||
| Wild type | 97.1 ± 3.8 | 2.8 ± 0.1 | 1.5 ± 0.1 |
| T56 culture | 78.7 ± 5.1 | 3.5 ± 0.3 | 1.7 ± 0.0 |
| T56 clone #1 | 70.0 ± 6.5 | 2.5 ± 0.2 | 1.5 ± 0.0 |
| T56 clone #2 | 85.2 ± 5.7 | 2.6 ± 0.3 | 1.5 ± 0.2 |
| T56 clone #3 | 83.8 ± 4.4 | 3.5 ± 0.2 | 1.6 ± 0.1 |
| Urban polluted atmosphere (UPA230) | |||
| Wild type | 66.6 ± 5.3 | 3.2 ± 0.3 | 1.7 ± 0.0 |
aEach value is the mean and standard deviation of three replicates.