Table 2.
CFU decline compared to QO2 increase for cultures transitioning from stationary phase to long-term stationary phasea
| Strain | SP |
LTSP |
CFU ml−1 ratio (SP/LTSP) | QO2 ratio (LTSP/SP) | ||||
|---|---|---|---|---|---|---|---|---|
| Day | log10 (CFU ml−1) | log10 (QO2) | Day | log10 (CFU ml−1) | log10 (QO2) | |||
| Escherichia coli K-12 | 39 | 8.8 ± 0.1 | −9.5 ± 0.4 | 67 | 8.1 ± 0.2 | −8.5 ± 0.4 | 4 ± 2 | 9 ± 4 |
| Shewanella oneidensis MR-1 | 4.5 | 8.5 ± 0.1 | −7.6 ± 0.8 | 22.5 | 7.0 ± 0.4 | −6.9 ± 0.6 | 34 ± 2 | 5 ± 10 |
| M. aquaeolei | 10 | 8.9 ± 0.2 | −8.3 ± 0.5 | 43 | 7.7 ± 0.1 | −8.1 ± 0.3 | 16 ± 2 | 2 ± 4 |
a
CFU ml−1 and QO2 (μmol O2 CFU−1 d−1) values are from Fig. 1. Uncertainties are as explained in the text. SP, stationary phase; LTSP, long-term stationary phase.