TABLE 2.
Doubling times of wild-type and cpcM mutants of Synechococcus sp. strain PCC 7002 and of Synechocystis sp. strain PCC 6803 under different light conditions
| Light intensity (μmol photons m−2 s−1) | Mean doubling time (h) ± SD for strain:
|
|||
|---|---|---|---|---|
| 7002
|
6803
|
|||
| Wild type | cpcM mutant | Wild type | cpcM mutant | |
| 50 | 8.5 ± 0.3 | 8.7 ± 0.4 | 12.3 ± 0.3 | 12.8 ± 0.4 |
| 140 | 5.8 ± 0.2 | 6.1 ± 0.3 | 8.2 ± 0.3 | 11.4 ± 0.3 |
| 260 | 4.3 ± 0.2 | 4.8 ± 0.3 | 6.7 ± 0.3 | 48.4 ± 2.2 |
| 390 | 3.6 ± 0.1 | 4.4 ± 0.3 | 7.4 ± 0.3 | NMa |
a
NM, not measurable. Cells did not grow under this condition.