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| Treatment | ppGpp, pmol/g |
|---|---|
| Light (12 h) (control) | 5.6 ± 0.7 |
| Light (12 h) to dark (1 h) | 11.5 ± 4.4 |
| Dark (12 h) | 1.0 ± 0.7 |
| Dark (12 h) to light (1 h) | 4.3 ± 1.9 |
Details of each treatment are described in Materials and Methods. The values are means ± SD of three separate experiments.
