Table 2.
Pigment characteristics of C. reinhardtii strains
| Strain | Growth PFD, μmol photons m−2⋅s−1 | Chl a/Chl b (n) | (A+Z)/(V+A+Z) (n) | (V+A+Z)/Chl a, mmol/mol (n) | Lutein/Chl a, mmol/mol (n) | Loroxanthin/Chl a, mmol/mol (n) |
|---|---|---|---|---|---|---|
| Wild type | 70 | 2.64 ± 0.04 (6) | 0.066 ± 0.020 (2) | 72.1 ± 5.4 (2) | 115.2 ± 6.0 (2) | 58.9 ± 3.1 (2) |
| npq1 | 70 | 2.64 ± 0.03 (6) | 0.000 ± 0.000 (2) | 73.6 ± 5.1 (2) | 113.1 ± 6.3 (2) | 57.7 ± 2.8 (2) |
| lor1 | 70 | 4.02 ± 0.10 (6) | 0.213 ± 0.004 (2) | 221.5 ± 12.1 (2) | 0.0 ± 0.0 (2) | 0.0 ± 0.0 (2) |
| npq1 lor1 | 70 | 4.04 ± 0.07 (6) | 0.108 ± 0.001 (2) | 219.1 ± 15.1 (2) | 0.0 ± 0.0 (2) | 0.0 ± 0.0 (2) |
| Wild type | 350 | 2.87 ± 0.05 (3) | 0.598 ± 0.035 (2) | 114.3 ± 1.9 (2) | 209.8 ± 1.2 (2) | 20.2 ± 1.7 (2) |
| npq1 | 350 | 2.90 ± 0.02 (3) | 0.001 ± 0.001 (2) | 125.3 ± 12.1 (2) | 215.3 ± 20.4 (2) | 21.3 ± 0.1 (2) |
| lor1 | 350 | 4.17 ± 0.11 (3) | 0.696 ± 0.075 (2) | 320.8 ± 22.3 (2) | 0.0 ± 0.0 (2) | 0.0 ± 0.0 (2) |
| npq1 lor1 | 350 | 4.70 ± 0.29 (3) | 0.195 ± 0.001 (2) | 440.0 ± 46.8 (2) | 0.0 ± 0.0 (2) | 0.0 ± 0.0 (2) |
Pigment determination by HPLC was performed on samples of exponentially growing cells that were taken during the middle of the light period. Each value is the mean ± SD (or for n = 2, mean ± difference from the mean).