Table 3.
Total Chl concentration, Chl a/b ratio, and Chl/carotenoid ratio (Chl/Car) in leaves of the indicated genotypes
Pigment concentrations were measured before or immediately after the 5 d light treatment.
| Genotype | Chl content (µg g–1 FW) | Chl a/b | Chl/Car | |||
|---|---|---|---|---|---|---|
| Large chloroplasts | Before treatment | After 5 d light regime | Before treatment | After 5 d light regime | Before treatment | After 5 d light regime |
| Col-0 | 1190.9 ± 113.6 | 954.5 ± 27.3 | 2.9 ± 0.2 | 3.7 ± 0.2 | 4.2 ± 0.1 | 3.7 ± 0.1 |
| arc6-5 | 1002.4 ± 62.94* (84.2) | 781 ± 35.4* (81.8) | 3.07 ± 0.16* | 5.2 ± 0.6* | 4.23 ± 0.01 | 3.4 ± 0.1* |
| arc5-2 | 979.7 ± 11.9* (82.3) | 898.7 ± 15.6* (94.1) | 3.2 ± 0.3 | 3.8 ± 0.1 | 4.2 ± 0.1 | 3.7 ± 0.04 |
| arc12 | 1032.3 ± 14.9* (86.7) | 841.8 ± 26.3* (88.2) | 3.03 ± 0.2 | 4.2 ± 0.4* | 4.2 ± 0.1 | 3.6 ± 0.1 |
| pdv1-1 | 1095.7 ± 42.4 (92) | 1002.9 ± 46.2 (105.1) | 2.8 ± 0.1 | 4.5 ± 0.7 | 4.2 ± 0.1 | 3.7 ± 0.02 |
| pdv2-1 | 1038.9 ± 62.6* (87.2) | 869.1 ± 74 (91) | 3.1 ± 0.3 | 3.9 ± 0.4 | 4.3 ± 0.1 | 3.7 ± 0.1 |
| pdv1-1pdv2-1 | 1185.1 ± 83.8 (99.5) | 878.6 ± 35.8* (92) | 3.6 ± 0.4* | 4.0 ± 0.5 | 4.2 ± 0.2 | 3.7 ± 0.1 |
| Intermediate chloroplasts | ||||||
| Col-0 | 1107.2 ± 41.7 | 893.7 ± 21.1 | 2.6 ± 0.1 | 3.4 ± 0.1 | 4.2 ± 0.1 | 3.9 ± 0.1 |
| ftsZ1-1 | 1069.6 ± 43.2 (96.6) | 793.6 ± 46.2* (88.8) | 3.4 ± 0.2* | 3.8 ± 0.2* | 4.1 ± 0.03* | 3.7 ± 0.1* |
| ftsZ2-2 | 1024.5 ± 76.9 (92.5) | 893.1 ± 9.12 (99.9) | 3.3 ± 0.3* | 3.8 ± 0.1* | 4.1 ± 0.05* | 3.8 ± 0.03 |
| arc3-2 | 1049.03 ± 23.3* (94.7) | 744.8 ± 38.33* (83.3) | 2.9 ± 0.3 | 4.0 ± 0.2* | 4.3 ± 0.1 | 3.6 ± 0.03* |
| fzl | 984.1 ± 62.9* (88.9) | 788.5 ± 36.16* (88.2) | 3.2 ± 0.3* | 4.3 ± 0.1* | 3.9 ± 0.1 | 3.5 ± 0.1* |
| parc6 -1 | 1024.9 ± 47.3* (92.6) | 747.3 ± 41.54* (83.6) | 3.1 ± 0.1* | 4.7 ± 0.2* | 4.3 ± 0.1 | 3.5 ± 0.04* |
| Ler | 1069.5 ± 55.7 | 945.9 ± 29.2 | 2.5 ± 0.2 | 4.1 ± 0.4 | 4.4 ± 0.05 | 3.7 ± 0.1 |
| arc11 | 1009.2 ± 80.4 (94.4) | 925.9 ± 16.3 (97.9) | 2.9 ± 0.1* | 4.4 ± 0.5 | 4.5 ± 0.1 | 3.6 ± 0.003* |
| Ws-2 | 1013 ± 86.2 | 795.9 ± 47.9 | 2.5 ± 0.2 | 4.02 ± 0.4 | 4.4 ± 0.2 | 3.7 ± 0.1 |
| minD1-1 | 1092.4 ± 69.5 (107.8) | 752.9 ± 71.04 (94.6) | 2.8 ± 0.3 | 4.3 ± 0.1 | 4.4 ± 0.1 | 3.6 ± 0.1 |
| Small Chloroplasts | ||||||
| Col-0 | 1070.5 ± 64.2 | 847.3 ± 39.5 | 2.8 ± 0.04 | 3.3 ± 0.2 | 4.1 ± 0.02 | 3.6 ± 0.1 |
| 35S-PDV1 35S-PDV2 | 929.8 ± 60.3* (86.5) |
832.5 ± 29.7 (98.2) |
2.8 ± 0.1 | 3.3 ± 0.2 | 4.2 ± 0.1* | 3.5 ± 0.1 |
For all data points, n=4–6 and error represents ±SD. Values marked with asterisks are significantly different from those in the relevant WT (Student’s t-test; P≤0.05).