Photosynthetic and physiological parameters measured on leaves of wild-type (WT) S. viridis and two transgenic lines overexpressing SBPase at growth light intensity.
| Parameter . | WT . | Line 2 . | Line 3 . |
|---|---|---|---|
| Relative chlorophyll (SPAD) | 43.57 ± 0.83 | 42.02 ± 1.18 | 43.00 ± 0.95 |
| Starch content (g m−2) | 0.42 ± 0.15 | 0.69 ± 0.26 | 0.41 ± 0.05 |
| Leaf thickness (mm) | 0.59 ± 0.08 | 0.64 ± 0.07 | 0.58 ± 0.09 |
| Aboveground biomass, g (DW) plant-1 | 0.24 ± 0.03 | 0.25 ± 0.05 | 0.28 ± 0.03 |
| PhiPSII | 0.62 ± 0.01 | 0.62 ± 0.01 | 0.63 ± 0.02 |
| PhiNO | 0.21 ± 0.01 | 0.20 ± 0.01 | 0.20 ± 0.01 |
| PhiNPQ | 0.17 ± 0.01 | 0.18 ± 0.01 | 0.17 ± 0.01 |
| gH+ | 240.4 ± 18.2 | 239.4 ± 7.2 | 255.1 ± 15.2 |
| Parameter . | WT . | Line 2 . | Line 3 . |
|---|---|---|---|
| Relative chlorophyll (SPAD) | 43.57 ± 0.83 | 42.02 ± 1.18 | 43.00 ± 0.95 |
| Starch content (g m−2) | 0.42 ± 0.15 | 0.69 ± 0.26 | 0.41 ± 0.05 |
| Leaf thickness (mm) | 0.59 ± 0.08 | 0.64 ± 0.07 | 0.58 ± 0.09 |
| Aboveground biomass, g (DW) plant-1 | 0.24 ± 0.03 | 0.25 ± 0.05 | 0.28 ± 0.03 |
| PhiPSII | 0.62 ± 0.01 | 0.62 ± 0.01 | 0.63 ± 0.02 |
| PhiNO | 0.21 ± 0.01 | 0.20 ± 0.01 | 0.20 ± 0.01 |
| PhiNPQ | 0.17 ± 0.01 | 0.18 ± 0.01 | 0.17 ± 0.01 |
| gH+ | 240.4 ± 18.2 | 239.4 ± 7.2 | 255.1 ± 15.2 |
SPAD, soil plant analysis development; DW, dry weight; PhiPSII, the effective quantum yield of Photosystem II; PhiNPQ, the yield of non-photochemical quenching; PhiNO, the yield of non-regulated non-photochemical reactions in PSII; gH+, proton conductivity of the thylakoid membrane. Mean ± Se, n = 6–7 biological replicates. No statistically significant differences were found between transgenic and WT plants (P < 0.05, t test).
Photosynthetic and physiological parameters measured on leaves of wild-type (WT) S. viridis and two transgenic lines overexpressing SBPase at growth light intensity.
| Parameter . | WT . | Line 2 . | Line 3 . |
|---|---|---|---|
| Relative chlorophyll (SPAD) | 43.57 ± 0.83 | 42.02 ± 1.18 | 43.00 ± 0.95 |
| Starch content (g m−2) | 0.42 ± 0.15 | 0.69 ± 0.26 | 0.41 ± 0.05 |
| Leaf thickness (mm) | 0.59 ± 0.08 | 0.64 ± 0.07 | 0.58 ± 0.09 |
| Aboveground biomass, g (DW) plant-1 | 0.24 ± 0.03 | 0.25 ± 0.05 | 0.28 ± 0.03 |
| PhiPSII | 0.62 ± 0.01 | 0.62 ± 0.01 | 0.63 ± 0.02 |
| PhiNO | 0.21 ± 0.01 | 0.20 ± 0.01 | 0.20 ± 0.01 |
| PhiNPQ | 0.17 ± 0.01 | 0.18 ± 0.01 | 0.17 ± 0.01 |
| gH+ | 240.4 ± 18.2 | 239.4 ± 7.2 | 255.1 ± 15.2 |
| Parameter . | WT . | Line 2 . | Line 3 . |
|---|---|---|---|
| Relative chlorophyll (SPAD) | 43.57 ± 0.83 | 42.02 ± 1.18 | 43.00 ± 0.95 |
| Starch content (g m−2) | 0.42 ± 0.15 | 0.69 ± 0.26 | 0.41 ± 0.05 |
| Leaf thickness (mm) | 0.59 ± 0.08 | 0.64 ± 0.07 | 0.58 ± 0.09 |
| Aboveground biomass, g (DW) plant-1 | 0.24 ± 0.03 | 0.25 ± 0.05 | 0.28 ± 0.03 |
| PhiPSII | 0.62 ± 0.01 | 0.62 ± 0.01 | 0.63 ± 0.02 |
| PhiNO | 0.21 ± 0.01 | 0.20 ± 0.01 | 0.20 ± 0.01 |
| PhiNPQ | 0.17 ± 0.01 | 0.18 ± 0.01 | 0.17 ± 0.01 |
| gH+ | 240.4 ± 18.2 | 239.4 ± 7.2 | 255.1 ± 15.2 |
SPAD, soil plant analysis development; DW, dry weight; PhiPSII, the effective quantum yield of Photosystem II; PhiNPQ, the yield of non-photochemical quenching; PhiNO, the yield of non-regulated non-photochemical reactions in PSII; gH+, proton conductivity of the thylakoid membrane. Mean ± Se, n = 6–7 biological replicates. No statistically significant differences were found between transgenic and WT plants (P < 0.05, t test).
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