Table IV. Concentrations of major salicinoids and dihydromyricetin in MYB115-overexpressing and control leaves as determined by HPLC-UV.
Concentrations are expressed as mg g−1 dry weight ± se. Significant differences from controls were determined by one-way ANOVA and are indicated by boldface type and asterisks (*, P ≤ 0.05; **, P ≤ 0.01; and ***, P ≤ 0.001). n.d., not detected.
| Compound |
P. tremula × P. tremuloides (353-38) |
P. tremula × P. alba (717-1B4) |
|||||
|---|---|---|---|---|---|---|---|
| Control | MYB115 Line 4 | MYB115 Line 5 | Control | MYB115 Line 1 | MYB115 Line 2 | MYB115 Line 3 | |
| Salicortin | 90.05 ± 20.07 | 15.18 ± 0.79* | 17.76 ± 3.19* | 41.92 ± 3.04 | 21.29 ± 3.52** | 19.87 ± 7.54* | 16.22 ± 4.78** |
| Tremulacin | 76.26 ± 13.34 | 12.71 ± 2.15** | 14.37 ± 3.43** | 60.61 ± 7.60 | 31.56 ± 7.59* | 29.61 ± 12.12 | 22.88 ± 7.32** |
| Salicin | 0.48 ± 0.13 | 0.33 ± 0.01 | 0.33 ± 0.06 | 3.19 ± 0.10 | 0.51 ± 0.07*** | 0.35 ± 0.13*** | 0.43 ± 0.10*** |
| Dihydromyricetin | n.d. | 3.00 ± 0.65 | 4.68 ± 1.87 | n.d. | n.d. | n.d. | n.d. |