Table 3.
Chemical composition of stem segments (PI = 5 to PI = 15) of SuSy transgenic and wild-type poplar trees
| Transgenic Line | % Carbohydrates |
% Lignin |
||||||
|---|---|---|---|---|---|---|---|---|
| Arabinose | Galactose | Glucose | Xylose | Mannose | Rhamnose | Acid soluble | Acid insoluble | |
| Control | 0.53 (0.03) | 1.00 (0.08) | 36.56 (1.05) | 15.49 (0.22) | 1.65 (0.05) | 0.50 (0.01) | 3.94 (0.26) | 20.15 (0.46) |
| 2 × 35S::SuSy 1 | 0.36 (0.02)*† | 0.93 (0.03) | 40.97 (1.06)*† | 15.33 (0.34) | 2.34 (0.36) | 0.55 (0.02) | 2.72 (0.02)*† | 20.68 (0.55) |
| 2 × 35S::SuSy 2 | 0.43 (0.03)† | 0.99 (0.02) | 40.71 (0.87)*† | 15.82 (0.74) | 2.38 (0.38) | 0.51 (0.03) | 3.16 (0.32) | 20.92 (0.12) |
| 2 × 35S::SuSy 3 | 0.41 (0.01)*† | 1.03 (0.01) | 41.01 (1.09)*† | 16.03 (0.95) | 2.41 (0.25)† | 0.51 (0.01) | 3.56 (0.43) | 22.50 (1.78) |
| 4CL::SuSy 1 | 0.47 (0.01) | 1.04 (0.05) | 39.82 (0.86)† | 16.32 (0.89) | 2.13 (0.12)*† | 0.54 (0.02) | 3.26 (0.16)† | 19.65 (0.33) |
| 4CL::SuSy 2 | 0.37 (0.0)*† | 1.03 (0.11) | 41.27 (1.49)† | 15.16 (0.03) | 2.25 (0.42) | 0.49 (0.00) | 3.23 (0.30) | 19.55 (0.51) |
| 4CL::SuSy 3 | 0.42 (0.05) | 0.99 (0.04) | 39.32 (0.98) | 15.86 (0.22) | 2.22 (0.33) | 0.47 (0.03) | 3.48 (0.10) | 20.41 (1.20) |
| 4CL::SuSy 4 | 0.40 (0.04)† | 1.03 (0.07) | 39.75 (0.55)† | 15.78 (0.43) | 1.91 (0.12) | 0.51 (0.06) | 3.36 (0.13) | 20.74 (0.47) |
Mean (SE) values were calculated from 3 plants per line.
*, significance at α = 0.05;
†, significant difference from control values at α = 0.10.