Table II.
Analysis of the main lignin-derived monomers obtained by thioacidolysis of extract-free wood from transgenic and control poplars: total yield and relative frequency of S, G, and 5-OH G monomers
| Line | Total Yield | S/G/5-OH G |
|---|---|---|
| μmol g−1 KL | % molar | |
| Three months old | ||
| ASCAD52 | 1670 | 57 /43/− |
| ASCAD21 | 1700 | 53 /47/− |
| SCAD1 | 1920 | 58 /42/− |
| Control | 1500 | 59 /41/− |
| ASOMT2B | 1300 | 18 /75/7 |
| ASOMT10B | 1280 | 25 /70/5 |
| Six months old | ||
| ASCAD52 | 2060 | 67 /33/− |
| ASCAD21 | 1930 | 67 /33/− |
| SCAD1 | 2030 | 69 /31/− |
| Control | 2150 | 67 /33/− |
| ASOMT2B | 1470 | 29 /65/6 |
| ASOMT10B | 1610 | 31 /64/5 |
| Two years old | ||
| ASCAD52 | 2360 | 66 /34/− |
| ASCAD21 | 2235 | 65 /35/− |
| SCAD1 | 2580 | 66 /34/− |
| Control | 2580 | 64 /36/− |
| ASOMT2B | 1570 | 41 /53/6 |
| ASOMT10B | 1610 | 30 /62/8 |
For each line, measurements were done from one (3 and 6 months old) or five plants (2 years old). The 5-OH G monomer occurred as a trace amount in control and CAD lines. KL, Klason lignin.