Table 1 Lignin composition of poplar transgenic milled wood particles and products of catalytic delignification
From: Overcoming cellulose recalcitrance in woody biomass for the lignin-first biorefinery
Genotype | Lignin compositiona | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
H | Gb | OH-Gb | S | |||||||||
DFRC (mol%) | NMR (mol%) | ESI (mol%) | DFRC (mol%) | NMR (mol%) | ESI (mol%) | DFRC (mol%) | NMR (mol%) | ESI (mol%) | DFRC (mol%) | NMR (mol%) | ESI (mol%) | |
Control (INRA 717) (1) | 0.7 ± 0.0 | nd | 1.7 ± 0.0 | 32.7 ± 0.0 | 29 | 25.2 ± 1.5 | – | – | 8.2 ± 0.2 | 66.6 ± 0.0 | 71 | 65.0 ± 1.3 |
AtC4H:F5H-37 (2) | 0.6 ± 0.1 | nd | 0.8 ± 0.0 | 6.3 ± 0.4 | 6 | 19.2 ± 1.5 | – | – | 6.0 ± 0.2 | 93.1 ± 0.3 | 94 | 73.9 ± 1.4 |
AtC4H:F5H-64 (3) | 0.6 ± 0.1 | nd | 1.0 ± 0.0 | 13.7 ± 0.3 | 13 | 21.2 ± 0.7 | – | – | 6.1 ± 0.2 | 85.7 ± 0.4 | 87 | 71.6 ± 0.5 |
AtC4H:F5H2 RNAi (4) | 0.3 ± 0.5 | nd | 2.1 ± 0.1 | 47.2 ± 0.6 | 42 | 33.2 ± 1.0 | – | – | 11.2 ± 0.5 | 52.4 ± 1.0 | 58 | 53.5 ± 1.4 |
35S:F5H2 RNAi (5) | 0.9 ± 0.2 | nd | 2.4 ± 0.1 | 42.2 ± 1.0 | 36 | 28.6 ± 0.3 | – | – | 12.2 ± 0.2 | 56.8 ± 12.0 | 64 | 56.8 ± 0.4 |
AtC4H:COMTa RNAi (6) | 0.8 ± 0.0 | nd | 1.7 ± 0.1 | 44.8 ± 0.3 | 37 | 24.0 ± 1.1 | – | – | 32.2 ± 1.1 | 54.4 ± 0.3 | 63 | 42.0 ± 2.3 |
35S:COMTa RNAi (7) | 0.0 ± 0.0 | nd | 1.6 ± 0.1 | 79.2 ± 0.6 | 64 | 39.1 ± 1.8 | – | – | 41.0 ± 3.5 | 20.8 ± 0.6 | 36 | 18.3 ± 1.7 |