Table 5.

Lignin Content and Monomer Composition in Inflorescence Stems of 3-Month-Old Wild-Type, pal1, pal2, and pal1 pal2 Mutants

Genotypemg Lignin/g Cell Wallμmol G/g Ligninμmol S/g LigninMolar Ratio S/G
Wild type200 ± 8761 ± 103154 ± 90.21 ± 0.02
pal1139 ± 2715 ± 56197 ± 150.28 ± 0.003
pal2125 ± 3755 ± 63216 ± 110.30 ± 0.03
pal1 pal269 ± 11020 ± 30389 ± 330.38 ± 0.04
  • Lignin content was determined as acetyl bromide soluble lignin (ABSL). Monomer compositions were determined by DFRC (see Methods). Data were obtained with at least three individuals/genotype; each individual was measured twice. Data are expressed as averages with se.