TABLE 4

Lignin monomer composition in wild type and altered fluorescence mutants

LineTotal G unitsa (μmol g−1 d.w.)Total S unitsb (μmol g−1 d.w.)Total G + S units (μmol g−1 d.w.)S (mol%)
Wild type265 ± 31131 ± 11396 ± 4133.0 ± 1.3
fah1-2335 ± 64ND335 ± 64
ref1-1320 ± 135196 ± 56516 ± 19038.8 ± 3.7
ref1-2406 ± 68264 ± 90670 ± 15738.8 ± 3.9
ref2-1210 ± 5642 ± 16252 ± 4217.6 ± 8.6
ref2-2354 ± 4767 ± 18421 ± 6415.7 ± 1.8
ref3-263 ± 1738 ± 12101 ± 2837.4 ± 1.3
ref3-3122 ± 60110 ± 68232 ± 12745.0 ± 6.4
ref4-1168 ± 3672 ± 16240 ± 5129.7 ± 1.4
ref4-3154 ± 1976 ± 17230 ± 2933.0 ± 4.6
brt1-1303 ± 17142 ± 6446 ± 2331.9 ± 0.7
brt1-4256 ± 6127 ± 6383 ± 933.1 ± 1.0
  • ND, not detectable; d.w., dry weight.

  • a Sum of vanillin plus vanillic acid.

  • b Sum of syringaldehyde plus syringic acid.