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Table 1 Lignin content, lignin monomer composition, and level of cell-wall bound phenolics

From: Identification of enzymatic genes with the potential to reduce biomass recalcitrance through lignin manipulation in Arabidopsis

Line

ASL (µg/mgAIR)

AIL (µg/mgAIR)

Total lignin (µg/mgAIR)

G unit (µmol/lignin)

S unit (µmol/lignin)

monomer yield (µmol/lignin)

S/G

PA

FA

Wild type

13 (0)

235 (20)

247 (19)

168 (27)

75 (12)

0.98 (0.12)

0.46 (0.03)

1

1

PkC4Hpro::F5H

21 (5)

186 (28)

207 (24)

39 (17)***

146 (42)**

0.89 (0.26)

11.13 (5.03)*

ND

ND

PkC4Hpro::calB

13 (1)

208 (15)

221 (15)

117 (32)**

58 (16)*

0.77 (0.21)*

0.51 (0.14)*

0.19

0.65

PkC4Hpro::couA

16 (1)***

211 (28)

227 (29)

68 (25)***

44 (15)**

0.49 (0.18)***

0.69 (0.22)***

4.0**

8.1**

PkC4Hpro::F6H1

13 (0)

231 (21)

244 (21)

91 (28)***

45 (14)**

0.55 (0.17)***

0.52 (0.15)*

ND

ND

  1. ASL, acid soluble lignin expressed as µg/mgAIR
  2. AIL, acid insoluble lignin expressed as µg/mgAIR
  3. Total lignin, summed value of ASL and AIL
  4. PA, cell-wall bound p-coumaric acid (expressed as relative level compared to wild type)
  5. FA, cell-wall bound ferulic acid (expressed as relative level compared to wild type)
  6. Each values indicate average. Numbers in parentheses are 95% confidential intervals
  7. ND, not determined
  8. *; P<0.05, **; P<0.01, ***; P<0.001