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Figure 1 | BMC Plant Biology

Figure 1

From: Identifying new lignin bioengineering targets: 1. Monolignol-substitute impacts on lignin formation and cell wall fermentability

Figure 1

Monolignols and monolignol substitutes used to artificially lignify maize cell walls. Coniferyl alcohol 1 and sinapyl alcohol 2 are the primary monolignols used by angiosperms to form lignin. In our first experiment, we examined partial substitution of 1 and 2 with dihydroconiferyl alcohol 3, guaiacylglycerol 4, methyl caffeate 5, caffeoylquinic acid 6, methyl ferulate 7, feruloylquinic acid 8, epicatechin 9, epigallocatechin 10, or epigallocatechin gallate 11. In our second experiment, we examined partial substitution of 1 with ethyl ferulate 12, feruloyl ethylene glycol 13, 1-O-feruloyl glycerol 14, 1,3-di-O-feruloyl glycerol 15 or 1,4-di-O-feruloyl threitol 16.

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