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. 2011 Jan 18;16(1):710–727. doi: 10.3390/molecules16010710

Figure 1.

Alternative models or pathways of monolignol transport in angiosperms and gymnosperms.

Figure 1

The symplastic monolignols may directly export to the cell wall through passive diffusion or by active transport. Alternatively, monolignols may be sequestrated as glucoconjugates into vacuole in gymnosperms. The stored glucosides may then be transported to the cell wall and hydrolyzed to the free monolignols for polymerization.