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1. Pathways of substrate generation
The synthases and glycosyl transferases involved in the synthesis of cell-wall
polysaccharides use nucleotide-sugars exclusively as activated substrates.
The de novo synthesis of cell-wall monosaccharides occurs via the nucleotide-sugar
interconversion pathways.
When hydrolyzed from polysaccharides, several monosaccharides made via this
pathway are salvaged into the nucleotide-sugar pools by C-1 kinases and nucleotide-diphosphate-pyrophosphorylases.
Mutations in several epimerases and a C-1 kinase have been identified.
Reiter, W-D., G. F. Vanzin. 2001. Molecular genetics of nucleotide sugar interconversion pathways in plants. Plant Mol. Biol. 47, 95-113.
1.1 Nucleotide-sugar interconversion pathways
1.2 C-1 kinases and sugar salvage pathways
1.3 Pathways of phenylpropanoid biosynthesis
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