Biosynthesis of plant cell wall polysaccharides — a complex process

Cellulose, a major component of plant cell walls, is made by dynamic complexes that move within the plasma membrane while depositing cellulose directly into the wall. On the other hand, matrix polysaccharides are made in the Golgi and delivered to the wall via secretory vesicles. Several Golgi prote...

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Veröffentlicht in:Current opinion in plant biology 2006-12, Vol.9 (6), p.621-630
Hauptverfasser: Lerouxel, Olivier, Cavalier, David M, Liepman, Aaron H, Keegstra, Kenneth
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container_issue 6
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container_title Current opinion in plant biology
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creator Lerouxel, Olivier
Cavalier, David M
Liepman, Aaron H
Keegstra, Kenneth
description Cellulose, a major component of plant cell walls, is made by dynamic complexes that move within the plasma membrane while depositing cellulose directly into the wall. On the other hand, matrix polysaccharides are made in the Golgi and delivered to the wall via secretory vesicles. Several Golgi proteins that are involved in glucomannan and xyloglucan biosynthesis have been identified, including some glycan synthases that show sequence similarity to the cellulose synthase proteins and several glycosytransferases that add sidechains to the polysaccharide backbones. Recent progress in identifying the proteins needed for polysaccharide biosynthesis should lead to an improved understanding of the molecular details of these complex processes, and eventually to an ability to manipulate them in an effort to generate plants that have improved properties for human uses.
doi_str_mv 10.1016/j.pbi.2006.09.009
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects carbohydrate metabolism
Cell Wall - metabolism
cell wall components
cell walls
cellulose
Gene Expression Regulation, Plant
glucomannans
glycosyltransferases
Golgi apparatus
hexosyltransferases
literature reviews
organelles
Plant Cells
plant physiology
plants
Plants - metabolism
polysaccharides
Polysaccharides - biosynthesis
secretion
secretory vesicles
xyloglucans
title Biosynthesis of plant cell wall polysaccharides — a complex process
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