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@ARTICLE{Voiniciuc:848036,
author = {Voiniciuc, Cătălin and Pauly, Markus and Usadel, Björn},
title = {{M}onitoring {P}olysaccharide {D}ynamics in the {P}lant
{C}ell {W}all.},
journal = {Plant physiology},
volume = {176},
number = {4},
issn = {1532-2548},
address = {Rockville, Md.},
publisher = {Soc.},
reportid = {FZJ-2018-03326},
pages = {2590 - 2600},
year = {2018},
abstract = {All plant cells are surrounded by complex walls that play a
role in the growth and differentiation of tissues. Walls
provide mechanical integrity and structure to each cell and
represent an interface with neighboring cells and the
environment (Somerville et al., 2004). Cell walls are
composed primarily of multiple polysaccharides that can be
grouped into three major classes: cellulose, pectins, and
hemicelluloses. While cellulose fibrils are synthesized by
the plant cells directly at the plasma membrane (PM), the
matrix polysaccharides are produced in the Golgi apparatus
by membrane-bound enzymes from multiple glycosyltransferase
families (Oikawa et al., 2013). After secretion to the wall
via exocytosis, the structures of the noncellulosic
polysaccharides are modified by various apoplastic enzymes.
In addition to polysaccharides, most plant cell walls
contain small amounts of structural proteins such as
extensins and arabinogalactan proteins.Cell walls are
dynamic entities, rather than rigid and recalcitrant shells,
that can be remodeled during plant development and in
response to abiotic and biotic stresses. Cell expansion
requires the deposition of additional material in the
surrounding primary walls as well as the reorganization and
loosening of existing polymers to allow for wall relaxation
and controlled expansion (Cosgrove, 2005). The latest model
of the primary wall structure proposes that
cellulose-cellulose junctions only occur at a limited number
of biomechanical hotspots, where protein catalysts must act
selectively to initiate wall loosening (Cosgrove, 2018). In
tissues undergoing growth, the recycling of polysaccharides
via a suite of enzymes can contribute to the construction of
elongating walls (Barnes and Anderson, 2018). Once
elongation ceases, some cells deposit thick secondary walls
that incorporate additional polysaccharides. Many secondary
walls are impregnated with the polyphenol lignin and thereby
become relatively fixed structures that exclude water and
resist hydrolysis.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29487120},
UT = {WOS:000429089100003},
doi = {10.1104/pp.17.01776},
url = {https://juser.fz-juelich.de/record/848036},
}