NDLI: Plant cell walls: supramolecular assembly, signalling and stress

Content Provider	Springer Nature Link
Author	Jarvis, Michael C.
Copyright Year	2009
Abstract	The structure of the primary cell wall in non-graminaceous plants is briefly reviewed and its role in providing mechanical strength to the plant and protecting it from microbial infection are described. A variety of signalling mechanisms involve oligosaccharides released by glycanase enzymes from microbial pathogens, and some of the mechanisms may be implicated in the regulation of metabolism in ripening fruits. There is some evidence that cell walls are able to sense damage or loss of integrity and that signals can accordingly be passed back to the cytoplasm. Primary cell walls must combine the mechanical and other functions with the capacity to grow in a controlled way. A modification of the ‘Molecular Velcro’ model developed originally to describe deformation of wood is used to predict load-deformation curves like those described by the Lockhart equation for the relationship between turgor stress and growth. Predicting a stress threshold for growth does not require the assumption of enzyme activity, although in fact enzyme activity is indeed required to permit growth at the rates normally observed.
Starting Page	245
Ending Page	253
Page Count	9
File Format	PDF
ISSN	10400400
Journal	Structural Chemistry
Volume Number	20
Issue Number	2
e-ISSN	15729001
Language	English
Publisher	Springer US
Publisher Date	2009-02-19
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plant growth Morphogenesis Cellulose Hemicellulose Pectin Signalling Theoretical and Computational Chemistry Physical Chemistry Computer Applications in Chemistry
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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