NDLI: Spatial structure of plant cell wall polysaccharides and its functional significance

Content Provider	Springer Nature Link
Author	Gorshkova, T. A. Kozlova, L. V. Mikshina, P. V.
Copyright Year	2013
Abstract	Plant polysaccharides comprise the major portion of organic matter in the biosphere. The cell wall built on the basis of polysaccharides is the key feature of a plant organism largely determining its biology. All together, around 10 types of polysaccharide backbones, which can be decorated by different substituents giving rise to endless diversity of carbohydrate structures, are present in cell walls of higher plants. Each of the numerous cell types present in plants has cell wall with specific parameters, the features of which mostly arise from the structure of polymeric components. The structure of polysaccharides is not directly encoded by the genome and has variability in many parameters (molecular weight, length, and location of side chains, presence of modifying groups, etc.). The extent of such variability is limited by the “functional fitting” of the polymer, which is largely based on spatial organization of the polysaccharide and its ability to form supramolecular complexes of an appropriate type. Consequently, the carrier of the functional specificity is not the certain molecular structure but the certain type of the molecules having a certain degree of heterogeneity. This review summarizes the data on structural features of plant cell wall polysaccharides, considers formation of supramolecular complexes, gives examples of tissue- and stage-specific polysaccharides and functionally significant carbohydrate-carbohydrate interactions in plant cell wall, and presents approaches to analyze the spatial structure of polysaccharides and their complexes.
Starting Page	836
Ending Page	853
Page Count	18
File Format	PDF
ISSN	00062979
Journal	Biochemistry (Moscow)
Volume Number	78
Issue Number	7
e-ISSN	16083040
Language	English
Publisher	Springer US
Publisher Date	2013-07-13
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	higher plants cell wall polysaccharides spatial structure cellulose xylan rhamnogalacturonan I Biochemistry Bioorganic Chemistry Microbiology Biomedicine general
Content Type	Text
Resource Type	Article
Subject	Biochemistry Biophysics Geriatrics and Gerontology

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