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. 1975 Jan;55(1):64–68. doi: 10.1104/pp.55.1.64

The Structure of Plant Cell Walls

VII. Barley Aleurone Cells 1

Michael McNeil a, Peter Albersheim a,2, Lincoln Taiz 6, Russell L Jones c
PMCID: PMC541551  PMID: 16659029

Abstract

The walls of barley (Hordeum vulgare var. Himalaya) aleurone cells are composed of two major polysaccharides, arabinoxylan (85%) and cellulose (8%). The cell wall preparations contain 6% protein, but this protein does not contain detectable amounts of hydroxyproline. The arabinoxylan has a linear 1,4-xylan backbone; 33% of the xylosyl residues are substituted at the 2 and/or 3 position with single arabinofuranosyl residues. The results of in vitro cellulose binding experiments support the hypothesis that noncovalent bonds between the arabinoxylan chains and cellulose fibers play a part in maintaining wall structure. It is suggested that bonding between the arabinoxylan chains themselves is also utilized in forming the walls.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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