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https://hdl.handle.net/2440/89046
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Type: | Journal article |
Title: | Deciphering the molecular functions of sterols in cellulose biosynthesis |
Author: | Schrick, K. DeBolt, S. Bulone, V. |
Citation: | Frontiers in Plant Science, 2012; 3(MAY):84-1-84-6 |
Publisher: | Frontiers |
Issue Date: | 2012 |
ISSN: | 1664-462X 1664-462X |
Statement of Responsibility: | Kathrin Schrick, Seth De Bolt, and Vincent Bulone |
Abstract: | Sterols play vital roles in plant growth and development, as components of membranes and as precursors to steroid hormones. Analysis of Arabidopsis mutants indicates that sterol composition is crucial for cellulose biosynthesis. Sterols are widespread in the plasma membrane (PM), suggesting a possible link between sterols and the multimeric cellulose synthase complex. In one possible scenario, molecular interactions in sterol-rich PM microdomains or another form of sterol-dependent membrane scaffolding may be critical for maintaining the correct subcellular localization, structural integrity and/or activity of the cellulose synthase machinery. Another possible link may be through steryl glucosides, which could act as primers for the attachment of glucose monomers during the synthesis of β-(1 → 4) glucan chains that form the cellulose microfibrils. This mini-review examines genetic and biochemical data supporting the link between sterols and cellulose biosynthesis in cell wall formation and explores potential approaches to elucidate the mechanism of this association. |
Keywords: | cell wall cellulose lipid rafts plasma membrane microdomains sterols steryl glucosides |
Rights: | © 2012 Schrick, DeBolt and Bulone. This is an open-access article distributed under the terms of the Creative Commons Attribution Non Commercial License, which permits non-commercial use, distribution, and reproduction in other forums, provided the original authors and source are credited. |
DOI: | 10.3389/fpls.2012.00084 |
Published version: | http://dx.doi.org/10.3389/fpls.2012.00084 |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest 7 |
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hdl_89046.pdf | Published version | 588.25 kB | Adobe PDF | View/Open |
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