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Updated: Jun 25, 2025

High Resolution Quantification of Crystalline Cellulose Accumulation in Arabidopsis Roots to Monitor Tissue-specific Cell Wall Modifications
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High Resolution Quantification of Crystalline Cellulose Accumulation in Arabidopsis Roots to Monitor Tissue-specific Cell Wall Modifications

Published on: May 10, 2016

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3,4-二基酸盐在植物中的异卵产影响纤维素的结构和组织

Manjula Senanayake1, Chien-Yuan Lin2,3, Shawn D Mansfield4,5

  • 1Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States.

Biomacromolecules
|May 23, 2024
PubMed
概括

使用QsuB酶对树的基因工程改变了素含量和纤维素结构. 这种修改减少了生物质的回收性,为生物燃料和生物材料生产提供了一个有希望的途径.

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Histochemical Staining of Arabidopsis thaliana Secondary Cell Wall Elements10:39

Histochemical Staining of Arabidopsis thaliana Secondary Cell Wall Elements

Published on: May 13, 2014

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Lignin Down-regulation of Zea mays via dsRNAi and Klason Lignin Analysis14:43

Lignin Down-regulation of Zea mays via dsRNAi and Klason Lignin Analysis

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Cellulose and Pectic Polysaccharides

 Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
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Role of Microtubules in Cell Wall Deposition01:02

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Most plants use the C3 pathway for carbon fixation. However, some plants, such as sugar cane, corn, and cacti that grow in hot conditions, use alternative pathways to fix carbon and conserve energy loss due to photorespiration. Photorespiration is the process that occurs when the oxygen concentration is high. Under such conditions, the rubisco enzyme in the Calvin cycle binds O2 instead of CO2, which halts photosynthesis and consumes energy.
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The plant cell wall gives plant cells shape, support, and protection. As a cell matures, its cell wall specializes according to the cell type. For example, the parenchyma cells of leaves possess only a thin, primary cell wall.
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Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
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