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Related Concept Videos

Plant Cell Wall02:43

Plant Cell Wall

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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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Plant Cell Wall01:07

Plant Cell Wall

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Plant cells have a cell wall, a rigid outer covering that protects the cell and provides shape and support. During cell division, a mixture of enzymes, proteins, and glucose molecules is transported via vesicles to the center of the cell. These vesicles continuously fuse and build a cell plate between the dividing cells. As the cell plate matures, new polysaccharides are added to it to form the cell walls of the daughter cells. The predominant polysaccharide in the cell wall is cellulose, made...
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Cellulose and Pectic Polysaccharides01:15

Cellulose and Pectic Polysaccharides

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 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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Microtubules are small hollow tubes in eukaryotic cells. The cell wall microtubules are polymerized dimers of two globular proteins, α-tubulin and β-tubulin, two globular proteins. With a diameter of about 25 nm, microtubules are the widest components of the cytoskeleton. They help the cell resist compression and provide a track along which vesicles move through the cell or pull replicated chromosomes to opposite ends of a dividing cell. Microtubules go through quick cycles of...
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Cell Adhesion in Plants01:14

Cell Adhesion in Plants

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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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Archaeal Cell Wall01:29

Archaeal Cell Wall

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Archaeal cell walls are structurally and compositionally distinct from their bacterial counterparts, lacking the characteristic peptidoglycan layer found in most bacteria. Instead, archaeal cell walls exhibit remarkable diversity, utilizing materials such as pseudomurein, polysaccharides, and proteins to construct their protective outer layers. This structural flexibility is closely tied to archaea's ecological adaptability.S-Layers: The Common Archaeal Cell WallThe S-layer is the most...
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Updated: Nov 15, 2025

Comprehensive Compositional Analysis of Plant Cell Walls Lignocellulosic biomass Part II: Carbohydrates
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Cell Wall Compositional Analysis of Rice Culms.

Lanjun Zhang1, Baocai Zhang1, Yihua Zhou1,2

  • 1State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China.

Bio-Protocol
|March 3, 2021
PubMed
Summary
This summary is machine-generated.

This study presents a high-throughput method for analyzing rice plant cell wall composition, including polysaccharides and acetate modifications. The precise and repeatable technique aids in identifying cell wall mutants crucial for plant growth.

Keywords:
AcetylationCell wallCellulosePectinRiceXylan

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Comprehensive Compositional Analysis of Plant Cell Walls Lignocellulosic biomass Part I: Lignin
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Area of Science:

  • Plant Biology
  • Biochemistry
  • Analytical Chemistry

Background:

  • Plant cell walls are complex structures essential for plant growth and mechanical support.
  • Polysaccharides like cellulose, hemicellulose, and pectin form the cell wall matrix.
  • Acetylation of non-cellulosic polysaccharides influences their properties and cell wall function.

Purpose of the Study:

  • To develop and validate a robust analytical method for rice (Oryza sativa) cell wall composition.
  • To quantify individual cell wall polymers and their acetate modifications.
  • To enable high-throughput identification of cell wall-related mutants.

Main Methods:

  • Preparation of cell wall residues from rice internodes/culms.
  • Sequential extraction and measurement of cell wall polysaccharides (cellulose, hemicellulose, pectin).
  • Acetate content analysis using a described procedure.

Main Results:

  • A precise and repeatable method for rice cell wall composition analysis was established.
  • The method allows for the quantification of major polysaccharides and acetate modifications.
  • Successfully demonstrated applicability for identifying cell wall mutants.

Conclusions:

  • The developed analytical platform offers high throughput, precision, and repeatability.
  • This method is valuable for dissecting the roles of cell wall components in plant development.
  • Facilitates genetic studies and breeding efforts for improved rice varieties.