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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 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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 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

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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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Related Experiment Video

Updated: Nov 11, 2025

Comprehensive Compositional Analysis of Plant Cell Walls Lignocellulosic biomass Part II: Carbohydrates
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Analytical implications of different methods for preparing plant cell wall material.

Jonatan U Fangel1, Catherine Y Jones2, Peter Ulvskov3

  • 1Carlsberg Research Laboratory, J.C. Jacobsens Gade 4, 1799, Copenhagen V, Denmark.

Carbohydrate Polymers
|March 26, 2021
PubMed
Summary

Preparing plant cell walls requires consistent alcohol-insoluble residue (AIR) methods. Different AIR protocols significantly impact the analysis of cell wall polysaccharides, affecting downstream detection and research outcomes.

Keywords:
Alcohol Insoluble Residue (AIR)Micro Array Polymer Profiling (MAPP)Plant cell wallPolysaccharide analysis

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Comprehensive Compositional Analysis of Plant Cell Walls Lignocellulosic biomass Part II: Carbohydrates
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Area of Science:

  • Plant Biology
  • Biochemistry
  • Analytical Chemistry

Background:

  • Plant cell walls are complex structures essential for cell integrity and function.
  • Analyzing cell wall components is crucial for understanding plant biology and applications.
  • Alcohol-insoluble residue (AIR) preparation is a common first step in cell wall analysis.

Purpose of the Study:

  • To compare ten different methods for preparing alcohol-insoluble residue (AIR).
  • To investigate the impact of AIR preparation protocols on the extraction and detection of cell wall polysaccharides.
  • To highlight the need for standardized AIR preparation in plant cell wall research.

Main Methods:

  • Formal comparison of ten distinct AIR preparation protocols.
  • Analysis of extracted polysaccharides using High-Performance Anion Exchange Chromatography with Pulsed Amperometric Detection (HPAEC-PAD).
  • Characterization of polysaccharides using Micro Array Polymer Profiling (MAPP).

Main Results:

  • Significant variations in downstream extractability and detection of cell wall components were observed based on AIR preparation methods.
  • The choice of AIR protocol directly influences the outcome of polysaccharide analysis.
  • Inconsistency in AIR preparation can lead to inaccurate downstream results.

Conclusions:

  • AIR preparation methods have a substantial impact on the analysis of plant cell wall polysaccharides.
  • Optimizing and standardizing AIR preparation protocols are essential for reliable and reproducible cell wall component detection.
  • Consistent methodology is critical for advancing research in plant cell wall biology and applications.