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Related Concept Videos

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.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
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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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Cellulose and Pectic Polysaccharides01:15

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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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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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The Phragmoplast01:59

The Phragmoplast

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Cell division is essential for organismal growth and development. In animal cells, the central spindle and its associated proteins form the midbody, a structure that has an essential role in cytokinesis. In plants, the central spindle, along with the microtubules, actin, and other cell components, matures into the phragmoplast, which is necessary for cytokinesis. Unlike the stationary midbody, the phragmoplast expands centrifugally, eventually leading to the formation of the new cell wall.
The...
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Archaeal Cell Wall01:29

Archaeal Cell Wall

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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Related Experiment Video

Updated: Jun 5, 2025

Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem
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The systems and interactions underpinning complex cell wall patterning.

Eva E Deinum1

  • 1Mathematical and Statistical Methods (Biometris), Plant Science Group, Wageningen University, 6708 PB Wageningen, The Netherlands.

Biochemical Society Transactions
|December 12, 2024
PubMed
Summary
This summary is machine-generated.

Plant cell walls with complex patterns provide unique properties. This review compares mechanisms of primary and secondary cell wall patterning, focusing on water transport tissues and modeling insights.

Keywords:
ROPcellulose microfibrilspattern formationplant cortical microtubulessecondary cell wallxylem

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AFM-based Mapping of the Elastic Properties of Cell Walls: at Tissue, Cellular, and Subcellular Resolutions
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Area of Science:

  • Plant biology
  • Cellular structures
  • Biomaterials

Background:

  • Plant cell walls are crucial for cell shape and material properties.
  • Complex cell wall patterns are vital in water-transporting tissues.
  • Primary and secondary cell walls have distinct patterning mechanisms.

Purpose of the Study:

  • To compare mechanisms controlling primary and secondary cell wall patterns.
  • To emphasize water-transporting tissues and modeling insights.
  • To highlight the diversity and functional benefits of secondary cell wall patterns.

Main Methods:

  • Review of existing literature on cell wall patterning.
  • Emphasis on studies involving water transport tissues.
  • Inclusion of insights derived from computational modeling.

Main Results:

  • Primary cell wall patterns are linked to cell shape, often involving the Rho-of-plants - cortical microtubule - cellulose microfibril system.
  • Secondary cell wall patterns confer advanced material properties for mechanical tasks.
  • Significant diversity exists in secondary cell wall patterns with less understood developmental pathways.

Conclusions:

  • Understanding cell wall patterning is key to plant cell function.
  • Water transport tissues exhibit specialized cell wall structures.
  • Further research is needed on the diverse mechanisms of secondary cell wall patterning.