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Related Concept Videos

Role of Microtubules in Cell Wall Deposition01:02

Role of Microtubules in Cell Wall Deposition

2.3K
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.
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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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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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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Plasmodesmata02:32

Plasmodesmata

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The organs in a multicellular organism’s body are made up of tissues formed by cells. To work together cohesively, cells must communicate. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.
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Animal and Plant Cell Structure01:30

Animal and Plant Cell Structure

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Animal and plant cells not only differ in their structure, function, and mode of nutrition but also in how they reproduce, specialize, and organize into complex structures.
Cell Division
Though both plant and animal cells divide by mitosis (for non-gametic cells) and meiosis (for gametic cells), they differ in the specifics of this process. Unlike animal cells, plant cells lack centrosomes — an organelle responsible for organizing the spindle fibers and segregating the chromosomes during...
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Related Experiment Video

Updated: May 14, 2025

Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem
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Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem

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Cell Wall-Microtubule Interactions in Plant Cell.

Arpita Yadav1

  • 1Department of Biology, The Pennsylvania State University, University Park, USA.

Cytoskeleton (Hoboken, N.J.)
|April 12, 2025
PubMed
Summary

Plant cell walls provide structure and regulate growth. Microtubules guide cell wall construction by controlling component deposition, crucial for plant development.

Area of Science:

  • Plant Biology
  • Cell Biology
  • Molecular Biology

Background:

  • The plant cell wall is a rigid outer layer essential for cell structure, growth regulation, and overall plant development.
  • Microtubules are key components of the cytoskeleton involved in intracellular transport and spatial organization within plant cells.

Purpose of the Study:

  • To provide an overview of the plant cell wall and its dynamic interactions with microtubules.
  • To highlight the role of specific proteins in mediating these interactions.
  • To review experimental evidence, particularly from mutant studies, supporting these interactions.

Main Methods:

  • Literature review of existing research on plant cell walls and microtubules.
  • Analysis of experimental data, including findings from mutant studies.
Keywords:
cell wallcellulose synthase complex (CSC)microfibrilmicrotubule

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  • Focus on the regulatory mechanisms of cell wall component deposition.

    • Main Results:

    • Microtubules regulate the spatial and temporal transport and deposition of cell wall components.
    • The dynamic behavior and plasma membrane anchoring of microtubules are critical for cell wall production and cell growth.
    • Specific proteins mediate the interaction between microtubules and the cell wall machinery.

    Conclusions:

    • Microtubule dynamics and their interactions with the plasma membrane are fundamental to plant cell wall formation and cell growth.
    • Understanding these interactions, particularly the roles of mediating proteins, is crucial for advancing plant cell biology.
    • Further research, especially utilizing mutant analyses, will continue to elucidate these complex processes.