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Related Concept Videos

Plant Cell Wall02:43

Plant Cell Wall

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.Collenchyma and sclerenchyma cells, on the other hand, mainly occur in the outer layers of a plant's stems and leaves. These cells provide the plant with strength and support by either partially thickening their primary cell wall (i.e., collenchyma), or depositing a...
Plant Cell Wall01:07

Plant Cell Wall

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...
Bacterial Cell Wall01:22

Bacterial Cell Wall

The bacterial cell wall is an essential structural component that encases the plasma membrane, preserving cellular integrity, determining shape, and protecting against osmotic stress. This rigid yet flexible structure primarily comprises peptidoglycan, a polymer that forms a mesh-like matrix conferring mechanical strength and flexibility.Peptidoglycan Composition and StructurePeptidoglycan, the core of the bacterial cell wall, comprises alternating units of N-acetylglucosamine (NAG) and...
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...
Role of Microtubules in Cell Wall Deposition01:02

Role of Microtubules in Cell Wall Deposition

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 disassembly and...
The Phragmoplast01:59

The Phragmoplast

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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Related Experiment Video

Updated: Jun 5, 2026

Application of Membrane and Cell Wall Selective Fluorescent Dyes for Live-Cell Imaging of Filamentous Fungi
07:44

Application of Membrane and Cell Wall Selective Fluorescent Dyes for Live-Cell Imaging of Filamentous Fungi

Published on: November 28, 2019

Cell wall biology: perspectives from cell wall imaging.

Kieran J D Lee1, Susan E Marcus, J Paul Knox

  • 1Centre for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS29JT, UK.

Molecular Plant
|January 5, 2011
PubMed
Summary
This summary is machine-generated.

Plant cell walls, rich in polysaccharides like cellulose, are crucial for plant growth and carbon storage. Recent imaging advances reveal cell wall heterogeneity, aiding understanding of their biology and function.

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Live Cell Fluorescence Microscopy to Observe Essential Processes During Microbial Cell Growth
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Published on: November 24, 2017

Area of Science:

  • Plant Biology
  • Biomaterials Science
  • Biochemistry

Background:

  • Plant cell walls are vital biomaterials, essential for plant growth and carbon sequestration.
  • They are primarily composed of polysaccharides, including cellulose, hemicelluloses, and pectins.
  • Evolutionary diversification of land plants involved significant structural changes within these polysaccharide groups.

Purpose of the Study:

  • To understand the complex polysaccharide chemistry within plant cell walls.
  • To integrate cell wall chemistry with cellular contexts and biological understanding.
  • To advance the molecular understanding of spatial heterogeneity in plant cell walls.

Main Methods:

  • Utilizing advanced imaging techniques for cell wall glycomes.
  • Developing and employing panels of cell wall molecular probes.
  • Implementing high-throughput procedures for molecular analysis.

Main Results:

  • Recent developments enable detailed imaging of cell wall glycomes.
  • Molecular probes reveal spatial heterogeneity within individual cell walls.
  • Differences in cell wall composition at taxonomic levels are being elucidated.

Conclusions:

  • Advances in imaging and molecular probes are rapidly enhancing the understanding of plant cell wall heterogeneity.
  • Integrating knowledge of cell wall heterogeneity with molecular and physiological mechanisms is the next critical challenge.
  • This research aims to deepen the understanding of cell wall properties and functions at a molecular level.