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Related Concept Videos

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...
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...
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...
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...
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...
Cell Adhesion in Plants01:14

Cell Adhesion in Plants

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, and...

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Related Experiment Video

Updated: Jun 20, 2026

Characterizing Mechanical Properties of Primary Cell Wall in Living Plant Organs Using Atomic Force Microscopy
09:52

Characterizing Mechanical Properties of Primary Cell Wall in Living Plant Organs Using Atomic Force Microscopy

Published on: May 18, 2022

Plant cell wall characterization using scanning probe microscopy techniques.

John M Yarbrough1, Michael E Himmel, Shi-You Ding

  • 1Chemical and Biosciences Center, National Renewable Energy Laboratory, Golden, Colorado, USA. John_Yarbrough@nrel.gov

Biotechnology for Biofuels
|August 26, 2009
PubMed
Summary
This summary is machine-generated.

Understanding plant cell wall structure is key to unlocking bioenergy potential. Advanced microscopy techniques reveal nanometer-scale details of lignocellulosic biomass for efficient biofuel conversion.

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Fluorescent Immunolocalization of Arabinogalactan Proteins and Pectins in the Cell Wall of Plant Tissues
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Characterizing Mechanical Properties of Primary Cell Wall in Living Plant Organs Using Atomic Force Microscopy
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Fluorescent Immunolocalization of Arabinogalactan Proteins and Pectins in the Cell Wall of Plant Tissues
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Fluorescent Immunolocalization of Arabinogalactan Proteins and Pectins in the Cell Wall of Plant Tissues

Published on: February 27, 2021

Area of Science:

  • Biomass Science
  • Renewable Energy
  • Materials Science

Background:

  • Lignocellulosic biomass is a promising renewable resource for bioenergy.
  • Plant cell walls, composed of cellulose, hemicelluloses, pectins, and lignins, are recalcitrant to deconstruction.
  • The detailed chemical and structural characteristics of these components are not fully understood.

Purpose of the Study:

  • To review scanning probe microscopy techniques for plant cell wall characterization.
  • To explore advanced microscopy methods for nanometer-scale structural analysis of biomass.

Main Methods:

  • Review of atomic force microscopy (AFM) for plant cell wall analysis.
  • Discussion of future developments combining AFM with optical techniques.
  • Mention of apertureless near-field scanning optical microscopy (aNSOM) and coherent anti-Stokes Raman scattering (CARS) microscopy.

Main Results:

  • Atomic force microscopy is a valuable tool for characterizing plant cell wall nanostructures.
  • Combined optical and scanning probe microscopy techniques offer enhanced capabilities for detailed analysis.
  • These advanced methods can elucidate the complex nanometer-scale structures of biomass components.

Conclusions:

  • Detailed understanding of plant cell wall nanostructure is crucial for efficient biofuel production.
  • Scanning probe microscopy and advanced optical techniques are essential for characterizing biomass recalcitrance.
  • Future research should focus on utilizing these advanced microscopy methods to optimize biomass conversion processes.