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Related Concept Videos

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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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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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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The Phragmoplast01:59

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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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Responses to Heat and Cold Stress02:45

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Tonicity in Plants00:53

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Tonicity describes the capacity of a cell to lose or gain water. It depends on the quantity of solute that does not penetrate the membrane. Tonicity delimits the magnitude and direction of osmosis and results in three possible scenarios that alter the volume of a cell: hypertonicity, hypotonicity, and isotonicity. Due to differences in structure and physiology, tonicity of plant cells is different from that of animal cells in some scenarios.
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Updated: Aug 23, 2025

Characterizing Mechanical Properties of Primary Cell Wall in Living Plant Organs Using Atomic Force Microscopy
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Plant Cell Wall Plasticity under Stress Situations.

Penélope García-Angulo1, Asier Largo-Gosens2

  • 1Faculty of Biological and Environmental Sciences, Universidad de León, 24007 Leon, Spain.

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Summary

This special issue explores how plant cell walls adapt to stress. Understanding cell wall plasticity is crucial for plant resilience and crop improvement.

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Area of Science:

  • Plant Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Plant cell walls are dynamic structures crucial for plant growth and adaptation.
  • Biotic and abiotic stresses significantly impact plant cell wall composition and function.

Discussion:

  • This special issue compiles five articles examining plant cell wall plasticity under various stress conditions.
  • Authors investigate the roles of diverse cell wall components, including polysaccharides and proteins, in stress responses.

Key Insights:

  • Cell wall modifications are key mechanisms plants employ to cope with environmental challenges.
  • Specific cell wall alterations are linked to enhanced tolerance against pathogens and adverse environmental factors.

Outlook:

  • Further research into plant cell wall plasticity can lead to developing stress-resilient crops.
  • Understanding these mechanisms is vital for sustainable agriculture and food security.