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Related Concept Videos

Morphogenesis02:19

Morphogenesis

Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
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...
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...
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.
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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Updated: May 31, 2026

Live Confocal Imaging of Developing Arabidopsis Flowers
07:27

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Published on: April 1, 2017

How cell edges shape plant morphogenesis.

Antoine Chevallier1, Nathan German1, Charlotte Kirchhelle1

  • 1Laboratoire Reproduction et Développement des Plantes, INRAE, CNRS, UCBL1, INRIA, ENS de Lyon, F-69342, Lyon, France.

Current Opinion in Plant Biology
|May 28, 2026
PubMed
Summary
This summary is machine-generated.

Plant cell edges are crucial for morphogenesis, coordinating genetic, biochemical, and biomechanical factors. Understanding these edge mechanisms helps maintain plant tissue and organ integrity.

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Area of Science:

  • Plant Biology
  • Developmental Biology
  • Biophysics

Background:

  • Plant morphogenesis involves complex genetic, biochemical, and biomechanical processes.
  • Cell edges, encompassing the cell wall, plasma membrane, and cytoplasm, are increasingly recognized for their role in morphogenesis.
  • Tissue geometry at cell edges generates biomechanical stress, potentially causing defects.

Purpose of the Study:

  • To review recent advances in understanding the importance of cell edges in plant organ morphogenesis.
  • To highlight how plants utilize edge-specific mechanisms to overcome biomechanical constraints.

Main Methods:

  • This is a review article, synthesizing existing research.
  • Focuses on analyzing published data and findings on cell edge functions in plant development.

Main Results:

  • Cell edges possess unique biochemical hallmarks and experience significant biomechanical stress.
  • Edge-based factors, including cytoskeletal regulators, transport regulators, and mechanosensors, are vital for tissue integrity.
  • Specific mechanisms at cell edges enable plants to adapt to biomechanical constraints.

Conclusions:

  • Cell edges play a critical role in plant morphogenesis by integrating various cellular processes.
  • Edge-specific mechanisms are essential for plants to maintain tissue and organ integrity under biomechanical stress.
  • Further research into cell edges will advance our understanding of plant development.