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Related Concept Videos

Determining the Plane of Cell Division02:13

Determining the Plane of Cell Division

Positioning the cell division plane is a critical step during development and cell differentiation, particularly during mitosis when the plane is essential for determining the size of the two daughter cells. The cell division plane is perpendicular to the plane of chromosome segregation, but different types of organisms have different cell division mechanisms to suit their morphology and function. 
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In animal cells, the cleavage furrow forms along the plane of cell division starting...
Determining the Plane of Cell Division02:13

Determining the Plane of Cell Division

Positioning the cell division plane is a critical step during development and cell differentiation, particularly during mitosis when the plane is essential for determining the size of the two daughter cells. The cell division plane is perpendicular to the plane of chromosome segregation, but different types of organisms have different cell division mechanisms to suit their morphology and function. 
Animal cells
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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 cell...
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...
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.
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Updated: Jun 1, 2026

Kinematic Analysis of Cell Division and Expansion: Quantifying the Cellular Basis of Growth and Sampling Developmental Zones in Zea mays Leaves
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Published on: December 2, 2016

Universal rules for division plane selection in plants.

Sabine Müller1

  • 1Center for Plant Molecular Biology-Developmental Genetics, University of Tübingen, Auf der Morgenstelle 3, 72076, Tübingen, Germany. sabine.mueller@zmbp.uni-tuebingen.de

Protoplasma
|May 26, 2011
PubMed
Summary
This summary is machine-generated.

Cell growth relies on coordinated cell division and expansion. Plant cells use geometric rules and microtubule cytoskeleton to orient divisions, guided by a dynamic cortical division zone.

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Area of Science:

  • Cell Biology
  • Developmental Biology
  • Biophysics

Background:

  • Cell division and expansion are fundamental to organismal growth and development.
  • Cellular geometry and the cytoskeleton play critical roles in directing these processes.
  • Plant cells, constrained by rigid walls, present unique challenges for growth regulation.

Purpose of the Study:

  • To investigate the geometric rules governing cell division plane selection in diverse organisms.
  • To elucidate the role of the microtubule cytoskeleton in sensing and translating geometric information.
  • To understand the dynamics and mechanisms of the cortical division zone in plant cells.

Main Methods:

  • Analysis of cell shape and division patterns in various organisms.
  • Biophysical and mathematical modeling for computer simulations.
  • Investigation of microtubule cytoskeleton involvement.
  • Study of reference molecule recruitment to the cortical division zone.

Main Results:

  • Diverse biological systems adhere to simple geometric rules for division plane selection.
  • The microtubule cytoskeleton is crucial for sensing geometric cues and determining division outcomes.
  • In plant cells, the division plane is predetermined, with spatial information maintained by the cortical division zone.
  • The cortical division zone is a dynamic region with multiple recruitment mechanisms.

Conclusions:

  • Universal geometric principles guide cell division plane selection across species.
  • The microtubule cytoskeleton acts as a key mediator between geometry and cell division.
  • Plant cell division relies on a precisely regulated, dynamic cortical division zone for spatial orientation.