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Related Experiment Video

Updated: May 9, 2026

Kinematic Analysis of Cell Division and Expansion: Quantifying the Cellular Basis of Growth and Sampling Developmental Zones in Zea mays Leaves
08:31

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Published on: December 2, 2016

Growth control: function follows form.

Robbie Loewith1

  • 1Department of Molecular Biology, University of Geneva, 1211 Geneva, Switzerland. robbie.loewith@unige.ch

Current Biology : CB
|July 27, 2013
PubMed
Summary
This summary is machine-generated.

Cell growth and division are linked. The cell division cycle regulates cell growth by controlling actin polarization in budding yeast.

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Cell division typically requires increased cell size.
  • The cell division cycle's influence on cell growth is less understood.
  • Actin dynamics play a role in cell morphology and division.

Purpose of the Study:

  • To investigate the reciprocal regulation between cell growth and the cell division cycle.
  • To elucidate the role of actin polarization in linking cell cycle progression and growth.
  • To understand how budding yeast coordinates division with cellular mass.

Main Methods:

  • Utilized budding yeast as a model organism.
  • Observed and analyzed actin polarization dynamics.
  • Correlated actin polarization with cell cycle stages and growth rates.

Main Results:

  • Demonstrated that the cell division cycle actively regulates cell growth.
  • Identified cell-cycle-dependent actin polarization as a key mediator of this regulation.
  • Showcased how budding yeast coordinates growth and division through actin.

Conclusions:

  • Actin polarization is a critical mechanism connecting the cell division cycle to cell growth in budding yeast.
  • The cell division cycle reciprocally regulates cellular growth, challenging intuitive assumptions.
  • Findings provide insights into the fundamental processes of cell size control and proliferation.