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Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their masses before division, thus, achieving homeostasis. Coordination between cell growth and proliferation depends on the checkpoints in between cell cycle phases. Loss of coordination or failure in the checkpoint mechanism can drive the cell to uncontrolled growth and loss of cellular function. Like dividing cells that coordinate cellular growth,...
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Manipulation and Analysis of Cell Cycle-Dependent Processes in Budding Yeast
08:13

Manipulation and Analysis of Cell Cycle-Dependent Processes in Budding Yeast

Published on: September 26, 2025

Cell size control in yeast.

Jonathan J Turner1, Jennifer C Ewald, Jan M Skotheim

  • 1Department of Biology, Stanford University, Stanford, CA 94305, USA.

Current Biology : CB
|May 12, 2012
PubMed
Summary

Cell size regulation is key to cellular function. New yeast research explores how cells sense and set their size, potentially revealing fundamental eukaryotic cell size control principles.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Genetics

Background:

  • Cell size is a critical adaptive trait impacting cellular physiology.
  • Molecular mechanisms linking cell growth to division remain largely unknown.
  • Understanding cell size control is crucial for cell biology.

Purpose of the Study:

  • To investigate the molecular mechanisms controlling eukaryotic cell size.
  • To explore how cell growth is coupled to cell division.
  • To examine yeast models for insights into cell size control.

Main Methods:

  • Review of recent yeast research on cell size control.
  • Analysis of size-sensing models including spatial gradients and molecular titration.
  • Investigation of nutrient-modulated target size pathways.

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Last Updated: May 22, 2026

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The Use of Chemostats in Microbial Systems Biology
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Flow Cytometry-based Purification of S. cerevisiae Zygotes
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Main Results:

  • Recent yeast studies propose distinct mechanisms for cell size setting and sensing.
  • Spatial gradient and molecular titration models offer potential explanations for size sensing.
  • Nutrient-dependent pathways are implicated in modulating target cell size.

Conclusions:

  • Yeast research provides new avenues for understanding cell size control.
  • Elucidating nutrient-modulated pathways is key to understanding target cell size.
  • Further research may reveal fundamental principles of eukaryotic cell size regulation.