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Chromosome segregation in yeast

B D Page1, M Snyder

  • 1Department of Biology, Yale University, New Haven, Connecticut 06511.

Annual Review of Microbiology
|January 1, 1993
PubMed
Summary
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Budding yeast (Saccharomyces cerevisiae) and fission yeast (Schizosaccharomyces pombe) are key models for understanding chromosome segregation during mitosis. This review details their mitotic spindle apparatus and segregation mechanisms.

Area of Science:

  • Cell Biology
  • Genetics
  • Molecular Biology

Background:

  • Budding yeast (Saccharomyces cerevisiae) and fission yeast (Schizosaccharomyces pombe) are genetically tractable models.
  • Significant insights into chromosome segregation mechanisms have been gained from studying these yeasts.

Purpose of the Study:

  • To review the cytology, molecular biology, and cell biology of mitosis in Saccharomyces cerevisiae and Schizosaccharomyces pombe.
  • To summarize current knowledge on the components of the mitotic spindle apparatus.
  • To review the mechanisms of mitosis, including spindle establishment, positioning, anaphase A, and anaphase B.

Main Methods:

  • Review of existing literature on yeast mitosis.
  • Cytological analysis of mitotic processes.

Related Experiment Videos

  • Molecular and cell biology techniques applied to yeast.

    • Main Results:

    • Detailed summary of mitotic spindle components: spindle pole bodies, centromeres, microtubules, and motors.
    • Comprehensive review of key mitotic mechanisms: spindle establishment, positioning, anaphase A, and anaphase B.

    Conclusions:

    • Yeast models provide fundamental insights into conserved eukaryotic cell division processes.
    • Understanding yeast mitosis contributes to broader knowledge of chromosome segregation and cell cycle regulation.