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Chromosome cohesion, condensation, and separation.

T Hirano1

  • 1Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA. hirano@cshl.org

Annual Review of Biochemistry
|August 31, 2000
PubMed
Summary

Accurate cell division relies on structured chromosome changes during mitosis. This review covers chromosome cohesion, condensation, and separation, highlighting key molecular players and their functions.

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Area of Science:

  • Cell Biology
  • Genetics
  • Molecular Biology

Background:

  • Faithful segregation of genetic material during the mitotic cell cycle necessitates precise chromosome structural modifications.
  • Chromosome structure undergoes dynamic changes, including cohesion, condensation, and separation, crucial for accurate cell division.

Purpose of the Study:

  • To review the current understanding of large-scale structural changes in eukaryotic chromosomes during mitosis.
  • To identify key molecular components and functional links in mitotic chromosome dynamics.

Main Methods:

  • Literature review of recent genetic and biochemical studies.
  • Analysis of established and emerging research on chromosome structure and dynamics.

Main Results:

  • Identified key components involved in chromosome cohesion, condensation, and separation.
  • Highlighted the orchestrated nature of structural changes throughout the cell cycle.
  • Uncovered functional links between mitotic chromosome dynamics and other chromosome functions.

Conclusions:

  • Mitotic chromosome dynamics involve three main stages: cohesion, condensation, and separation.
  • Recent research has elucidated critical molecular players in these processes.
  • Emerging evidence suggests interconnectedness between chromosome dynamics and other cellular functions.

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