July 26, 2002Science
Segregating Sister Genomes: The Molecular Biology of Chromosome Separation
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Implication
Review uncovers molecular mechanisms of chromosome segregation across model systems, highlighting pathways preventing aneuploidy and disease.
Key Points
- To synthesize the molecular mechanisms governing the disentanglement, coordination, and mechanical separation of duplicated sister chromosomes during cell division.
- Reviewed genetic and biochemical evidence from model systems including yeast and Xenopus to analyze the coordination of chromosome segregation machinery with the cell cycle.
- Identified critical regulatory proteins and cell cycle checkpoints that orchestrate the disentanglement and poleward movement of sister DNA molecules.
- Highlighted that failure of accurate chromosome segregation produces aneuploidy, a primary driver of spontaneous miscarriages and a hallmark of human cancers.
Cite This Study
Kim Nasmyth (2002) studied this question.