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In electrical circuits, resistors can be connected in series, sequentially linked one after the other. In a series configuration, the same current flows through each resistor. Ohm's law is a fundamental principle to understand the behavior of resistors in series. It expresses the voltage across these resistors in terms of the current and resistance.
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Divide Precisely and Proliferate Safely: Lessons From Budding Yeast.

Roberta Fraschini1

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Frontiers in Genetics
|January 29, 2019
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Faithful cell division ensures genomic stability. This review explores conserved molecular pathways controlling the mitotic spindle in yeast and humans, crucial for preventing diseases like cancer.

Keywords:
SPBaneuploidycentrosomegenomic stabilitymitotic spindle

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Area of Science:

  • Cell Biology
  • Genetics
  • Molecular Biology

Background:

  • Faithful cell division and chromosome segregation are vital for eukaryotic cell proliferation and preventing aneuploidy.
  • Aneuploidy, resulting from errors in chromosome segregation, is linked to human diseases, including cancer.
  • The budding yeast *Saccharomyces cerevisiae* serves as a model organism due to conserved cell division mechanisms with humans.

Purpose of the Study:

  • To review conserved molecular pathways and proteins that regulate mitotic spindle morphogenesis and function.
  • To highlight the importance of these conserved mechanisms in maintaining genomic stability.
  • To connect the impairment of these pathways to human diseases.

Main Methods:

  • Literature review focusing on conserved pathways in yeast and human cell division.
  • Analysis of molecular mechanisms controlling mitotic spindle assembly and function.
  • Comparative study of yeast and human cell division processes.

Main Results:

  • Identified conserved molecular pathways and proteins essential for mitotic spindle control.
  • Demonstrated the critical role of the mitotic spindle in accurate chromosome segregation.
  • Established links between defects in spindle regulation and human pathologies.

Conclusions:

  • Conserved pathways regulating the mitotic spindle are fundamental for genomic stability across eukaryotes.
  • Dysregulation of these conserved pathways contributes to the development of human diseases, particularly cancer.
  • Understanding these mechanisms in model organisms like yeast provides insights into human health and disease.