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Related Experiment Videos

Aurora-A in cell fate control.

Cayetano Gonzalez1

  • 1Cell Biology and Biophysics Programme, EMBL, Meyerhofstrasse 1, 69012 Heidelberg, Germany. Gonzalez@EMBL.DE

Science'S STKE : Signal Transduction Knowledge Environment
|December 12, 2002
PubMed
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Asymmetric cell division in Drosophila sensory organ development relies on the protein Numb. Recent research shows the mitotic kinase Aurora-A is crucial for Numb

Area of Science:

  • Developmental Biology
  • Cell Biology
  • Genetics

Background:

  • Multicellular organism development involves key cells dividing asymmetrically.
  • This process generates daughter cells with distinct fates.
  • In Drosophila sensory organ development, asymmetric division requires precursor cell polarization and unequal distribution of the cell fate determinant protein Numb during mitosis.

Purpose of the Study:

  • To explore the role of the mitotic kinase Aurora-A in the asymmetric localization of Numb.
  • To understand a novel function of Aurora-A in sensory organ precursor cells.

Main Methods:

  • Review of recent research findings.
  • Analysis of protein localization during cell division.

Main Results:

Related Experiment Videos

  • Recent research implicates Aurora-A in the asymmetric localization of Numb.
  • This function of Aurora-A is independent of its known roles in centrosome maturation and mitotic spindle organization.

Conclusions:

  • Aurora-A plays a novel role in regulating cell fate determination through asymmetric protein localization.
  • This finding expands our understanding of the mechanisms governing asymmetric cell division.