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Yeast 14-3-3 proteins.

G Paul H van Heusden1, H Yde Steensma

  • 1Institute of Biology, Leiden University, Wassenaarseweg 64, 2333 AL Leiden, The Netherlands. Heusden@RULBIM.Leidenuniv.nl

Yeast (Chichester, England)
|February 25, 2006
PubMed
Summary
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14-3-3 proteins are essential in eukaryotes, regulating diverse cellular processes by interacting with over 200 proteins. Yeast models are crucial for understanding these conserved proteins and their roles in health and disease.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biochemistry

Background:

  • 14-3-3 proteins are highly conserved across eukaryotes, interacting with over 200 phosphorylated proteins.
  • These interactions modulate protein function, localization, and cellular processes, with implications in diseases like cancer and neurodegenerative disorders.

Purpose of the Study:

  • To highlight the essential role of 14-3-3 proteins in cellular functions.
  • To emphasize the utility of yeast as a model organism for studying 14-3-3 protein family functions due to evolutionary conservation and experimental tractability.

Main Methods:

  • Review of existing literature on 14-3-3 protein interactions and functions.
  • Analysis of genome-wide studies in yeast models (Saccharomyces cerevisiae and Schizosaccharomyces pombe) with impaired 14-3-3 function.

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Main Results:

  • 14-3-3 proteins regulate diverse cellular processes through interactions with numerous binding partners.
  • Yeast 14-3-3 proteins (BMH1/2, rad24/25) are essential and involved in a wide array of cellular functions.
  • Genome-wide studies confirm the broad participation of 14-3-3 proteins in yeast cellular processes.

Conclusions:

  • Yeast serves as an excellent model for deciphering the complex functions of the evolutionarily conserved 14-3-3 protein family.
  • Understanding 14-3-3 proteins is critical for insights into fundamental biology and disease mechanisms.