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Ribosomal frameshifting in yeast viruses

J D Dinman1

  • 1Section on Genetics of Simple Eukaryotes, National Institute of Diabetes, Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA.

Yeast (Chichester, England)
|September 30, 1995
PubMed
Summary

Ribosomes maintain the correct reading frame for cell viability. Viruses manipulate this process, known as ribosomal frameshifting, to control gene expression, offering potential antiviral targets.

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Area of Science:

  • Molecular Biology
  • Virology
  • Genetics

Background:

  • Ribosome function is critical for cellular processes.
  • Viruses utilize ribosomal frameshifting to regulate gene expression.
  • Yeast models have significantly advanced understanding of viral ribosomal frameshifting.

Purpose of the Study:

  • To elucidate the mechanisms of viral-induced ribosomal frameshifting.
  • To understand the interaction between viral elements and host factors.
  • To identify ribosomal frameshifting as a target for antiviral therapies.

Main Methods:

  • Analysis of viral mRNA sequences and secondary structures.
  • Investigating the roles of host chromosomal gene products.
  • Utilizing yeast genetics and mutant analysis.

Main Results:

  • Viral mRNA sequences and structures dictate frameshifting efficiency.
  • Host factors interact with viral elements to modulate frameshifting.
  • Frameshifting efficiency impacts viral particle assembly.

Conclusions:

  • Ribosomal frameshifting is a key viral strategy for gene regulation.
  • Understanding these mechanisms can lead to novel antiviral agents.
  • Yeast mutants provide valuable tools for future research in ribosomal frameshifting.

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