Chemical-genetic profile analysis in yeast suggests that a previously uncharacterized open reading frame, YBR261C, affects protein synthesis
2008

Study of a New Gene Affecting Protein Synthesis in Yeast

Sample size: 4700 publication 10 minutes Evidence: moderate

Author Information

Author(s): Alamgir Md, Eroukova Veronika, Jessulat Matthew, Xu Jianhua, Golshani Ashkan

Primary Institution: Carleton University

Hypothesis

Does the previously uncharacterized open reading frame YBR261C affect protein synthesis?

Conclusion

The study shows that the gene YBR261C, now termed TAE1, affects protein synthesis in yeast.

Supporting Evidence

  • Deletion of TAE1 alters the ribosomal profile of mutant cells.
  • TAE1 deletion leads to defects in translation efficiency and fidelity.
  • TAE1 genetically interacts with 16 ribosomal protein genes.
  • Overexpression of TAE1 suppresses drug sensitivity in translation-related mutants.

Takeaway

Scientists found a new gene in yeast that helps make proteins, and when they removed it, the yeast had trouble making proteins.

Methodology

The study used a large-scale chemical-genetic profile analysis to screen yeast deletion strains for sensitivity to paromomycin.

Potential Biases

Potential bias from the detection of sensitive strains unrelated to the drug's activity.

Limitations

The study may have false positives due to genes that play a role in general stress conditions.

Participant Demographics

Yeast strains from the non-essential Gene Deletion Array.

Statistical Information

P-Value

0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2164-9-583

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