Cited by 2Fungal and yeast genetics researchRNA and protein synthesis mechanismsRNA Research and Splicing

The DOI matches its Crossref record; 58 of the 59 references it cites were found in a registry or an index.

Gene Expression Analysis of Yeast Strains with a Nonsense Mutation in the eRF3-Coding Gene Highlights Possible Mechanisms of Adaptation

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Abstract

In yeast Saccharomyces cerevisiae, there are two translation termination factors, eRF1 (Sup45) and eRF3 (Sup35), which are essential for viability. Previous studies have revealed that presence of nonsense mutations in these genes leads to amplification of mutant alleles (sup35-n and sup45-n), which appears to be necessary for the viability of such cells. However, the mechanism of this phenomenon remained unclear. In this study, we used RNA-Seq and proteome analysis to reveal the complete set of gene expression changes that occur during cellular adaptation to the introduction of the sup35-218 nonsense allele. Our analysis demonstrated significant changes in the transcription of genes that control the cell cycle: decreases in the expression of genes of the anaphase promoting complex APC/C (APC9, CDC23) and their activator CDC20, and increases in the expression of the transcription factor FKH1, the main cell cycle kinase CDC28, and cyclins that induce DNA biosynthesis. We propose a model according to which yeast adaptation to nonsense mutations in the translation termination factor genes occurs as a result of a delayed cell cycle progression beyond the G2-M stage, which leads to an extension of the S and G2 phases and an increase in the number of copies of the mutant sup35-n allele.

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  1. Kaiser, C., Michaelis, S., and Mitchell, A. (1994). Methods in Yeast Genetics: A Cold Spring Harbor Laboratory Course Manual, Cold Spring Harbor Laboratory Press.

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Metadata

Authors
Maksiutenko, E. M., Barbitoff, Y. A., Danilov, L. G., Matveenko, A. G., Zemlyanko, O. M., Efremova, E. P., Moskalenko, S. E., & Zhouravleva, G. A.
Affiliations
  • Russian Academy of Sciences (RU)
  • St Petersburg University (RU)
Corresponding author
Zhouravleva, Galina A.
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2024-06-07
Volume
25
Issue
12
Pages
6308
ISSN
1422-0067 (ISSN-L)
OpenAlex
W4399434292
Cited by
2
References
59
Citations by year
2025: 1 · 2024: 1
FWCI
0.27
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Russian Science Foundation (23-14-00063)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
eRF3, SUP45, translation termination factor, cellular adaptation, gene expression changes, cell cycle regulation, anaphase-promoting complex, CDC20, Fkh1, Cdc28, cyclins, DNA synthesis, Saccharomyces cerevisiae
MeSH terms
Adaptation, Physiological, Cell Cycle, Peptide Termination Factors, Saccharomyces cerevisiae, Gene Expression Regulation, Fungal, Codon, Nonsense, Saccharomyces cerevisiae Proteins

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