Abstract
The tripartite Rpd3/Sin3/Ume6 complex represses meiotic isoforms during mitosis. We asked if it also controls starvation-induced isoforms. We report that VTH1/VTH2 encode acetate-inducible isoforms with extended 5′-regions overlapping antisense long non-coding RNAs. Rpd3 and Ume6 repress the long isoform of VTH2 during fermentation. Cells metabolising glucose contain Vth2, while the protein is undetectable in acetate and during sporulation. VTH2 is a useful model locus to study mechanisms implicating promoter directionality, lncRNA transcription and post-transcriptional control of gene expression via 5′-UTRs. Since mammalian genes encode transcript isoforms and Rpd3 is conserved, our findings are relevant for gene expression in higher eukaryotes.
| Original language | American English |
|---|---|
| Pages (from-to) | 924-932 |
| Number of pages | 9 |
| Journal | FEBS Letters |
| Volume | 589 |
| Issue number | 8 |
| DOIs | |
| State | Published - Apr 2 2015 |
ASJC Scopus subject areas
- Biophysics
- Structural Biology
- Biochemistry
- Molecular Biology
- Genetics
- Cell Biology
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