The histone deacetylase Rpd3/Sin3/Ume6 complex represses an acetate-inducible isoform of VTH2 in fermenting budding yeast cells (CROSBI ID 217298)
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Stuparević, Igor ; Becker, E. ; Law, M.J. ; Primig, M.
engleski
The histone deacetylase Rpd3/Sin3/Ume6 complex represses an acetate-inducible isoform of VTH2 in fermenting budding yeast cells
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.
5′-UTR ; Isoform ; RPD3 ; UME6 ; VTH1 ; VTH2
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Povezanost rada
Biologija, Biotehnologija, Kemija