Mathias Grigat

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Structural genes of phospholipid biosynthesis in the yeast Saccharomyces cerevisiae are transcribed when precursor molecules inositol and choline (IC) are limiting. Gene expression is stimulated by the heterodimeric activator Ino2/Ino4, which binds to ICRE (inositol/choline-responsive element) promoter sequences. Activation is prevented by repressor Opi1,(More)
Yeast genes of phospholipid biosynthesis are negatively regulated by repressor protein Opi1 when precursor molecules inositol and choline (IC) are available. Opi1-triggered gene repression is mediated by recruitment of the Sin3 corepressor complex. In this study, we systematically investigated the regulatory contribution of subunits of Sin3 complexes and(More)
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