Cat8p, the activator of gluconeogenic genes in Saccharomyces cerevisiae, regulates carbon source-dependent expression of NADP-dependent cytosolic isocitrate dehydrogenase (Idp2p) and lactate permease (Jen1p).

Abstract excerpt

The yeast transcriptional activator Cat8p has been identified as a factor that is essential for the derepression of genes involved in gluconeogenesis (like FBP1, PCK1, ACR1, ICL1 and MLS1) when only nonfermentable carbon sources are provided. Cat8p-dependent expression is mediated by cis-acting elements in the respective promoters, which are named UAS/CSREs (upstream activating sequence/carbon source responsive...

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