Article
In Saccharomyces cerevisae, feedback inhibition of homocitrate synthase isoenzymes by lysine modulates the activation of LYS gene expression by Lys14p.
European journal of biochemistry - 1 Apr 1999
Feller A, Ramos F, Piérard A, Dubois E
Abstract excerpt
Expression of the structural genes for lysine biosynthesis responds to an induction mechanism mediated by the transcriptional activator Lys14p in the presence of alpha-aminoadipate semialdehyde (alphaAASA), an intermediate of the pathway acting as a coinducer. This activation is reduced by the presence of lysine in the growth medium, leading to apparent repression. In this report we demonstrate that Saccharomyces...
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