Reference: Mulford KE and Fassler JS (2011) Association of the Skn7 and Yap1 transcription factors in the Saccharomyces cerevisiae oxidative stress response. Eukaryot Cell 10(6):761-9

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Abstract


Saccharomyces cerevisiae Skn7p is a stress response transcription factor that undergoes aspartyl phosphorylation by the Sln1p histidine kinase. Aspartyl phosphorylation of Skn7p is required for activation of genes required in response to wall stress, but Skn7p also activates oxidative stress response genes in an aspartyl phosphorylation-independent manner. The presence of binding sites for the Yap1p and Skn7p transcription factors in oxidative stress response promoters and the oxidative stress-sensitive phenotypes of SKN7 and YAP1 mutants suggest that these two factors work together. We present here evidence for a DNA-independent interaction between the Skn7 and Yap1 proteins that involves the receiver domain of Skn7p and the cysteine-rich domains of Yap1p. The interaction with Yap1p may help partition the Skn7 protein to oxidative stress response promoters when the Yap1 protein accumulates in the nucleus.

Reference Type
Journal Article | Research Support, N.I.H., Extramural | Research Support, Non-U.S. Gov't
Authors
Mulford KE, Fassler JS
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