How Cbk1 Controls Gene Expression in Yeast Cells
Author Information
Author(s): Mazanka Emily, Alexander Jess, Yeh Brian J, Charoenpong Patrick, Lowery Drew M, Yaffe Michael, Weiss Eric L
Primary Institution: Northwestern University
Hypothesis
How does the kinase Cbk1 control the asymmetric distribution and function of the transcription factor Ace2 in yeast cells?
Conclusion
Cbk1 directly controls the transcription factor Ace2, regulating its activity and localization through specific phosphorylation.
Supporting Evidence
- Cbk1 is required for the proper localization and function of Ace2.
- Phosphorylation by Cbk1 prevents Ace2 from being exported out of the nucleus.
- Cbk1 is localized specifically to the daughter cell during cell division.
Takeaway
This study shows that a protein called Cbk1 helps another protein, Ace2, move to the right place in a cell so it can do its job of turning on certain genes.
Methodology
The study used both in vivo and in vitro assays to analyze the phosphorylation of Ace2 by Cbk1 and its effects on gene expression.
Digital Object Identifier (DOI)
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