The Stress Response Factors Yap6, Cin5, Phd1, and Skn7 Direct Targeting of the Conserved Co-Repressor Tup1-Ssn6 in S. cerevisiae
2011

New Factors That Help Regulate Gene Expression in Yeast

Sample size: 21 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sean E. Hanlon, Jason M. Rizzo, Deirdre C. Tatomer, Jason D. Lieb, Michael J. Buck

Primary Institution: University of North Carolina at Chapel Hill

Hypothesis

How do new proteins interact with the Tup1-Ssn6 complex to regulate gene expression in yeast?

Conclusion

The study identified four new proteins that interact with the Tup1-Ssn6 complex, enhancing our understanding of gene regulation in yeast.

Supporting Evidence

  • The study identified 282 Tup1 binding sites across the yeast genome.
  • Deletion of individual known recruiters did not significantly alter Tup1 binding profiles.
  • Four new proteins were experimentally confirmed to interact with Tup1 and/or Ssn6.

Takeaway

Scientists found new helpers that work with a protein complex in yeast to control how genes are turned on and off, especially during stress.

Methodology

The researchers used ChIP-chip assays to determine the genomic distribution of Tup1 and Ssn6 and identified new recruiting proteins through computational screening.

Potential Biases

Potential biases in the datasets used for analysis could affect the results.

Limitations

The study may not account for all potential recruiting proteins and relies on existing datasets that may contain noise.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0019060

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