Dynamic cumulative activity of transcription factors as a mechanism of quantitative gene regulation
2007

Dynamic Regulation of Gene Expression by Transcription Factors

Sample size: 161 publication 10 minutes Evidence: high

Author Information

Author(s): He Feng, Jan Buer, An-Ping Zeng, Rudi Balling

Primary Institution: HZI- Helmholtz Centre for Infection Research

Hypothesis

How do combinations of transcription factors quantitatively control gene expression?

Conclusion

Dynamic cumulative regulation is a key principle in how transcription factors control gene expression.

Supporting Evidence

  • 67.1% of three-regulator motifs showed significant correlation with target gene expression.
  • 32.9% of two-regulator motifs showed significant correlation with target gene expression.
  • The results were verified with a second independent set of time-series data.

Takeaway

This study shows that when different proteins work together to control genes, the timing of their actions is really important for how well they work.

Methodology

The study used high-resolution time-series data and analyzed the combinatorial expression profiles of transcription factors in yeast.

Limitations

The study may not account for all possible interactions and conditions affecting gene regulation.

Participant Demographics

Yeast transcription factors and their target genes.

Statistical Information

P-Value

2.7E-3

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/gb-2007-8-9-r181

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication