Distinct configurations of protein complexes and biochemical pathways revealed by epistatic interaction network motifs
2011

Protein Complexes and Pathways in Yeast Interactions

Sample size: 2237 publication 10 minutes Evidence: high

Author Information

Author(s): Casey Fergal, Krogan Nevan, Shields Denis C, Cagney Gerard

Primary Institution: University College Dublin

Hypothesis

Are specific triplet motifs in epistatic interaction networks associated with distinct biological properties?

Conclusion

NNP motifs indicate supportive relationships between protein complexes, while NPP motifs often highlight regulatory roles in biochemical pathways.

Supporting Evidence

  • NNN motifs are associated with synthetic lethal interactions.
  • PPP motifs correlate with protein complexes.
  • NNP motifs indicate supportive relationships between protein complexes.
  • NPP motifs highlight regulatory roles in biochemical pathways.

Takeaway

Scientists studied how groups of proteins interact in yeast, finding that some patterns show how proteins work together, while others show how they can oppose each other.

Methodology

The study analyzed triplet motifs in a network of epistatic interactions using a compendium of yeast genetic interactions.

Potential Biases

Potential bias from the methods used to define and analyze epistatic interactions.

Limitations

The dataset is limited to yeast and may not generalize to other organisms.

Participant Demographics

Yeast (Saccharomyces cerevisiae) genes and their interactions.

Statistical Information

P-Value

3 × 10^-6

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1752-0509-5-133

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