Coordinated Changes in Transcripts and Metabolites in Yeast
Author Information
Author(s): Bradley Patrick H., Brauer Matthew J., Rabinowitz Joshua D., Troyanskaya Olga G.
Primary Institution: Princeton University
Hypothesis
The extent to which functionally related transcripts and metabolites show similar patterns of concentration changes remains unestablished.
Conclusion
The study demonstrates that transcripts and metabolites in yeast show coordinated response dynamics to nutrient starvation.
Supporting Evidence
- Transcripts and metabolites show coordinated response dynamics.
- Functionally related metabolites and transcripts tend to participate in related biological processes.
- A Bayesian algorithm was developed to predict gene-metabolite interactions.
Takeaway
When yeast cells are starved of nutrients, the levels of certain genes and metabolites change together, which helps scientists understand how cells manage their resources.
Methodology
The study used microarray experiments and Bayesian integration to analyze the responses of yeast to carbon and nitrogen starvation.
Limitations
The study only examined two experimental conditions and may not capture all possible gene-metabolite interactions.
Statistical Information
P-Value
6.9×10−3
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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