Transcriptome Analysis of a Respiratory Yeast Strain
Author Information
Author(s): Bonander Nicklas, Ferndahl Cecilia, Mostad Petter, Wilks Martin DB, Chang Celia, Showe Louise, Gustafsson Lena, Larsson Christer, Bill Roslyn M
Primary Institution: School of Life and Health Sciences, Aston University
Hypothesis
The expression of the respiratory phenotype in Saccharomyces cerevisiae is glucose insensitive and predominantly controlled by specific transcription factors.
Conclusion
The study reveals that the respiratory yeast strain V5.TM6*P exhibits a genetic remodelling consistent with a respiratory metabolism that is insensitive to external glucose concentrations.
Supporting Evidence
- 88% of the transcriptional response of the induced genes can be related to the activities of just three proteins: Hap4, Cat8, and Mig1.
- 77% of the induced genes had binding sites for the Hap complex.
- Unexpectedly, glucose dependence was not present in the respiratory strain V5.TM6*P.
Takeaway
Scientists studied a special yeast that can breathe without being affected by sugar levels, helping us understand how it works better.
Methodology
The researchers compared the transcriptomes of two yeast strains under varying glucose concentrations using cDNA array analyses.
Limitations
The study may not account for all environmental factors affecting gene expression in yeast.
Statistical Information
P-Value
<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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