TorsinA and Printor Do Not Affect Endoplasmic Reticulum Stress in Yeast
Author Information
Author(s): Julie S. Valastyan, Susan Lindquist
Primary Institution: Whitehead Institute for Biomedical Research
Hypothesis
Saccharomyces cerevisiae might represent a useful model system for studying torsinA function and the effects of its mutants.
Conclusion
TorsinA does not impact protein folding or secretion in yeast, suggesting it may not function in endoplasmic reticulum protein homeostasis.
Supporting Evidence
- TorsinA did not impact the unfolded protein response in yeast.
- Expression of torsinA did not affect the growth rate of yeast.
- TorsinA and its interacting partner printor did not elicit differential cellular phenotypes.
Takeaway
The study found that a protein called torsinA doesn't help yeast cells deal with stress, even though it was thought to be important for that.
Methodology
The study used yeast strains to express torsinA and assessed their ability to respond to stressors and monitor protein trafficking.
Limitations
The study did not uncover a role for torsinA in yeast, which may be due to missing cofactors or differences in cellular environments.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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