Variations in Stress Sensitivity and Genomic Expression in Diverse S. cerevisiae Isolates
2008

Variations in Stress Sensitivity and Genomic Expression in Diverse S. cerevisiae Isolates

Sample size: 52 publication 10 minutes Evidence: high

Author Information

Author(s): D. J. Kvitek, J. L. Will, A. P. Gasch

Primary Institution: University of Wisconsin–Madison

Hypothesis

How does phenotypic variation in stress sensitivity and genomic expression manifest in diverse Saccharomyces strains collected from different environments?

Conclusion

The study reveals significant phenotypic variation in stress sensitivity and gene expression among diverse Saccharomyces strains, highlighting the importance of environmental factors in shaping these traits.

Supporting Evidence

  • 52 strains were tested for stress sensitivity across 14 environmental conditions.
  • Significant variation in gene expression was observed in 17 non-laboratory strains.
  • Strains from similar environments displayed similar stress sensitivity profiles.

Takeaway

Scientists studied different types of yeast to see how they react to stress, and found that they behave very differently depending on where they come from.

Methodology

The study measured the sensitivity of 52 yeast strains to 14 environmental conditions and compared genomic expression in 18 strains.

Potential Biases

Potential bias may arise from the selection of strains and environmental conditions tested.

Limitations

The study primarily focused on non-laboratory strains, which may limit the generalizability of findings to laboratory strains.

Participant Demographics

The study included diverse Saccharomyces strains collected from various natural habitats, including vineyards, oak soil, and clinical isolates.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.005

Digital Object Identifier (DOI)

10.1371/journal.pgen.1000223

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