How Yeast Cells Respond to DNA Damage from Chemicals and Radiation
Author Information
Author(s): Benton Michael G, Somasundaram Swetha, Glasner Jeremy D, Palecek Sean P
Primary Institution: University of Wisconsin, Madison, WI, USA
Hypothesis
How does the global transcriptional response of Saccharomyces cerevisiae vary with different doses of DNA damaging agents?
Conclusion
The study identified how yeast cells modulate their transcriptional response to different doses of DNA damage, revealing insights into their mechanisms for dealing with genotoxicity.
Supporting Evidence
- The study measured the transcriptional response of yeast to multiple doses of DNA damaging agents.
- Hierarchical clustering revealed distinct patterns of gene expression based on the type and dose of damage.
- Certain genes showed biphasic responses to increasing doses of methyl methanesulfonate.
Takeaway
Yeast cells change how they express their genes when they are exposed to different amounts of DNA damage, helping them survive and fix the damage.
Methodology
The study used oligonucleotide microarrays to measure the transcriptional response of yeast cells to various doses of methyl methanesulfonate and gamma radiation.
Limitations
The study may not account for all possible cellular responses to DNA damage, and the results are specific to the conditions tested.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website