C. elegans Study on p53 Family and DNA Damage
Author Information
Author(s): Greiss Sebastian, Schumacher Björn, Grandien Kaj, Rothblatt Jonathan, Gartner Anton
Primary Institution: Wellcome Trust Centre for Gene Regulation and Expression, The University of Dundee
Hypothesis
Does cep-1 have additional functions in the DNA damage response apart from the transcriptional induction of egl-1 and ced-13?
Conclusion
The study indicates that DNA damage induced apoptosis via the transcriptional induction of BH3 domain proteins is likely an ancient function of the p53 family.
Supporting Evidence
- 83 genes were induced more than two fold upon ionizing radiation.
- Only three IR-induced genes are dependent on cep-1.
- The majority of IR-induced genes are involved in general stress responses.
Takeaway
This study looks at how a gene in worms helps them respond to DNA damage, showing that this process has been around for a long time.
Methodology
Genome-wide transcriptional profiling using Affymetrix GeneChip arrays after exposing C. elegans to ionizing radiation.
Limitations
The study primarily focuses on a single p53-like gene in C. elegans, which may limit the generalizability of the findings to other organisms.
Participant Demographics
C. elegans strains used were developmentally synchronized young adult hermaphrodites.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website