Distributions of Transposable Elements Reveal Hazardous Zones in Mammalian Introns
2011
Hazardous Zones in Mammalian Introns Revealed by Transposable Elements
publication
Evidence: high
Author Information
Author(s): Zhang Ying, Romanish Mark T., Mager Dixie L.
Primary Institution: Terry Fox Laboratory, British Columbia Cancer Agency, Vancouver, British Columbia, Canada
Hypothesis
Are intronic transposable elements (TEs) more likely to disrupt gene transcription when located near exons?
Conclusion
The study found that transposable elements near exons are underrepresented and that those within specific zones are more likely to disrupt transcription.
Supporting Evidence
- TEs near exons are underrepresented compared to random distributions.
- Intronic TEs within underrepresentation zones are shorter on average.
- Disease-causing intronic TE insertions show opposite distributional trends.
Takeaway
Some pieces of DNA called transposable elements can mess up how genes work, especially when they are close to important parts of the gene.
Methodology
The study used bioinformatics analyses to examine the distribution of intronic TEs in human and mouse genes.
Statistical Information
P-Value
p<2.2e-16
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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