How Genetic Variations Affect Alternative Splicing
Author Information
Author(s): Jeremy Hull, Susana Campino, Kate Rowlands, Man-Suen Chan, Richard R. Copley, Martin S. Taylor, Kirk Rockett, Gareth Elvidge, Brendan Keating, Julian Knight, Dominic Kwiatkowski
Primary Institution: University Department of Paediatrics, John Radcliffe Hospital, Oxford, United Kingdom
Hypothesis
Is commonly observed phenotypic variation in splicing patterns determined by naturally occurring DNA sequence variation, particularly by SNPs?
Conclusion
The study found that phenotypic variation in splicing patterns is significantly influenced by SNPs located near intron-exon boundaries.
Supporting Evidence
- The study identified 70 simple cassette exon alternative splicing events.
- Six of these events showed consistent differences in splicing patterns among individuals.
- The strongest correlation between splice phenotype and SNPs was found near intron-exon boundaries.
Takeaway
This study shows that tiny changes in our DNA can change how our genes are spliced, which can affect how proteins work in our bodies.
Methodology
The study surveyed splicing patterns of 250 exons in 22 individuals and identified SNPs associated with splicing variation.
Limitations
The study focused on a limited number of genes and splicing events, which may not represent the entire genome.
Participant Demographics
22 unrelated individuals from the International HapMap Project.
Statistical Information
P-Value
p < 10−6
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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