Study of a Common Gene Deletion in Humans
Author Information
Author(s): Kidd Jeffrey M, Newman Tera L, Tuzun Eray, Kaul Rajinder, Eichler Evan E
Primary Institution: University of Washington
Hypothesis
How does the frequency of a common deletion in the APOBEC3B gene vary among different human populations?
Conclusion
The study found significant variation in the frequency of the APOBEC3B gene deletion across different populations, with it being almost fixed in Oceanic populations and rare in Africans and Europeans.
Supporting Evidence
- The deletion frequency was found to be 0.9% in Africans and 6% in Europeans.
- In East Asians and Amerindians, the deletion frequency was 36.9% and 57.7%, respectively.
- The deletion is almost fixed in Oceanic populations with a frequency of 92.9%.
- The study emphasizes the importance of directly genotyping structural variations in association studies.
Takeaway
Some people have a missing piece in a gene that helps fight viruses, and this missing piece is more common in some parts of the world than others.
Methodology
The researchers sequenced the deletion breakpoints and genotyped 1,277 human samples from various populations to analyze the deletion's frequency.
Potential Biases
There may be biases in SNP ascertainment that affect the results.
Limitations
The study may not account for all potential confounding factors in population genetics.
Participant Demographics
The study included individuals from 51 different populations worldwide.
Statistical Information
P-Value
0.2843
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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