Gene conversion and purifying selection of a placenta-specific ERV-V envelope gene during simian evolution
Author Information
Author(s): Kjeldbjerg Anders L, Villesen Palle, Aagaard Lars, Pedersen Finn Skou
Primary Institution: Department of Molecular Biology, University of Aarhus
Hypothesis
How have gene conversion and purifying selection affected the evolution of ERV-V envelope genes in simians?
Conclusion
The study shows that ERV-V genes have been preserved through purifying selection and gene conversion, indicating a beneficial role for the host.
Supporting Evidence
- ENVV2 gene is preserved with an intact reading frame during simian evolution.
- ENVV1 and ENVV2 show placenta-specific expression in humans and baboons.
- Strong evidence of purifying selection on the ENVV2 gene during primate evolution.
Takeaway
Scientists found that certain genes from ancient viruses in our DNA help protect babies during pregnancy and have been kept safe through evolution.
Methodology
The study involved PCR amplification and sequencing of DNA from various primate species to analyze the ERV-V envelope genes.
Limitations
The study does not provide extensive functional characterization of the ENVV genes beyond their evolutionary analysis.
Statistical Information
P-Value
p<0.00066
Statistical Significance
p<0.00066
Digital Object Identifier (DOI)
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