Divergent Evolution among Teleost V1r Receptor Genes
Author Information
Author(s): Pfister Patrick, Randall Jerome, Montoya-Burgos Juan I., Rodriguez Ivan
Primary Institution: University of Geneva
Hypothesis
The study investigates the evolutionary constraints and expression of V1r receptor genes in teleost fish.
Conclusion
The study found that V1r1 and V1r2 genes exhibit different evolutionary rates, with V1r1 evolving faster and showing signs of positive selection.
Supporting Evidence
- V1r1 and V1r2 genes were found in zebrafish, medaka, and stickleback.
- V1r1 evolved significantly faster than V1r2 (p=0.015).
- Positively-selected sites were detected in specific branches of the V1r1 clade.
Takeaway
Fish have special genes that help them smell pheromones, and these genes change at different speeds over time.
Methodology
The study involved analyzing V1r gene sequences from various teleost species and performing phylogenetic analyses.
Limitations
The study may not have identified all V1r genes due to incomplete genome coverage in some species.
Statistical Information
P-Value
0.015
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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