Evolution and origin of vomeronasal-type odorant receptor gene repertoire in fishes
2006
Evolution of V2R Genes in Fishes
Sample size: 4
publication
10 minutes
Evidence: moderate
Author Information
Author(s): Hashiguchi Yasuyuki, Nishida Mutsumi
Primary Institution: University of Tokyo
Hypothesis
What are the evolutionary dynamics of V2R genes in teleost fishes?
Conclusion
The study shows that fish V2Rs have undergone rapid gene turnover and lineage-specific clustering.
Supporting Evidence
- Zebrafish have the highest number of V2R genes identified at 46.
- The V2R gene family shows significant variation in size among different fish species.
- Phylogenetic analysis revealed 16 subfamilies of V2R genes in fish.
Takeaway
This study looks at how fish smell using special genes called V2Rs, which help them detect different chemicals in the water.
Methodology
V2R sequences were identified from draft genome sequences of zebrafish, medaka, fugu, and pufferfish using computational methods.
Limitations
The study relies on draft genome sequences, which may contain incomplete data.
Participant Demographics
The study focuses on four species of teleost fishes: zebrafish, medaka, fugu, and pufferfish.
Digital Object Identifier (DOI)
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