ArticleScientific reports2017
The rises and falls of opsin genes in 59 ray-finned fish genomes and their implications for environmental adaptation.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers, 2 of them syntheses that pooled it.
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57 citing papers in PubMed, 2 syntheses or guidelines pooled it, 117 citations in OpenAlex.
- Phenotypic plasticity in visual opsin gene expression: a meta-analysis in teleost fish.The Journal of experimental biology · 2025Pooled it
- Pooled it
- Turning Red to Green Repeatedly: Ancestral LWS Duplications Drive Convergent Visual Tuning in Teleost Fishes.Molecular ecology · 2026Article
- Evolutionary Transitions Drive Molecular Adaptation in Sculpin Rhodopsin.Journal of molecular evolution · 2026Article
- Convergent Functional Genomic Evolution Underlying Repeated Freshwater Colonization in Cetaceans.Journal of molecular evolution · 2026Article
- Genomic and regulatory basis of visual opsin genes in the cleaner wrasse behavior: features, expression, and enhancer mechanisms.Molecular biology reports · 2026Article
- Opsin gene evolution in aquatic, amphibious and terrestrial blennies (Blenniidae).Biology open · 2026Article
- Visual pigments of basal lineages of bony fishes support independent ecological shifts from a shallow marine to a freshwater niche.Evolution letters · 2026Article
- Comparative phenotypic analysis of rhodopsin supports stepwise evolution of dim-light vision in early vertebrates.Molecular biology and evolution · 2026Article
- Non-visual opsins and their role in circadian photoentrainment.Eye and vision (London, England) · 2026Review
- Article
- Exposure to Predators Induces Phenotypic Plasticity in Cone Opsin Expression Profiles but not in Eye Size of Female Trinidad Guppies.Zoological studies · 2026Article
- Caecilians maintain a functional long-wavelength-sensitive cone opsin gene despite signatures of relaxed selection and more than 200 million years of fossoriality.Evolution; international journal of organic evolution · 2025Article
- Seeing in the Deep: Evolution of the Opsin Gene Expression in Bermin Crater Lake Cichlids.Molecular biology and evolution · 2025Article
- Caecilians maintain a functional long-wavelength-sensitive cone opsin gene despite signatures of relaxed selection and more than 200 million years of fossoriality.bioRxiv : the preprint server for biology · 2025Article
- Evolution of the Nonvisual and Visual Opsin Gene Repertoire in Ray-Finned Fishes.Genome biology and evolution · 2025Article
- Dietary carotenoids enhance SWS1 expression in female western mosquitofish (Gambusia affinis) but do not impair their likelihood of pregnancy in the presence of male guppy.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2025Article
- Multiple Pathways of Visual Adaptations for Water Column Usage in an Antarctic Adaptive Radiation.Ecology and evolution · 2025Article
- Damsels in Disguise: Development of Ultraviolet Sensitivity and Colour Patterns in Damselfishes (Pomacentridae).Molecular ecology · 2025Article
- The chromosome-level genome provides insights into the adaptive evolution of the visual system in Oratosquilla oratoria.BMC biology · 2025Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We studied the evolution of opsin genes in 59 ray-finned fish genomes. We identified the opsin genes and adjacent genes (syntenies) in each genome. Then we inferred the changes in gene copy number (N), syntenies, and tuning sites along each phylogenetic branch during evolution. The Exorh (rod opsin) gene has been retained in 56 genomes. Rh1, the intronless rod opsin gene, first emerged in ancestral Actinopterygii, and N increased to 2 by the teleost-specific whole genome duplication, but then decreased to 1 in the ancestor of Neoteleostei fishes. For cone opsin genes, the rhodopsin-like (Rh2) and long-wave-sensitive (LWS) genes showed great variation in N among species, ranging from 0 to 5 and from 0 to 4, respectively. The two short-wave-sensitive genes, SWS1 and SWS2, were lost in 23 and 6 species, respectively. The syntenies involving LWS, SWS2 and Rh2 underwent complex changes, while the evolution of the other opsin gene syntenies was much simpler. Evolutionary adaptation in tuning sites under different living environments was discussed. Our study provides a detailed view of opsin gene gains and losses, synteny changes and tuning site changes during ray-finned fish evolution.
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