ArticleBMC biology2022
Coevolution of the olfactory organ and its receptor repertoire in ray-finned fishes.
Article in BMC biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed.
- Specialization of the upper and lower olfactory rosettes reveals sex- and origin-dependent plasticity in gene expression in Senegalese sole (Solea senegalensis).BMC biology · 2026Article
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- Integrated Histological, Ultrastructural, Lectin and Immunohistochemical Characterization of the Senegalese sole (Animals : an open access journal from MDPI · 2026Article
- Vertebrate-wide transcriptomic screening identifies immune cell-specific expression of the conserved OR-κ gene.Zoological letters · 2026Article
- The Role of Olfaction in Dogs: Evolution, Biology, and Human-Oriented Work.Animals : an open access journal from MDPI · 2026Review
- Full-length hybrid transcriptome of the olfactory rosette in Senegalese sole (Solea senegalensis): an essential genomic resource for improving reproduction on farms.DNA research : an international journal for rapid publication of reports on genes and genomes · 2025Article
- Divergent selection, recombination variability, and noncoding introgression drive speciation and adaptation in threadfin Eleutheronema.Communications biology · 2025Article
- Identification of key genes for fish adaptation to freshwater and seawater based on attention mechanism.BMC genomics · 2025Article
- Comparative Transcriptomics of Olfactory Rosettes Reveals Expression Divergence and Adaptive Evolution in Herbivorous and Carnivorous Xenocyprididae Fishes.Animals : an open access journal from MDPI · 2025Article
- Evolution of the Nonvisual and Visual Opsin Gene Repertoire in Ray-Finned Fishes.Genome biology and evolution · 2025Article
- Possible Involvement of Ghost Introgressions in the Striking Diversity of Vomeronasal Type 1 Receptor Genes in East African Cichlids.Ecology and evolution · 2025Article
- The Sensory Shark: High-quality Morphological, Genomic and Transcriptomic Data for the Small-spotted Catshark Scyliorhinus Canicula Reveal the Molecular Bases of Sensory Organ Evolution in Jawed Vertebrates.Molecular biology and evolution · 2024Article
- Article
- Diversity and evolution of the vertebrate chemoreceptor gene repertoire.Nature communications · 2024Article
- First evidence of sexual dimorphism in olfactory organs of deep-sea lanternfishes (Myctophidae).PeerJ · 2024Article
- Expanded olfactory system in ray-finned fishes capable of terrestrial exploration.BMC biology · 2023Article
- Ancient and Nonuniform Loss of Olfactory Receptor Expression Renders the Shark Nose a De Facto Vomeronasal Organ.Molecular biology and evolution · 2023Article
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7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRay-finned fishes (Actinopterygii) perceive their environment through a range of sensory modalities, including olfaction. Anatomical diversity of the olfactory organ suggests that olfaction is differentially important among species. To explore this topic, we studied the evolutionary dynamics of the four main gene families (OR, TAAR, ORA/VR1 and OlfC/VR2) coding for olfactory receptors in 185 species of ray-finned fishes.
resultsThe large variation in the number of functional genes, between 28 in the ocean sunfish Mola mola and 1317 in the reedfish Erpetoichthys calabaricus, is the result of parallel expansions and contractions of the four main gene families. Several ancient and independent simplifications of the olfactory organ are associated with massive gene losses. In contrast, Polypteriformes, which have a unique and complex olfactory organ, have almost twice as many olfactory receptor genes as any other ray-finned fish.
conclusionsWe document a functional link between morphology of the olfactory organ and richness of the olfactory receptor repertoire. Further, our results demonstrate that the genomic underpinning of olfaction in ray-finned fishes is heterogeneous and presents a dynamic pattern of evolutionary expansions, simplifications, and reacquisitions.
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