ArticleFrontiers in cellular neuroscience2014
Expression of ionotropic receptors in terrestrial hermit crab's olfactory sensory neurons.
Article in Frontiers in cellular neuroscience, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed, 49 citations in OpenAlex.
- Identification and Expression Profiling of Scorpion Ionotropic Receptors and Gustatory Receptors Based on the Transcriptomic Analysis.Integrative zoology · 2026Article
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- The sensory gene repertoire of deep-sea hydrothermal shrimp.PloS one · 2026Article
- An enteric neuron-expressed variant ionotropic receptor detects ingested salts to regulate salt stress resistance.bioRxiv : the preprint server for biology · 2025Article
- Genome-Wide Identification and Evolutionary Analysis ofAnimals : an open access journal from MDPI · 2025Article
- The olfactory pathway in the peracarid crustaceanOpen biology · 2025Article
- Identification of putative ingestion-related olfactory receptor genes in the Chinese mitten crab (Eriocheir japonica sinensis).Genes & genomics · 2021Article
- Comparative morphological and transcriptomic analyses reveal chemosensory genes in the poultry red mite, Dermanyssus gallinae.Scientific reports · 2020Article
- Single cell transcriptomes reveal expression patterns of chemoreceptor genes in olfactory sensory neurons of the Caribbean spiny lobster, Panulirus argus.BMC genomics · 2020Article
- Functional morphology of the primary olfactory centers in the brain of the hermit crab Coenobita clypeatus (Anomala, Coenobitidae).Cell and tissue research · 2020Article
- Article
- The Structure and Function of Ionotropic Receptors inFrontiers in molecular neuroscience · 2020Review
- Article
- Putative chemosensory receptors are differentially expressed in the sensory organs of male and female crown-of-thorns starfish, Acanthaster planci.BMC genomics · 2018Article
- Article
- Comparative Genomics Reveals Thousands of Novel Chemosensory Genes and Massive Changes in Chemoreceptor Repertories across Chelicerates.Genome biology and evolution · 2018Article
- Article
- Evolutionary History of Chemosensory-Related Gene Families across the Arthropoda.Molecular biology and evolution · 2017Article
- Age influences the olfactory profiles of the migratory oriental armyworm mythimna separate at the molecular level.BMC genomics · 2017Article
- Evolution of Chemosensory Gene Families in Arthropods: Insight from the First Inclusive Comparative Transcriptome Analysis across Spider Appendages.Genome biology and evolution · 2017Article
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Authors and funding
4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Coenobitidae are one out of at least five crustacean lineages which independently succeeded in the transition from water to land. This change in lifestyle required adaptation of the peripheral olfactory organs, the antennules, in order to sense chemical cues in the new terrestrial habitat. Hermit crab olfactory aesthetascs are arranged in a field on the distal segment of the antennular flagellum. Aesthetascs house approximately 300 dendrites with their cell bodies arranged in spindle-like complexes of ca. 150 cell bodies each. While the aesthetascs of aquatic crustaceans have been shown to be the place of odor uptake and previous studies identified ionotropic receptors (IRs) as the putative chemosensory receptors expressed in decapod antennules, the expression of IRs besides the IR co-receptors IR25a and IR93a in olfactory sensory neurons (OSNs) has not been documented yet. Our goal was to reveal the expression and distribution pattern of non-co-receptor IRs in OSNs of Coenobita clypeatus, a terrestrial hermit crab, with RNA in situ hybridization. We expanded our previously published RNAseq dataset, and revealed 22 novel IR candidates in the Coenobita antennules. We then used RNA probes directed against three different IRs to visualize their expression within the OSN cell body complexes. Furthermore we aimed to characterize ligand spectra of single aesthetascs by recording local field potentials and responses from individual dendrites. This also allowed comparison to functional data from insect OSNs expressing antennal IRs. We show that this orphan receptor subgroup with presumably non-olfactory function in insects is likely the basis of olfaction in terrestrial hermit crabs.
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