ArticleGenome biology and evolution2017
Evolution of Chemosensory Gene Families in Arthropods: Insight from the First Inclusive Comparative Transcriptome Analysis across Spider Appendages.
Article in Genome biology and evolution, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 58 citations in OpenAlex.
- IR25a-like Receptors are Required for Olfactory Detection of Plant Volatiles in the Carmine Spider Mite.Journal of chemical ecology · 2026Article
- How Did Evolution Halve Genome Size During an Oceanic Island Colonization?Molecular biology and evolution · 2025Article
- Current Knowledge on Chemosensory-Related Candidate Molecules Potentially Involved in Tick Olfaction via Haller's Organ.Insects · 2023Review
- A Deeper Insight into the Tick Salivary Protein Families under the Light of Alphafold2 and Dali: Introducing the TickSialoFam 2.0 Database.International journal of molecular sciences · 2022Article
- Identification and expression of potential olfactory-related genes related to Niemann-Pick C2 protein and ionotropic receptors in Haemaphysalis longicornis.Experimental & applied acarology · 2022Article
- Article
- Herbivore-Induced Rice Volatiles Attract and Affect the Predation Ability of the Wolf Spiders,Insects · 2022Article
- The Tetragnatha kauaiensis Genome Sheds Light on the Origins of Genomic Novelty in Spiders.Genome biology and evolution · 2021Article
- A new non-classical fold of varroa odorant-binding proteins reveals a wide open internal cavity.Scientific reports · 2021Article
- Lipocalins in Arthropod Chemical Communication.Genome biology and evolution · 2021Article
- Comprehensive History ofGenes · 2020Review
- Comparative Genomics Identifies Putative Signatures of Sociality in Spiders.Genome biology and evolution · 2020Article
- Evolution, developmental expression and function of odorant receptors in insects.The Journal of experimental biology · 2020Review
- Expanded complement of Niemann-Pick type C2-like protein genes in Clonorchis sinensis suggests functions beyond sterol binding and transport.Parasites & vectors · 2020Article
- Ovarian Transcriptomic Analyses in the Urban Human Health Pest, the Western Black Widow Spider.Genes · 2020Article
- Article
- Odorant-Binding Proteins as Sensing Elements for Odour Monitoring.Sensors (Basel, Switzerland) · 2018Review
- Enormous expansion of the chemosensory gene repertoire in the omnivorous German cockroach Blattella germanica.Journal of experimental zoology. Part B, Molecular and developmental evolution · 2018Article
- Comparative Genomics Reveals Thousands of Novel Chemosensory Genes and Massive Changes in Chemoreceptor Repertories across Chelicerates.Genome biology and evolution · 2018Article
- The Two Main Olfactory Receptor Families inFrontiers in cellular neuroscience · 2018Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unlike hexapods and vertebrates, in chelicerates, knowledge of the specific molecules involved in chemoreception comes exclusively from the comparative analysis of genome sequences. Indeed, the genomes of mites, ticks and spiders contain several genes encoding homologs of some insect membrane receptors and small soluble chemosensory proteins. Here, we conducted for the first time a comprehensive comparative RNA-Seq analysis across different body structures of a chelicerate: the nocturnal wandering hunter spider Dysdera silvatica Schmidt 1981. Specifically, we obtained the complete transcriptome of this species as well as the specific expression profile in the first pair of legs and the palps, which are thought to be the specific olfactory appendages in spiders, and in the remaining legs, which also have hairs that have been morphologically identified as chemosensory. We identified several ionotropic (Ir) and gustatory (Gr) receptor family members exclusively or differentially expressed across transcriptomes, some exhibiting a distinctive pattern in the putative olfactory appendages. Furthermore, these IRs were the only known olfactory receptors identified in such structures. These results, integrated with an extensive phylogenetic analysis across arthropods, uncover a specialization of the chemosensory gene repertoire across the body of D. silvatica and suggest that some IRs likely mediate olfactory signaling in chelicerates. Noticeably, we detected the expression of a gene family distantly related to insect odorant-binding proteins (OBPs), suggesting that this gene family is more ancient than previously believed, as well as the expression of an uncharacterized gene family encoding small globular secreted proteins, which appears to be a good chemosensory gene family candidate.
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