ArticleBMC genomics2022
Transcriptome of the synganglion in the tick Ixodes ricinus and evolution of the cys-loop ligand-gated ion channel family in ticks.
Article in BMC genomics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 20 citations in OpenAlex.
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- No ancillary proteins are essential for the functional heterologous expression of the homomeric α6 nicotinic acetylcholine receptor from the brown castor tickCurrent research in parasitology & vector-borne diseases · 2026Article
- Multi-Omics Technologies Applied to Improve Tick Research.Microorganisms · 2025Review
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- Dissection and internal anatomy of the giant tropical bont tick Amblyomma variegatum.Parasite (Paris, France) · 2025Article
- Functional expression and properties of the tick α6 homomeric nicotinic acetylcholine receptor inCurrent research in parasitology & vector-borne diseases · 2025Article
- Identification and Spatiotemporal Expression of a Putative New GABA Receptor Subunit in the Human Body LouseGenes · 2024Article
- Putative target sites in synganglion for novel ixodid tick control strategies.Ticks and tick-borne diseases · 2023Review
- Correction: Transcriptome of the synganglion in the tick Ixodes ricinus and evolution of the cys-loop ligand-gated ion channel family in ticks.BMC genomics · 2022Article
Corrections and comments
- Erratum issued
Authors and funding
16 authors at 6 institutions in 2 countries.
Funding
Abstract
backgroundTicks represent a major health issue for humans and domesticated animals. Exploring the expression landscape of the tick's central nervous system (CNS), known as the synganglion, would be an important step in understanding tick physiology and in managing tick-borne diseases, but studies on that topic are still relatively scarce. Neuron-specific genes like the cys-loop ligand-gated ion channels (cys-loop LGICs, or cysLGICs) are important pharmacological targets of acaricides. To date their sequence have not been well catalogued for ticks, and their phylogeny has not been fully studied.
resultsWe carried out the sequencing of transcriptomes of the I. ricinus synganglion, for adult ticks in different conditions (unfed males, unfed females, and partially-fed females). The de novo assembly of these transcriptomes allowed us to obtain a large collection of cys-loop LGICs sequences. A reference meta-transcriptome based on synganglion and whole body transcriptomes was then produced, showing high completeness and allowing differential expression analyses between synganglion and whole body. Many of the genes upregulated in the synganglion were associated with neurotransmission and/or localized in neurons or the synaptic membrane. As the first step of a functional study of cysLGICs, we cloned the predicted sequence of the resistance to dieldrin (RDL) subunit homolog, and functionally reconstituted the first GABA-gated receptor of Ixodes ricinus. A phylogenetic study was performed for the nicotinic acetylcholine receptors (nAChRs) and other cys-loop LGICs respectively, revealing tick-specific expansions of some types of receptors (especially for Histamine-like subunits and GluCls).
conclusionsWe established a large catalogue of genes preferentially expressed in the tick CNS, including the cysLGICs. We discovered tick-specific gene family expansion of some types of cysLGIC receptors, and a case of intragenic duplication, suggesting a complex pattern of gene expression among different copies or different alternative transcripts of tick neuro-receptors.
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