ArticleeLife2023
Peripheral and central employment of acid-sensing ion channels during early bilaterian evolution.
Article in eLife, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 17 citations in OpenAlex.
- Tunable AMPA receptor function via recurrent evolution of heterotetramers.The Journal of general physiology · 2026Article
- The complete catalog of antimicrobial resistance secondary active transporters inComputational and structural biotechnology journal · 2024Article
- A conserved peptide-binding pocket in HyNaC/ASIC ion channels.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Structural basis for excitatory neuropeptide signaling.Nature structural & molecular biology · 2024Article
- Comparative Analysis of Bivalve and Sea Urchin Genetics and Development: Investigating the Dichotomy in Bilateria.International journal of molecular sciences · 2023Review
- Function and phylogeny support the independent evolution of an ASIC-like Deg/ENaC channel in the Placozoa.Communications biology · 2023Article
- The diverse functions of the DEG/ENaC family: linking genetic and physiological insights.The Journal of physiology · 2023Article
- Functional analysis in a model sea anemone reveals phylogenetic complexity and a role in cnidocyte discharge of DEG/ENaC ion channels.Communications biology · 2023Article
- Comparative analysis defines a broader FMRFamide-gated sodium channel family and determinants of neuropeptide sensitivity.The Journal of biological chemistry · 2022Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nervous systems are endowed with rapid chemosensation and intercellular signaling by ligand-gated ion channels (LGICs). While a complex, bilaterally symmetrical nervous system is a major innovation of bilaterian animals, the employment of specific LGICs during early bilaterian evolution is poorly understood. We therefore questioned bilaterian animals' employment of acid-sensing ion channels (ASICs), LGICs that mediate fast excitatory responses to decreases in extracellular pH in vertebrate neurons. Our phylogenetic analysis identified an earlier emergence of ASICs from the overarching DEG/ENaC (degenerin/epithelial sodium channel) superfamily than previously thought and suggests that ASICs were a bilaterian innovation. Our broad examination of ASIC gene expression and biophysical function in each major bilaterian lineage of Xenacoelomorpha, Protostomia, and Deuterostomia suggests that the earliest bilaterian ASICs were probably expressed in the periphery, before being incorporated into the brain as it emerged independently in certain deuterostomes and xenacoelomorphs. The loss of certain peripheral cells from Ecdysozoa after they separated from other protostomes likely explains their loss of ASICs, and thus the absence of ASICs from model organisms
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.