Cited by 929Neurobiology and Insect Physiology ResearchNeuroscience and Neuropharmacology ResearchIon channel regulation and function

Neurobiology of the Caenorhabditis elegans Genome

Bargmann, Cornelia I.·1998·Science

Abstract

Neurotransmitter receptors, neurotransmitter synthesis and release pathways, and heterotrimeric GTP–binding protein (G protein)–coupled second messenger pathways are highly conserved between Caenorhabditis elegans and mammals, but gap junctions and chemosensory receptors have independent origins in vertebrates and nematodes. Most ion channels are similar to vertebrate channels but there are no predicted voltage-activated sodium channels. The C. elegans genome encodes at least 80 potassium channels, 90 neurotransmitter-gated ion channels, 50 peptide receptors, and up to 1000 orphan receptors that may be chemoreceptors. For many gene families, C. elegans has both conventional members and divergent outliers with weak homology to known genes; these outliers may provide insights into previously unknown functions of conserved protein families.

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Crossref · 10.1126/science.282.5396.2028

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  • In C. elegans, despite knowing the genome, cell types, and connectome, understanding of how this structure maps onto the worm's behavior remains incomplete.

    “Despite this wealth of knowledge, our understanding of how all this structure maps onto the worm's behavior remains frustratingly incomplete.”

    From Neuroscience Needs Behavior: Correcting a Reductionist Bias (2017) · cites this paper as Bargmann, 1998

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Authors
Bargmann, C. I.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Bargmann, Cornelia I.
Venue
Science
Published
1998-12-11
Volume
282
Issue
5396
Pages
2028-2033
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2079441999
Cited by
929
References
76
Citations by year
2026: 11 · 2025: 27 · 2024: 34 · 2023: 25 · 2022: 42 · 2021: 25 · 2020: 32 · 2019: 25 · 2018: 26 · 2017: 26 · 2016: 12 · 2015: 21 · 2014: 26 · 2013: 29 · 2012: 30
FWCI
7.40
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
Keywords
Caenorhabditis elegans, genome, neurobiology, neurotransmitter receptors, neurotransmitter synthesis, neurotransmitter release, G protein-coupled receptors, second messengers, gap junctions, chemosensory receptors, ion channels, potassium channels, neurotransmitter-gated ion channels, peptide receptors, orphan receptors, chemoreceptors, gene family evolution, comparative genomics
MeSH terms
Animals, Ion Channels, Nervous System Physiological Phenomena, Neuronal Plasticity, Neurons, Receptors, Cell Surface, Sensory Receptor Cells, Synapses, Genome, Caenorhabditis elegans, Genes, Helminth, Gap Junctions, Neurotransmitter Agents, GTP-Binding Proteins

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