Cited by 150Marine Invertebrate Physiology and EcologyNeuropeptides and Animal PhysiologyNeuroscience and Neuropharmacology Research

Cnidarian chemical neurotransmission, an updated overview

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Kass-Simon, G., Pierobon, Paola·2007·Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology

Abstract

The ultrastructural, histochemical, immunocytochemical, biochemical, molecular, behavioral and physiological evidence for non-peptidergic and peptidergic chemical neurotransmission in the Anthozoa, Hydrozoa, Scyphozoa and Cubozoa is surveyed. With the possible exception of data for the catecholamines and peptides in some animals, the set of cumulative data - the evidence from all methodologies - is incomplete. Taken together, the evidence from all experimental approaches suggests that both classical fast (acetylcholine, glutamate, GABA, glycine) and slow (catecholamines and serotonin) transmitters, as well as neuropeptides, are involved in cnidarian neurotransmission. Ultrastructural evidence for peptidergic, serotonergic, and catecholaminergic synaptic localization is available, but the presence of clear and dense-cored synaptic vesicles also suggests both fast and slow classical transmission. Immunocytochemical studies, in general, reveal a continuous, non-localized distribution of neuropeptides, suggesting a neuromodulatory role for them. Immunocytochemical and biochemical studies indicate the presence of glutamate, GABA, serotonin, catecholamines (and/or their receptors), RFamides, nitric oxide and eicosanoids in cnidarian neurons and tissues. Gene sequences for peptidergic preprohormones have been reported; putative gene homologies to receptor proteins for vertebrate transmitters have been found in Hydra. Behavioral and physiological studies implicate classical transmitters, neuropeptides, eicosanoids and nitric oxide in the coordination of the neuroeffector systems.

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Crossref · 10.1016/j.cbpa.2006.09.008

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  • Histochemical, biochemical, and functional data indicate the presence of small molecule neurotransmitters such as catecholamines, serotonin, acetylcholine, glutamate, and GABA in Cnidaria.

    “Ample histochemical, biochemical and functional data have been accumulated, indicating the presence of different small molecule neurotransmitters, such as catecholamines, serotonin, acetylcholine, glutamate and GABA in Cnidaria [48,49].”

    From Back to the Basics: Cnidarians Start to Fire (2017) · cites this paper as [48]

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Authors
Kass-Simon, G., & Pierobon, P.
Affiliations
Istituto di Cibernetica “Eduardo Caianiello” (IT)
Venue
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology
Publisher
Elsevier BV
Published
2007-01
Volume
146
Issue
1
Pages
9-25
ISSN
1095-6433 (ISSN-L)
OpenAlex
W2069471505
Cited by
150
References
210
Citations by year
2026: 4 · 2025: 10 · 2024: 8 · 2023: 5 · 2022: 5 · 2021: 12 · 2020: 6 · 2019: 13 · 2018: 10 · 2017: 7 · 2016: 8 · 2015: 12 · 2014: 5 · 2013: 7 · 2012: 6
FWCI
0.58
Type
journal article
Language
en
Open access
Locations
  • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology (publishedVersion)
  • PubMed (publishedVersion)
  • Journal of Media Literacy Education (submittedVersion, cc-by)
Funders
Ministero dell’Istruzione, dell’Università e della Ricerca (1105/02, 44)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Marine Invertebrate Physiology and Ecology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
chemical neurotransmission, neuropeptides, acetylcholine, glutamate, GABA, glycine, catecholamines, serotonin, RFamide, nitric oxide, eicosanoids, synaptic vesicles, neuromodulation, Hydra, Anthozoa, Hydrozoa, Scyphozoa, Cubozoa
MeSH terms
Animals, Cnidaria, Electrophysiology, Histocytochemistry, Immunohistochemistry, Synaptic Transmission, Neurotransmitter Agents

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