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Cited by 143Crustacean biology and ecologyNeuropeptides and Animal PhysiologyNeurobiology and Insect Physiology Research

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Ecdysis of Decapod Crustaceans is Associated With a Dramatic Release of Crustacean Cardioactive Peptide into the Haemolymph

Phlippen, Markus K., Webster, Simon G., Chung, J. Sook, Dircksen, Heinrich·2000·Journal of Experimental Biology
DOI 10.1242/jeb.203.3.521
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Abstract

On the basis of detailed analyses of morphological characteristics and behavioural events associated with ecdysis in a crab (Carcinus maenas) and a crayfish (Orconectes limosus), a comprehensive substaging system has been introduced for the ecdysis stage of the moult cycle of these decapod crustaceans. In a remarkably similar stereotyped ecdysis sequence in both species, a passive phase of water uptake starting with bulging and rupture of thoracoabdominal exoskeletal junctions is followed by an active phase showing distinct behavioural changes involved in the shedding of the head appendages, abdomen and pereiopods. Together with an enzyme immunoassay for crustacean cardioactive peptide (CCAP), the substaging has been used to demonstrate a large, rapid and reproducible peak in haemolymph CCAP levels (increases of approximately 30-fold in the crab and more than 100-fold in the crayfish compared with intermoult titres) during the later stages of active ecdysis. We suggest that the release of CCAP (accumulated in late premoult) from the crab pericardial organs or the crayfish ventral nerve cord accounts for many of the changes in behaviour and physiology seen during ecdysis and that this neurohormone is likely to be of critical importance in crustaceans and other arthropods.

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Metadata

Authors
Phlippen, M. K., Webster, S. G., Chung, J. S., & Dircksen, H.
Affiliations
University of Bonn (DE)
Corresponding author
Dircksen, Heinrich
ORCID
Venue
Journal of Experimental Biology
Publisher
The Company of Biologists
Published
2000-02-01
Volume
203
Issue
3
Pages
521-536
ISSN
  • 0022-0949 (ISSN-L)
  • 1477-9145
DOI
10.1242/jeb.203.3.521
OpenAlex
W1949751328
Cited by
143
References
0
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 5 · 2022: 7 · 2021: 11 · 2020: 3 · 2019: 4 · 2018: 11 · 2017: 5 · 2016: 5 · 2015: 11 · 2014: 5 · 2013: 7 · 2012: 5
FWCI
7.29
Type
journal article
Language
en
Open access
closed
Licence
www.biologists.com/user-licence-1-1/ (vor)
Locations
  • Journal of Experimental Biology (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Physical Sciences › Environmental Science › Ecology › Crustacean biology and ecology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
Keywords
molting, moult cycle, crustacean cardioactive peptide, Decapoda, Carcinus maenas, Orconectes limosus, hemolymph, neurohormones, pericardial organs, ventral nerve cord
MeSH terms
Animals, Behavior, Animal, Chromatography, High Pressure Liquid, Brachyura, Astacoidea, Hemolymph, Immunoenzyme Techniques, Neuropeptides, Molting

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CoChat. (2026). Citation check: Ecdysis of Decapod Crustaceans is Associated With a Dramatic Release of Crustacean Cardioactive Peptide into the Haemolymph. https://app.cochat.ai/papers/10.1242/jeb.203.3.521
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Phlippen, M. K., Webster, S. G., Chung, J. S., & Dircksen, H. (2000). Ecdysis of Decapod Crustaceans is Associated With a Dramatic Release of Crustacean Cardioactive Peptide into the Haemolymph. Journal of Experimental Biology. https://doi.org/10.1242/jeb.203.3.521