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Identification of orcokinins in single neurons in the stomatogastric nervous system of the crayfish, Cherax destructor by Petra Skiebe; Mathias Dreger; Maurice Meseke; Jan Felix Evers; Ferdinand Hucho is a Neuroscience article available to read on EtoBox.

What is Identification of orcokinins in single neurons in the stomatogastric nervous system of the crayfish, Cherax destructor about?

## Abstract The orcokinins are a highly conserved family of crustacean peptides that enhance hindgut contractions in the crayfish __Orconectes limosus__ (Stangier et al. [1992] Peptides 13:859–864). By combining immunocytochemical and mass spectrometrical analysis of the stomatogastric nervous system (STNS) in the crayfish __Cherax destructor__, we show that multiple orcokinins are synthesized in single neurons. Immunocytochemistry demonstrated orcokinin‐like immunoreactivity in all four ganglia of the STNS and in the pericardial organs, a major neurohaemal organ. Identified neurons in the STNS were stained, including a pair of modulatory interneurons (inferior ventricular nerve neuron, IVN), a neuron with its cell body in the stomatogastric ganglion that innervates cardiac muscle c6 via the anterior median nerves (AM‐c6), and a sensory neuron (anterior gastric receptor neuron). Five orcokinin‐related peptides were identified by matrix‐assisted laser desorption ionization time of flight mass spectrometry (MALDI‐TOF MS) post source decay fragmentation in samples of either the stomatogastric ganglion or the pericardial organs. Four of these peptides are identical to peptides derived

Who reads Identification of orcokinins in single neurons in the stomatogastric nervous system of the crayfish, Cherax destructor?

Author

Petra Skiebe; Mathias Dreger; Maurice Meseke; Jan Felix Evers; Ferdinand Hucho

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley; Research Square (ISSN 0021-9967)

Published

2002

Language

EN

Field

Neuroscience (Life Sciences)