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Purification and primary structure of two neuroactive peptides that cause bag cell afterdischarge and egg-laying in Aplysia.
Two neuroactive peptides, A and B, have been isolated from the atrial gland in the reproductive tract of Aplysia. Each of the two peptides is able to induce egg-laying behavior in recipient animals.Expand
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Purification and primary structure of the neuropeptide egg-laying hormone of Aplysia californica.
Egg-laying hormone (ELH), a neuropeptide synthesized by the bag cell neurons, induces egg laying and its correlated behavior in Aplysia californica. In the present study, ELH has been purified toExpand
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Regulatory mechanisms, brain activity and behavior during deep hibernation in the squirrel, Citellus beecheyi.
  • F. Strumwasser
  • Biology, Medicine
  • The American journal of physiology
  • 31 December 1958
During deep hibernation in the squirrel, Citellus beecheyi, focusing of attention, discrimination, attempts to localize sound stimuli in space, vocalization and complex motor coordinations are all ...
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The morphology and coupling of Aplysia bag cells within the abdominal ganglion and in cell culture.
The bag cells in the abdominal ganglion of Aplysia californica control egg-laying behavior by releasing a polypeptide (ELH) during an afterdischarge of synchronous action potentials. We have usedExpand
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An early sodium and a late calcium phase in the afterdischarge of peptide-secreting neurons ofAplysia
Following brief electrical stimulation of a pleuroabdominal connective nerve, the clusters of peptidergic bag cell neurons of Aplysia generate a long-lasting (or approximately 30 min) synchronousExpand
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An immunohistochemical study of the neuropeptidergic bag cells of Aplysia
The bag cell neurosecretory system of Aplysia californica synthesizes and releases a neuropeptide, the egg-laying hormone (ELH), which can induce egg-laying behavior. While ELH acts as a neurohormoneExpand
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A seasonal rhythm in the neural extract induction of behavioral egg-laying in Aplysia
Abstract 1. 1. An extract of the bag cell clusters (BCs), remainder of the parieto-visceral ganglion (PVG-BCs), or base of the pleuro-visceral connectives (CON) of Aplysia california producesExpand
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Neurotransmitter modulation, phosphodiesterase inhibitor effects, and cyclic AMP correlates of afterdischarge in peptidergic neurites.
The neuroendocrine bag cells in the abdominal ganglion of Aplysia generate a long-lasting synchronous afterdischarge upon brief stimulation of an afferent pathway. After this afterdischarge the cellsExpand
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Purification and characterization of a molluscan egg-specific NADase, a second-messenger enzyme.
An egg-specific NADase has been purified to homogeneity from the ovotestis of the opisthobranch mollusk Aplysia californica. Unlike other NADases, the Aplysia enzyme generates primarilyExpand
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Primary structure of a molluscan egg-specific NADase, a second-messenger enzyme.
An egg-specific NADase has been purified from the ovotestis of the marine mollusk Aplysia californica. The enzyme converts NAD to cyclic ADP-ribose (cADPR), which is a potent mobilizer of Ca2+. It isExpand
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