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Central pattern generator for escape swimming in the notaspid sea slug Pleurobranchaea californica.
Pleurobranchaea's swim resembles that of the nudibranch Tritonia; the CPGs are similar in many details, suggesting that the behavior and network are primitive characters derived from a common pleurobr branchid ancestor.
Neuronal elements that mediate escape swimming and suppress feeding behavior in the predatory sea slug Pleurobranchaea.
The A1 neurons are elements of an escape swimming pattern generator, and are probably homologous to the similar C2 neurons of the nudibranch Tritonia diomedea, and one of their functions outside of generating the swim pattern may be the suppression of feeding behavior in response to noxious stimulation.
Interfering with Nitric Oxide Measurements
- Xin Zhang, Won-Suk Kim, +4 authors J. Sweedler
- Medicine, ChemistryThe Journal of Biological Chemistry
- 13 December 2002
The reaction products of DAF-2 with DHA and AA have been characterized using capillary electrophoresis with laser-induced fluorescence detection and electrospray mass spectrometry, indicating the importance of understanding this chemistry.
Evolution and function in serotonergic systems.
- R. Gillette
- Biology, MedicineIntegrative and comparative biology
- 25 July 2006
Connection of nutrient storage depots to CNS circuitry mediating appetite may supply critical substrate for evolving complexity in brain and behavior.
Fast and slow activation kinetics of voltage-gated sodium channels in molluscan neurons.
Voltage-dependent rate constants underlying activation of the slow type of Na channel found in gastropod neurons appear to be much more voltage dependent than are the equivalent rates in the universally fast type of channel that predominates in cephalopods.
Circadian rhythm of firing rate recorded from single cells in the rat suprachiasmatic brain slice
Brain slices, containing the suprachiasmatic nuclei, of rats were removed at various times of the fay and the firing rates of single cells were recorded and found to maintain a circadian rhythm in temporal accord with the light/dark cycle of the donor animal.
Nitric Oxide Synthase Activity in the Molluscan CNS
- L. Moroz, D. Chen, M. Gillette, R. Gillette
- Biology, MedicineJournal of neurochemistry
- 1 February 1996
The localization of relatively high NOS activity in neuron somata in the CNS of Pleurobranchaea is markedly different from the other opisthobranchs, all of which are grazers, potentially related to the animal's opportunistic predatory lifestyle.
Escape swim network interneurons have diverse roles in behavioral switching and putative arousal in Pleurobranchaea.
Different roles are found for the different swim interneurons in acute suppression of feeding during the swim and in a longer-term stimulation of excitability in the feeding network, delineating the nature of the putative serotonergic arousal system of gastropods.
Serotonin‐immunoreactivity in peripheral tissues of the opisthobranch molluscs Pleurobranchaea californica and Tritonia diomedea
- L. Moroz, L. Sudlow, J. Jing, R. Gillette
- Biology, MedicineThe Journal of comparative neurology
- 2 June 1997
The distribution of serotonin (5‐HT)‐immunoreactive elements in peripheral organs of the sea‐slugs Pleurobranchaea californica and Tritonia diomedea was studied, suggesting a role for 5‐HT in sensory signaling.
Control of feeding motor output by paracerebral neurons in brain of Pleurobranchaea californica.
A population of interneurons that control feeding behavior in the mollusk Pleurobranchaea has been analyzed by dye injection and intracellular stimulation/recording in whole animals and reduced preparations and shows properties expected of behaviorally specific "command" neurons for feeding.