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Serotonergic pathways in the Drosophila larval enteric nervous system. 2014

Andreas Schoofs, and Sebastian Hückesfeld, and Sandya Surendran, and Michael J Pankratz
Department of Molecular Brain Physiology, LIMES Institute, University of Bonn, Carl Troll Str. 31, 53115 Bonn, Germany. Electronic address: schoofs@uni-bonn.de.

The enteric nervous system is critical for coordinating diverse feeding-related behaviors and metabolism. We have characterized a cluster of four serotonergic neurons in Drosophila larval brain: cell bodies are located in the subesophageal ganglion (SOG) whose neuronal processes project into the enteric nervous system. Electrophysiological, calcium imaging and behavioral analyses indicate a functional role of these neurons in modulating foregut motility. We suggest that the axonal projections of this serotonergic cluster may be part of a brain-gut neural pathway that is functionally analogous to the vertebrate vagus nerve.

UI MeSH Term Description Entries
D009434 Neural Pathways Neural tracts connecting one part of the nervous system with another. Neural Interconnections,Interconnection, Neural,Interconnections, Neural,Neural Interconnection,Neural Pathway,Pathway, Neural,Pathways, Neural
D004330 Drosophila A genus of small, two-winged flies containing approximately 900 described species. These organisms are the most extensively studied of all genera from the standpoint of genetics and cytology. Fruit Fly, Drosophila,Drosophila Fruit Flies,Drosophila Fruit Fly,Drosophilas,Flies, Drosophila Fruit,Fly, Drosophila Fruit,Fruit Flies, Drosophila
D005769 Gastrointestinal Motility The motor activity of the GASTROINTESTINAL TRACT. Intestinal Motility,Gastrointestinal Motilities,Intestinal Motilities,Motilities, Gastrointestinal,Motilities, Intestinal,Motility, Gastrointestinal,Motility, Intestinal
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012701 Serotonin A biochemical messenger and regulator, synthesized from the essential amino acid L-TRYPTOPHAN. In humans it is found primarily in the central nervous system, gastrointestinal tract, and blood platelets. Serotonin mediates several important physiological functions including neurotransmission, gastrointestinal motility, hemostasis, and cardiovascular integrity. Multiple receptor families (RECEPTORS, SEROTONIN) explain the broad physiological actions and distribution of this biochemical mediator. 5-HT,5-Hydroxytryptamine,3-(2-Aminoethyl)-1H-indol-5-ol,Enteramine,Hippophaine,Hydroxytryptamine,5 Hydroxytryptamine
D017615 Enteric Nervous System Two ganglionated neural plexuses in the gut wall which form one of the three major divisions of the autonomic nervous system. The enteric nervous system innervates the gastrointestinal tract, the pancreas, and the gallbladder. It contains sensory neurons, interneurons, and motor neurons. Thus the circuitry can autonomously sense the tension and the chemical environment in the gut and regulate blood vessel tone, motility, secretions, and fluid transport. The system is itself governed by the central nervous system and receives both parasympathetic and sympathetic innervation. (From Kandel, Schwartz, and Jessel, Principles of Neural Science, 3d ed, p766) Enteric Nervous Systems,Nervous System, Enteric,Nervous Systems, Enteric,System, Enteric Nervous,Systems, Enteric Nervous
D059326 Serotonergic Neurons Neurons whose primary neurotransmitter is SEROTONIN. Serotoninergic Neurons,Neuron, Serotonergic,Neuron, Serotoninergic,Neurons, Serotonergic,Neurons, Serotoninergic,Serotonergic Neuron,Serotoninergic Neuron
D066298 In Vitro Techniques Methods to study reactions or processes taking place in an artificial environment outside the living organism. In Vitro Test,In Vitro Testing,In Vitro Tests,In Vitro as Topic,In Vitro,In Vitro Technique,In Vitro Testings,Technique, In Vitro,Techniques, In Vitro,Test, In Vitro,Testing, In Vitro,Testings, In Vitro,Tests, In Vitro,Vitro Testing, In

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