Synaptic connections between GABA-immunoreactive neurons and uniglomerular projection neurons within the antennal lobe of the cockroach, Periplaneta americana

Synapse
P DistlerJ Boeckh

Abstract

Synapses within deutocerebral glomeruli between GABA-immunoreactive, putatively inhibitory local interneurons and uniglomerular projection (output) neurons were demonstrated by means of a combination of GABA-immunogold labeling and intracellular HRP injection. The following connections were identified. 1) GABA-immunoreactive (GABAir) neurons form output synapses in a dyadic fashion onto a uniglomerular projection neuron and, in addition, a second GABAir neuron. A uniglomerular projection neuron in turn forms dyadic output synapses onto two GABAir neurons. Several examples of reciprocal connections have been identified between, first, GABAir neurons and uniglomerular projection neurons, and, second, GABAir neurons themselves. 2) GABAir neurons are serially connected with uniglomerular projection neurons via interposed GABAir processes. In some cases, also the first GABAir process of such a polysynaptic connection formed an output synapse onto the projection neuron. Such serial connections may form the structural basis for both, the feedforward inhibition as well as the feedforward disinhibition of uniglomerular projection neurons by GABAergic neurons. The reciprocal contacts may serve as control devices that modulate the output ...Continue Reading

References

Dec 22, 1990·The Journal of Comparative Neurology·A H Watson, G Laurent
Mar 1, 1990·The Australian and New Zealand Journal of Psychiatry·A ShoresM R Fearnside
Jan 1, 1990·Physiological Reviews·H Mustaparta
Jan 1, 1989·Annual Review of Entomology·U HombergJ G Hildebrand
Aug 1, 1989·Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology·R KanzakiJ G Hildebrand
Jun 1, 1987·Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology·B WaldropJ G Hildebrand
Jan 1, 1986·Cell and Tissue Research·S G HoskinsJ G Hildebrand
Apr 1, 1995·Progress in Neurobiology·K Mori, Y Yoshihara
Oct 1, 1993·Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology·T A ChristensenJ G Hildebrand
Feb 15, 1993·Microscopy Research and Technique·J Boeckh, L P Tolbert
Feb 1, 1993·Microscopy Research and Technique·J S Kauer, A R Cinelli
Jan 1, 1996·Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology·J G Hildebrand
May 1, 1996·Journal of Neurobiology·T A ChristensenJ G Hildebrand
May 1, 1996·Journal of Neurobiology·M T Shipley, M Ennis
Jan 1, 1991·Tissue & Cell·J Gascuel, C Masson

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Citations

Nov 16, 2011·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Anneke Meyer, C Giovanni Galizia
Sep 30, 1998·Current Opinion in Neurobiology·P W SorensenN E Stacey
Nov 30, 2006·Pain Practice : the Official Journal of World Institute of Pain·L LouC L King
Sep 6, 2013·Proceedings of the National Academy of Sciences of the United States of America·Masashi TabuchiRyohei Kanzaki
Nov 13, 2009·Journal of Neurophysiology·Erika D Eggers, Peter D Lukasiewicz
Nov 22, 2012·The European Journal of Neuroscience·Fernando F LocatelliBrian H Smith
Aug 23, 2011·The Journal of Comparative Neurology·Shigehiro Namiki, Ryohei Kanzaki
Jan 19, 2016·The Journal of Comparative Neurology·Jürgen RybakBill S Hansson
Aug 31, 2016·The Journal of Comparative Neurology·Naomi TakahashiHiroshi Nishino
Apr 5, 2008·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Shigehiro NamikiRyohei Kanzaki
Jan 25, 2021·Cell and Tissue Research·Debora Fuscà, Peter Kloppenburg

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