The distribution of glutamate-like immunoreactivity in the thoracic and abdominal ganglia of the locust (schistocerca-gregaria)

Watson, Alan and Seymour-Laurent, K.J. 1993. The distribution of glutamate-like immunoreactivity in the thoracic and abdominal ganglia of the locust (schistocerca-gregaria). Cell and Tissue Research 273 (3) , pp. 557-570. 10.1007/BF00333709

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Abstract

The distribution of glutamate-like immunore-activity in the thoracic and abdominal ganglia of the locust was studied using two polyclonal antibodies against glutamate. Because glutamate is a precursor of the inhibitory transmitter γ-amino butyric acid (GABA) the distribution of immunostaining by antibodies against glutamate and GABA was closely compared in adjacent serial sections. When the antibodies were used at optimal dilutions there was no overlap in the distribution of immunostaining for glutamate and GABA. In the pro- and mesothoracic ganglia 360–400 somata are immunoreactive for glutamate, while in the metathoracic ganglion about 600 somata were stained. These range in diameter from 10–100 μm in diameter and include the majority of the large somata in these ganglia. Bundles of primary neurites emerging from these large somata can be traced through the neuropile. Most of the bundles correspond to the known paths of motor neurone primary neurites. In addition the ‘T’-tract is also immunolabelled. The free abdominal ganglia each contain 80–100 somata ranging in size from 10–45 μm while the terminal ganglion contains about 250 somata, 10–60 μm in diameter.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Publisher:	Springer Verlag (Germany)
ISSN:	0302-766X
Date of First Compliant Deposit:	31 July 2018
Date of Acceptance:	20 February 1993
Last Modified:	02 May 2019 11:27
URI:	https://orca.cardiff.ac.uk/id/eprint/113759

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