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Neurosci Lett. 1990 Apr 6;111(3):281-6.

Glutamate-like immunoreactivity in the retina of a marine teleost, the dragonet.

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1
Eye Research Laboratory, Catholic University of Leuven, Louvain, Belgium.

Abstract

The localisation of endogenous glutamate in the dragonet retina was investigated by light microscopic postembedding silver-enhanced immunogold labeling after incubation with an anti-glutamate antiserum. Rod and cone inner segments and synaptic terminals, as well as the inner plexiform layer, are moderately labeled. Bipolar cells and ganglion cell bodies show strong labeling. In the dorsal inner plexiform layer, the levels with square-patterned bipolar synaptic boutons can be identified by their prominent glutamate-immunoreactivity. These results support the idea that the majority of the neurons that constitute the direct, centripetal pathways through the retina use glutamate as their neurotransmitter.

PMID:
2336203
[Indexed for MEDLINE]
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