Summary
The presence of enkephalin-like immunoreactivity in the pedal ganglion of the bivalve mollusc Mytilus edulis has been demonstrated. Enkephalin-like immunoreactivity is highly localized in those intraganglionic regions rich in dopamine-containing structures. In addition, FMRF-NH2-like (Phe-Met-Arg-Phe-NH2) immunoreactivity was found to occur in intraganglionic regions that are devoid of enkephalin-like immunoreactivity. The differential topographic distribution of these peptidergic immunoreactivities suggests involvement in separate functions. By contrast, the closeness of enkephalin-like immunoreactivity to dopamine histofluorescence supports previous data demonstrating biochemical and physiological links between these two systems.
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Work supported by NIH-MBRS Grant RR 08180 (GBS) and Deutsche Forschungsgemeinschaft (SFB 87/B2, RM).
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Stefano, G.B., Martin, R. Enkephalin-like immunoreactivity in the pedal ganglion of Mytilus edulis (Bivalvia) and its proximity to dopamine-containing structures. Cell Tissue Res. 230, 147–153 (1983). https://doi.org/10.1007/BF00216035
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DOI: https://doi.org/10.1007/BF00216035