Abstract
GLWamides are a recently described, novel family of neuropeptides in Cnidaria. Antibodies specific for the GLWamide terminus have been raised and used to evaluate the occurrence and localisation of immunopositive material in various Cnidaria in order to determine whether GLWamides are present and to obtain a first impression of the possible regulatory role of these neuropeptides. GLWamide immunoreactivity has been found in all species tested and is not confined to distinct life stages but is present during most of the life cycle of the Cnidaria. Additionally, GLWamides are expressed by different nerve cells at different life stages. GLWamide-immunoreactive cells constitute a subset of the neural equipment. Overall our data suggest that GLWamides generally occur in the nervous system of Cnidaria and that these peptides are multifunctional. Putative functions other than the control of development include the regulation of nematocyst discharge, muscle contraction and the regulation of gastric function.
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Received: 29 December 1997 / Accepted: 6 May 1998
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Schmich, J., Rudolf, R., Trepel, S. et al. Immunohistochemical studies of GLWamides in Cnidaria. Cell Tissue Res 294, 169–177 (1998). https://doi.org/10.1007/s004410051167
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DOI: https://doi.org/10.1007/s004410051167