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- Title
Application of odor-stimulated labeling methods of olfactory receptor neurons of sockeye salmon using agmatine.
- Authors
Iwase, H.; Matsumoto, S.; Shoji, T.; Ueda, H.
- Abstract
Olfactory receptor neurons (ORNs) in the olfactory epithelium (OE) and olfactory projection areas in the brain of sockeye salmon (Oncorhynchus nerka) were investigated by a newly developed odor-stimulated labeling methods using agmatine (AGB). The olfactory receptor cells (ORCs) in OE were immunocytochemically labeled by stimulation with AGB or AGB plus L-alanine. Immuno-electron microscopy demonstrated that the labeled ORCs were predominately microvillus ORCs. Moreover, AGB immunoreactivities were observed in mitral cells of the olfactory bulb and neurons of the telencephalon. These results reveal that AGB can be used as an activity-dependent label for ORNs in salmonid fishes.
- Subjects
SOCKEYE salmon; OLFACTORY nerve; NEURONS; SALMON; NERVOUS system; FISH physiology
- Publication
Fish Physiology & Biochemistry, 2003, Vol 28, Issue 1-4, p267
- ISSN
0920-1742
- Publication type
Article
- DOI
10.1023/B:FISH.0000030562.01008.e0