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Olfactory receptor neurons of the nasal epithelium project via the olfactory nerve (ON) to the glomeruli of the main olfactory bulb, where they form glutamatergic synapses with the apical dendrites of mitral and tufted cells, the output cells of the olfactory bulb, and with juxtaglomerular interneurons. The glomerular layer contains one of the largest(More)
B50/GAP43 is a neuron-specific phosphoprotein whose expression is associated with neural development and synaptic plasticity. Its postnatal ontogeny was investigated in the primary olfactory pathway of the rat using immunohistochemical methods. The unique ability of the olfactory neuroepithelium to generate new neurons from a population of precursor cells(More)
Peripheral afferent input regulates the expression of dopaminergic properties in a population of local circuit intrinsic neurons of the rodent olfactory bulb. Lesions of the olfactory receptor neurons produced in the mouse by intranasal irrigation with either ZnSO4 or Triton X-100 and in the rat by surgical deafferentation or axotomy are associated with a(More)
Intranasal irrigation of mice with 0.17 M ZnSO4 solution results in the immediate and total loss of the ability to find a buried food pellet. This anosmia persists for 6 weeks in at least 80% of the treated mice and for 4 months in half of the animals. This marked behavioral effect is matched by a long-term reduction of the levels of carnosine synthesis and(More)
Olfactory marker protein (OMP) genomic clones were isolated from a Charon 4A phage lambda rat genomic library. A 16.5-kilobase (kb) fragment of the rat genome containing the gene was isolated and characterized. Sequence analysis of the gene showed the absence of introns and the lack of CAAT and TATA boxes in the 5' flanking region. The transcription(More)
  • F L Margolis
  • 1972
Soluble extracts from several regions of the mouse brain manifested regionally specific protein band patterns on polyacrylamide gel electrophoresis. In particular, one protein band appeared to occur uniquely in the olfactory bulb extracts where it was a quantitatively significant constituent of the soluble protein extract. This protein was purified to(More)