Abstract
An odorant-binding protein (OBP) was isolated from bovine olfactory and respiratory mucosa. We have produced polyclonal antisera to this protein and report its immunohistochemical localization to mucus-secreting glands of the olfactory and respiratory mucosa. Although OBP was originally isolated as a pyrazine binding protein, both rat and bovine OBP also bind the odorants [3H]methyldihydrojasmonate and 3,7-dimethyl-octan-1-ol as well as 2-isobutyl-3-[3H]methoxypyrazine. We detect substantial odorant-binding activity attributable to OBP in secreted rat nasal mucus and tears but not in saliva, suggesting a role for OBP in transporting or concentrating odorants.
MeSH Terms
Animals
Binding Sites
Carrier Proteins/immunology,isolation & purification,metabolism
Cattle
Chemoreceptor Cells/analysis,metabolism
Fatty Alcohols/metabolism
Immunosorbent Techniques
Molecular Weight
Nasal Mucosa/analysis
Pyrazines/metabolism
Rats
Receptors, Odorant
Smell/physiology
Tears/analysis
Chemicals
Carrier Proteins
Fatty Alcohols
Pyrazines
Receptors, Odorant
odorant-binding protein
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Pevsner J
Sklar P B
Snyder S H
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