Cell
Volume 65, Issue 1, 5 April 1991, Pages 175-187
Journal home page for Cell

Article
A novel multigene family may encode odorant receptors: A molecular basis for odor recognition

https://doi.org/10.1016/0092-8674(91)90418-XGet rights and content

Abstract

The mammalian olfactory system can recognize and discriminate a large number of different odorant molecules. The detection of chemically distinct odorants presumably results from the association of odorous ligands with specific receptors on olfactory sensory neurons. To address the problem of olfactory perception at a molecular level, we have cloned and characterized 18 different members of an extremely large multigene family that encodes seven transmembrane domain proteins whose expression is restricted to the olfactory epithelium. The members of this novel gene family are likely to encode a diverse family of odorant receptors.

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