Article (Scientific journals)
A Family of non-GPCR Chemosensors Defines an Alternative Logic for Mammalian Olfaction.
Greer, Paul L; Bear, Daniel M; Lassance, Jean-Marc et al.
2016In Cell, 165 (7), p. 1734-1748
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Keywords :
Membrane Proteins; Nerve Tissue Proteins; Animals; Membrane Proteins/chemistry/genetics/metabolism; Mice; Nerve Tissue Proteins/chemistry/genetics/metabolism; Odorants; Olfactory Receptor Neurons/metabolism; Phylogeny; Smell
Abstract :
[en] Odor perception in mammals is mediated by parallel sensory pathways that convey distinct information about the olfactory world. Multiple olfactory subsystems express characteristic seven-transmembrane G-protein-coupled receptors (GPCRs) in a one-receptor-per-neuron pattern that facilitates odor discrimination. Sensory neurons of the "necklace" subsystem are nestled within the recesses of the olfactory epithelium and detect diverse odorants; however, they do not express known GPCR odor receptors. Here, we report that members of the four-pass transmembrane MS4A protein family are chemosensors expressed within necklace sensory neurons. These receptors localize to sensory endings and confer responses to ethologically relevant ligands, including pheromones and fatty acids, in vitro and in vivo. Individual necklace neurons co-express many MS4A proteins and are activated by multiple MS4A ligands; this pooling of information suggests that the necklace is organized more like subsystems for taste than for smell. The MS4As therefore define a distinct mechanism and functional logic for mammalian olfaction.
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Greer, Paul L;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Bear, Daniel M;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Lassance, Jean-Marc  ;  Université de Liège - ULiège > Département de gestion vétérinaire des Ressources Animales (DRA) > Génomique animale ; Departments of Molecular and Cellular Biology and Organismic and
Bloom, Maria Lissitsyna;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Tsukahara, Tatsuya;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Pashkovski, Stan L;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Masuda, Francis Kei;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Nowlan, Alexandra C;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Kirchner, Rory;  Department of Biostatistics, Harvard T.H. Chan School of Public Health,
Hoekstra, Hopi E;  Departments of Molecular and Cellular Biology and Organismic and
Datta, Sandeep Robert;  Department of Neurobiology, Harvard Medical School, Boston, MA 02115,
Language :
English
Title :
A Family of non-GPCR Chemosensors Defines an Alternative Logic for Mammalian Olfaction.
Publication date :
16 June 2016
Journal title :
Cell
ISSN :
0092-8674
eISSN :
1097-4172
Publisher :
University of California Press, United States
Volume :
165
Issue :
7
Pages :
1734-1748
Peer reviewed :
Peer Reviewed verified by ORBi
Funding number :
DP2 OD007109/OD/NIH HHS/United States; F31 DA036922/DA/NIDA NIH HHS/United States; R01 DC011558/DC/NIDCD NIH HHS/United States
Commentary :
Copyright (c) 2016 Elsevier Inc. All rights reserved.
Available on ORBi :
since 30 March 2022

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