Cited by 1,155Neurobiology and Insect Physiology ResearchOlfactory and Sensory Function StudiesInsect Pheromone Research and Control

A Novel Family of Divergent Seven-Transmembrane Proteins

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Clyne, Peter J., Warr, Coral G., Freeman, Marc R., Lessing, Derek, Kim, Junhyong, Carlson, John R.·1999·Neuron

Abstract

Although insects have proven to be valuable models for exploring the function, organization, and development of the olfactory system, the receptor molecules that bind odors have not been identified in any insect. We have developed a novel search algorithm, used it to search the Drosophila genomic sequence database, and identified a large multigene family encoding seven transmembrane domain proteins that are expressed in olfactory organs. We show that expression is restricted to subsets of olfactory receptor neurons (ORNs) for a number of these genes. Different members of the family initiate expression at different times during antennal development. Some of the genes are not expressed in a mutant of the Acj6 POU-domain transcription factor, a mutant in which a subset of ORNs show abnormal odorant specificities.

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Crossref · 10.1016/s0896-6273(00)81093-4

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55 of 55 references verified0 citation errors · 0 not checkable

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  • In Drosophila olfactory GPCRs, the most divergent regions are the first extracellular loop, the third transmembrane helix, as well as the first and second transmembrane domains.

    “whereas in Drosophila the most divergent regions are the first extracellular loop, the third transmembrane helix, as well as the first and second transmembrane domains (Clyne et al., 1999).”

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Authors
Clyne, P. J., Warr, C. G., Freeman, M. R., Lessing, D., Kim, J., & Carlson, J. R.
Affiliations
Yale University (US)
Corresponding author
Carlson, John R.
Venue
Neuron
Publisher
Elsevier BV
Published
1999-02
Volume
22
Issue
2
Pages
327-338
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2004026630
Cited by
1,155
References
55
Citations by year
2026: 25 · 2025: 34 · 2024: 53 · 2023: 28 · 2022: 45 · 2021: 49 · 2020: 65 · 2019: 43 · 2018: 42 · 2017: 30 · 2016: 52 · 2015: 42 · 2014: 52 · 2013: 33 · 2012: 26
FWCI
20.24
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Figshare (submittedVersion)
Funders
National Institute on Deafness and Other Communication Disorders (DC02174, R01DC002174)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect Pheromone Research and Control
Keywords
seven-transmembrane proteins, G protein-coupled receptors, insect olfaction, olfactory sensory neurons, Drosophila, gene family, antennal development, odorant specificity, olfactory system evolution
MeSH terms
Amino Acid Sequence, Animals, DNA-Binding Proteins, Drosophila, Multigene Family, Molecular Sequence Data, Nerve Tissue Proteins, Odorants, Olfactory Pathways, Sensory Receptor Cells, Transcription Factors, Gene Expression Regulation, Developmental, GTP-Binding Proteins, Drosophila Proteins, POU Domain Factors

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