Cited by 183Neurobiology and Insect Physiology ResearchOlfactory and Sensory Function StudiesInsect Pheromone Research and Control

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

Molecular vibration-sensing component in Drosophila melanogaster olfaction

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Franco, Maria Isabel, Turin, Luca, Mershin, Andreas, Skoulakis, Efthimios M. C.·2011·Proceedings of the National Academy of Sciences

Abstract

A common explanation of molecular recognition by the olfactory system posits that receptors recognize the structure or shape of the odorant molecule. We performed a rigorous test of shape recognition by replacing hydrogen with deuterium in odorants and asking whether Drosophila melanogaster can distinguish these identically shaped isotopes. We report that flies not only differentiate between isotopic odorants, but can be conditioned to selectively avoid the common or the deuterated isotope. Furthermore, flies trained to discriminate against the normal or deuterated isotopes of a compound, selectively avoid the corresponding isotope of a different odorant. Finally, flies trained to avoid a deuterated compound exhibit selective aversion to an unrelated molecule with a vibrational mode in the energy range of the carbon–deuterium stretch. These findings are inconsistent with a shape-only model for smell, and instead support the existence of a molecular vibration-sensing component to olfactory reception.

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Metadata

Authors
Franco, M. I., Turin, L., Mershin, A., & Skoulakis, E. M. C.
Affiliations
  • Alexander Fleming Biomedical Sciences Research Center (GR)
  • Massachusetts Institute of Technology (US)
Corresponding author
Skoulakis, Efthimios M. C.
Venue
Proceedings of the National Academy of Sciences
Published
2011-02-14
Volume
108
Issue
9
Pages
3797-3802
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2049498218
Cited by
183
References
43
Citations by year
2026: 8 · 2025: 5 · 2024: 5 · 2023: 6 · 2022: 7 · 2021: 7 · 2020: 12 · 2019: 7 · 2018: 11 · 2017: 19 · 2016: 19 · 2015: 18 · 2014: 16 · 2013: 10 · 2012: 17
FWCI
7.68
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Advanced Research Projects Agency
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
olfaction, Drosophila melanogaster, odorant recognition, deuteration, vibrational modes
MeSH terms
Animals, Conditioning, Classical, Cues, Deuterium, Discrimination, Psychological, Drosophila melanogaster, Sensation, Smell, Vibration

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