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Select Drosophila glomeruli mediate innate olfactory attraction and aversion

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  • Julia L. Semmelhack

    (Neurobiology Section, University of California, San Diego, La Jolla, California 92093, USA)

  • Jing W. Wang

    (Neurobiology Section, University of California, San Diego, La Jolla, California 92093, USA)

Abstract

Fruitflies show robust attraction to food odours, which usually excite several glomeruli. To understand how the representation of such odours leads to behaviour, we used genetic tools to dissect the contribution of each activated glomerulus. Apple cider vinegar triggers robust innate attraction at a relatively low concentration, which activates six glomeruli. By silencing individual glomeruli, here we show that the absence of activity in two glomeruli, DM1 and VA2, markedly reduces attraction. Conversely, when each of these two glomeruli was selectively activated, flies showed as robust an attraction to vinegar as wild-type flies. Notably, a higher concentration of vinegar excites an additional glomerulus and is less attractive to flies. We show that activation of the extra glomerulus is necessary and sufficient to mediate the behavioural switch. Together, these results indicate that individual glomeruli, rather than the entire pattern of active glomeruli, mediate innate behavioural output.

Suggested Citation

  • Julia L. Semmelhack & Jing W. Wang, 2009. "Select Drosophila glomeruli mediate innate olfactory attraction and aversion," Nature, Nature, vol. 459(7244), pages 218-223, May.
    • Handle: RePEc:nat:nature:v:459:y:2009:i:7244:d:10.1038_nature07983
    DOI: 10.1038/nature07983
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    Cited by:

    1. Liangyu Tao & Samuel P. Wechsler & Vikas Bhandawat, 2023. "Sensorimotor transformation underlying odor-modulated locomotion in walking Drosophila," Nature Communications, Nature, vol. 14(1), pages 1-22, December.
    2. Rishabh Chandak & Baranidharan Raman, 2023. "Neural manifolds for odor-driven innate and acquired appetitive preferences," Nature Communications, Nature, vol. 14(1), pages 1-21, December.
    3. Songling Li & Bingxue Li & Li Gao & Jingwen Wang & Zhiqiang Yan, 2022. "Humidity response in Drosophila olfactory sensory neurons requires the mechanosensitive channel TMEM63," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    4. Tyler R. Sizemore & Julius Jonaitis & Andrew M. Dacks, 2023. "Heterogeneous receptor expression underlies non-uniform peptidergic modulation of olfaction in Drosophila," Nature Communications, Nature, vol. 14(1), pages 1-22, December.
    5. Martin F Strube-Bloss & Austin Brown & Johannes Spaethe & Thomas Schmitt & Wolfgang Rössler, 2015. "Extracting the Behaviorally Relevant Stimulus: Unique Neural Representation of Farnesol, a Component of the Recruitment Pheromone of Bombus terrestris," PLOS ONE, Public Library of Science, vol. 10(9), pages 1-16, September.

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