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  Functional dissociation in sweet taste receptor neurons between and within taste organs of Drosophila

Thoma, V., Knapek, S., Arai, S., Hartl, M., Kohsaka, H., Sirigrivatanawong, P., et al. (2016). Functional dissociation in sweet taste receptor neurons between and within taste organs of Drosophila. Nature Communications, 7: 10678. doi:10.1038/ncomms10678.

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 Creators:
Thoma, Vladimiros1, Author           
Knapek, Stephan1, Author           
Arai, Shogo, Author
Hartl, Marion1, Author           
Kohsaka, Hiroshi, Author
Sirigrivatanawong, Pudith, Author
Abe, Ayako, Author
Hashimoto, Koichi, Author
Tanimoto, Hiromu1, Author           
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1Max Planck Research Group: Behavioral Genetics / Tanimoto, MPI of Neurobiology, Max Planck Society, ou_1113555              

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Free keywords: TARGETED GENE-EXPRESSION; CELLULAR BASIS; MELANOGASTER; MEMORY; BRAIN; MAP; PERCEPTION; COURTSHIP; RESPONSES; BEHAVIOR
 Abstract: Finding food sources is essential for survival. Insects detect nutrients with external taste receptor neurons. Drosophila possesses multiple taste organs that are distributed throughout its body. However, the role of different taste organs in feeding remains poorly understood. By blocking subsets of sweet taste receptor neurons, we show that receptor neurons in the legs are required for immediate sugar choice. Furthermore, we identify two anatomically distinct classes of sweet taste receptor neurons in the leg. The axonal projections of one class terminate in the thoracic ganglia, whereas the other projects directly to the brain. These two classes are functionally distinct: the brain-projecting neurons are involved in feeding initiation, whereas the thoracic ganglia-projecting neurons play a role in sugar-dependent suppression of locomotion. Distinct receptor neurons for the same taste quality may coordinate early appetitive responses, taking advantage of the legs as the first appendages to contact food.

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Language(s): eng - English
 Dates: 2016-02-19
 Publication Status: Published in print
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: ISI: 000371021000030
DOI: 10.1038/ncomms10678
 Degree: -

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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 7 Sequence Number: 10678 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723