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  The olfactory logic behind fruit odor preferences in larval and adult Drosophila

Dweck, H., Ebrahim, S. A. M., Retzke, T., Grabe, V., Weißflog, J., Svatoš, A., et al. (2018). The olfactory logic behind fruit odor preferences in larval and adult Drosophila. Cell Reports, 23(8), 2524-2531. doi:10.1016/j.celrep.2018.04.085.

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http://dx.doi.org/10.1016/j.celrep.2018.04.085 (Publisher version)
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 Creators:
Dweck, Hany1, Author              
Ebrahim, Shimaa A. M.1, Author              
Retzke, Tom1, Author              
Grabe, Veit1, Author              
Weißflog, Jerrit2, Author              
Svatoš, Aleš2, Author              
Hansson, Bill S.1, Author              
Knaden, Markus3, Author              
Affiliations:
1Department of Evolutionary Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society, ou_421894              
2Research Group Mass Spectrometry, MPI for Chemical Ecology, Max Planck Society, ou_421899              
3Research Group Dr. M. Knaden, Insect Behavior, Department of Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society, ou_421913              

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 Abstract: Despite the comprehensive knowledge on odor coding, our understanding of the relationship between sensory input and behavioral output in Drosophila remains weak. Here, we measure the behavioral responses generated by larval and adult flies in response to 34 fruit odors and find that larval preference for fruit odors differs from that of adult flies. Next, we provide a functional analysis of the full repertoire of the peripheral olfactory system using the same comprehensive stimulus spectrum. We find that 90% and 53% of larval and adult olfactory receptors tested here, respectively, are involved in evaluating these fruit odors. Finally, we find that the total amount of olfactory neuronal activity correlates strongly positively with behavioral output in larvae and correlates weakly negatively in adult flies. Our results suggest that larval and adult flies have evolved different mechanisms for detection and computation of fruit odors, mechanisms likely mirroring the different lifestyles of both developmental stages.

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 Dates: 2018-04-192018-05-22
 Publication Status: Published online
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 Identifiers: Other: HAN309
DOI: 10.1016/j.celrep.2018.04.085
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Title: Cell Reports
Source Genre: Journal
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Publ. Info: Maryland Heights, MO : Cell Press
Pages: - Volume / Issue: 23 (8) Sequence Number: - Start / End Page: 2524 - 2531 Identifier: ISSN: 2211-1247
CoNE: https://pure.mpg.de/cone/journals/resource/2211-1247