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  Inverse resource allocation between vision and olfaction across the genus Drosophila

Keesey, I., Grabe, V., Gruber, L., Körte, S., Obiero, G. F., Bolton, G., et al. (2019). Inverse resource allocation between vision and olfaction across the genus Drosophila. Nature Communications, 10: 1162. doi:10.1038/s41467-019-09087-z.

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http://dx.doi.org/10.1038/s41467-019-09087-z (Publisher version)
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 Creators:
Keesey, Ian1, Author              
Grabe, Veit1, Author              
Gruber, Lydia1, Author              
Körte, Sarah1, 2, Author              
Obiero, George F.1, Author              
Bolton, Grant, Author
Khallaf, Mohammed A.1, 2, Author              
Kunert, Grit3, Author              
Lavista Llanos, Sofia4, Author              
Valenzano, Dario Riccardo, Author
Rybak, Jürgen1, Author              
Barrett, Bruce A., Author
Knaden, Markus5, Author              
Hansson, Bill S.1, Author              
Affiliations:
1Department of Evolutionary Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society, ou_421894              
2IMPRS on Ecological Interactions, MPI for Chemical Ecology, Max Planck Society, Jena, DE, ou_421900              
3Statistical Service, Dr. Grit Kunert, MPI for Chemical Ecology, Max Planck Society, ou_3171479              
4Research Group Dr. M. Stensmyr, Molecular Biology of Olfaction, Department of Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society, ou_421915              
5Research 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: Divergent populations across different environments are exposed to critical sensory information related to locating a host or mate, as well as avoiding predators and pathogens. These sensory signals generate evolutionary changes in neuroanatomy and behavior; however, few studies have investigated patterns of neural architecture that occur between sensory systems, or that occur within large groups of closely-related organisms. Here we examine 62 species within the genus Drosophila and describe an inverse resource allocation between vision and olfaction, which we consistently observe at the periphery, within the brain, as well as during larval development. This sensory variation was noted across the entire genus and appears to represent repeated, independent evolutionary events, where one sensory modality is consistently selected for at the expense of the other. Moreover, we provide evidence of a developmental genetic constraint through the sharing of a single larval structure, the eyeantennal imaginal disc. In addition, we examine the ecological implications of visual or olfactory bias, including the potential impact on host-navigation and courtship.

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 Dates: 2019-02-142019-03-11
 Publication Status: Published online
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 Table of Contents: -
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 Identifiers: Other: HAN325
DOI: 10.1038/s41467-019-09087-z
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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: 10 Sequence Number: 1162 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723