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  Pathogenic bacteria enhance dispersal through alteration of Drosophila social communication

Keesey, I., Koerte, S., Khallaf, M. A., Retzke, T., Guillou, A., Grosse-Wilde, E., et al. (2017). Pathogenic bacteria enhance dispersal through alteration of Drosophila social communication. Nature Communications, 8: 265. doi:10.1038/s41467-017-00334-9.

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 Creators:
Keesey, Ian1, Author              
Koerte, Sarah1, 2, Author              
Khallaf, Mohammed A.2, 3, Author              
Retzke, Tom1, 2, Author              
Guillou, A., Author
Grosse-Wilde, Ewald1, Author              
Buchon, N., Author
Knaden, Markus4, 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              
3Department of Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society, ou_421894              
4Research 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: Pathogens and parasites can manipulate their hosts to optimize their own fitness. For instance, bacterial pathogens have been shown to affect their host plants’ volatile and non-volatile metabolites, which results in increased attraction of insect vectors to the plant, and, hence, to increased pathogen dispersal. Behavioral manipulation by parasites has also been shown for mice, snails and zebrafish as well as for insects. Here we show that infection by pathogenic bacteria alters the social communication system of Drosophila melanogaster. More specifically, infected flies and their frass emit dramatically increased amounts of fly odors, including the aggregation pheromones methyl laurate, methyl myristate, and methyl palmitate, attracting healthy flies, which in turn become infected and further enhance pathogen dispersal. Thus, olfactory cues for attraction and aggregation are vulnerable to pathogenic manipulation, and we show that the alteration of social pheromones can be beneficial to the microbe while detrimental to the insect host.

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 Dates: 2017-06-212017-08-16
 Publication Status: Published online
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 Identifiers: Other: HAN293
DOI: 10.1038/s41467-017-00334-9
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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: 8 Sequence Number: 265 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723