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Wolbachia-infected Drosophila prefer cooler temperatures

View ORCID ProfilePieter A. Arnold, Samantha Levin, Aleksej L. Stevanovic, View ORCID ProfileKaryn N. Johnson
doi: https://doi.org/10.1101/352872
Pieter A. Arnold
School of Biological Sciences, The University of Queensland, Brisbane QLD 4072, Australia
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  • For correspondence: pieter.arnold@anu.edu.au
Samantha Levin
School of Biological Sciences, The University of Queensland, Brisbane QLD 4072, Australia
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Aleksej L. Stevanovic
School of Biological Sciences, The University of Queensland, Brisbane QLD 4072, Australia
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Karyn N. Johnson
School of Biological Sciences, The University of Queensland, Brisbane QLD 4072, Australia
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Abstract

Temperature plays a fundamental role in host-pathogen interactions. Wolbachia is an endosymbiont that infects about 40% of arthropod species, which can affect host behaviour and reproduction. The effect of Wolbachia on host thermoregulatory behaviour is largely unknown. Here, we used a thermal gradient to test whether Drosophila melanogaster infected with Wolbachia exhibit different temperature preferences (Tp) to uninfected flies. We found that Wolbachia-infected flies preferred a cooler mean temperature (Tp = 25.06±0.25°C) than uninfected flies (Tp = 25.78±0.24°C). Our finding suggests that Wolbachia-infected hosts might seek out cooler microclimates to reduce exposure to and lessen the consequences of high temperatures.

Abbreviations
Tb
body temparature
Tp
preferred temperature

Footnotes

  • ↵† Research School of Biology, The Australian National University, Acton ACT 2601, Australia

  • ↵‡ School of Biomedical Sciences, The University of Queensland, Brisbane QLD 4072, Australia

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted June 21, 2018.
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Wolbachia-infected Drosophila prefer cooler temperatures
Pieter A. Arnold, Samantha Levin, Aleksej L. Stevanovic, Karyn N. Johnson
bioRxiv 352872; doi: https://doi.org/10.1101/352872
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Wolbachia-infected Drosophila prefer cooler temperatures
Pieter A. Arnold, Samantha Levin, Aleksej L. Stevanovic, Karyn N. Johnson
bioRxiv 352872; doi: https://doi.org/10.1101/352872

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