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GABAergic anxiolytic drug in water increases migration behaviour in salmon
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences. (Arcum)
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
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2016 (English)In: Nature Communications, ISSN 2041-1723, E-ISSN 2041-1723, Vol. 7, 13460Article in journal (Refereed) Published
Abstract [en]

Migration is an important life-history event in a wide range of taxa, yet many migrations are influenced by anthropogenic change. Although migration dynamics are extensively studied, the potential effects of environmental contaminants on migratory physiology are poorly understood. In this study we show that an anxiolytic drug in water can promote downward migratory behaviour of Atlantic salmon (Salmo salar) in both laboratory setting and in a natural river tributary. Exposing salmon smolt to a dilute concentration of a GABAA receptor agonist (oxazepam) increased migration intensity compared with untreated smolt. These results implicate that salmon migration may be affected by human-induced changes in water chemical properties, such as acidification and pharmaceutical residues in wastewater effluent, via alterations in the GABAA receptor function.

Place, publisher, year, edition, pages
Nature Publishing Group, 2016. Vol. 7, 13460
National Category
Environmental Sciences Pharmacology and Toxicology
Identifiers
URN: urn:nbn:se:umu:diva-130084DOI: 10.1038/ncomms13460ISI: 000389265400001OAI: oai:DiVA.org:umu-130084DiVA: diva2:1065001
Available from: 2017-01-13 Created: 2017-01-11 Last updated: 2017-01-16Bibliographically approved

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Hellström, GustavKlaminder, JonatanFinn, FiaJonsson, MicaelFick, JerkerBrodin, Tomas
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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More languages
Output format
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