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- Cerveny, D.Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences (SLU), Umea, Sweden; University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zatisi 728/II, Vodnany, Czech Republic (author)
Water temperature affects the biotransformation and accumulation of a psychoactive pharmaceutical and its metabolite in aquatic organisms
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- Elsevier,2021
- electronicrdacarrier
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- LIBRIS-ID:oai:DiVA.org:umu-184905
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184905URI
- https://doi.org/10.1016/j.envint.2021.106705DOI
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- Language:English
- Summary in:English
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- Pharmaceutically active compounds (PhACs) have been shown to accumulate in aquatic and riparian food-webs. Yet, our understanding of how temperature, a key environmental factor in nature, affects uptake, biotransformation, and the subsequent accumulation of PhACs in aquatic organisms is limited. In this study, we tested to what extent bioconcentration of an anxiolytic drugs (temazepam and oxazepam) is affected by two temperature regimes (10 and 20 °C) and how the temperature affects the temazepam biotransformation and subsequent accumulation of its metabolite (oxazepam) in aquatic organisms. We used European perch (Perca fluviatilis) and dragonfly larvae (Sympetrum sp.), which represent predator and prey species of high ecological relevance in food chains of boreal and temperate aquatic ecosystems. Experimental organisms were exposed to target pharmaceuticals at a range of concentrations (0.2–6 µg L−1) to study concentration dependent differences in bioconcentration and biotransformation. We found that the bioconcentration of temazepam in perch was significantly reduced at higher temperatures. Also, temperature had a strong effect on temazepam biotransformation in the fish, with the production and subsequent accumulation of its metabolite (oxazepam) being two-fold higher at 20 °C compared to 10 °C. In contrast, we found no temperature dependency for temazepam bioconcentration in dragonfly larvae and no detectable biotransformation of the parent compound that would result in measurable concentrations of oxazepam in this organism. Our results highlight that while organisms may share the same aquatic ecosystem, their exposure to PhACs may change differently across temperature gradients in the environment.
Subject headings and genre
- NATURVETENSKAP Geovetenskap och miljövetenskap Miljövetenskap hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Environmental Sciences hsv//eng
- Aquatic invertebrate
- Benzodiazepine
- Dragonfly
- Drug
- Fish
- Temazepam
Added entries (persons, corporate bodies, meetings, titles ...)
- Fick, JerkerUmeå universitet,Kemiska institutionen(Swepub:umu)jefi0001 (author)
- Klaminder, Jonatan,1976-Umeå universitet,Institutionen för ekologi, miljö och geovetenskap(Swepub:umu)jokl0001 (author)
- McCallum, E. S.Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences (SLU), Umea, Sweden (author)
- Bertram, M. G.Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences (SLU), Umea, Sweden (author)
- Castillo, N. A.Department of Earth and Environment, Institute of Environment, Florida International University, FL, Miami, United States (author)
- Brodin, T.Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences (SLU), Umea, Sweden (author)
- Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences (SLU), Umea, Sweden; University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zatisi 728/II, Vodnany, Czech RepublicKemiska institutionen (creator_code:org_t)
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- In:Environment International: Elsevier1550160-41201873-6750
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