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      Cellular energy allocation in the Arctic sea ice amphipod Gammarus wilkitzkii exposed to the water soluble fractions of oil.

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          Abstract

          Increasing offshore oil and gas activities in the European Arctic has raised concerns of the potential anthropogenic impact of oil-related compounds on the polar marine ecosystem. We measured cellular energy allocation (CEA) in the sea ice amphipod Gammarus wilkitzkii after exposure for one month to the water soluble fraction (WSF) of oil. The CEA biomarker measures the energy budget of organisms by biochemically assessing changes in carbohydrates, protein and lipid content as well as the electron transport system activity. A significantly higher protein content was observed in the medium dose compared to controls, while the total energy budget was not affected in G. wilkitzkii. This indicates that parts of the energy budget of G. wilkitzkii, which is a key species in the Arctic ecosystem, is affected by a WSF of oil.

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          Author and article information

          Journal
          Mar. Environ. Res.
          Marine environmental research
          Elsevier BV
          0141-1136
          0141-1136
          Jul 2008
          : 66
          : 1
          Affiliations
          [1 ] Akvaplan-niva, Polar Environmental Center, Tromsø, Norway.
          Article
          S0141-1136(08)00091-3
          10.1016/j.marenvres.2008.02.063
          18381222
          251312f0-a32b-4f11-85df-2eba597b93f0
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