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Blar i Nord Open Research Archive på forfatter "Olsvik, Pål Asgeir"

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Viser treff 1-19 av 19

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    • Associations Between Behavioral Effects of Bisphenol A and DNA Methylation in Zebrafish Embryos 

      Olsvik, Pål Asgeir; Whatmore, Paul; Penglase, Sam J.; Skjærven, Kaja Helvik; d'Auriac, Marc Anglès; Ellingsen, Ståle (Journal article; Peer reviewed, 2019)
      Endocrine-disrupting contaminants have been associated with aberrant changes in epigenetic pathways in animals. In this study, zebrafish embryos were exposed bisphenol A (BPA) to search for associations between behavior ...
    • Bioaccumulation of mercury and transcriptional responses in tusk (Brosme brosme), a deep-water fish from a Norwegian fjord 

      Olsvik, Pål Asgeir; Azad, Atabak Mahjour; Yadetie, Fekadu (Peer reviewed; Journal article, 2021)
    • Chlorpyrifos-induced dysfunction of lipid metabolism is not restored by supplementation of polyunsaturated fatty acids EPA and ARA in Atlantic salmon liver cells 

      Olsvik, Pål Asgeir; Hammer, SK; Sanden, Monica; Søfteland, Liv Ingeborg Rosvoll (Journal article; Peer reviewed, 2019)
      Exposure to contaminants can lead to accumulation of lipids in the liver. This study aimed to examine whether eicosapentaenoic acid (EPA) and arachidonic acid (ARA) supplementation can protect fish cells against the negative ...
    • Comparing novel shotgun DNA sequencing and state-of-the-art proteomics approaches for authentication of fish species in mixed samples 

      Varunjikar, Madhushri S.; Moreno-Ibarguen, Carlos; Andrade-Martinez, Juan S.; Tung, Hui-Shan; Belghit, Ikram; Palmblad, Magnus; Olsvik, Pål Asgeir; Reyes, Alejandro; Rasinger, Josef; Lie, Kai Kristoffer (Peer reviewed; Journal article, 2021)
    • DNA damage and health effects in juvenile haddock (Melanogrammus aeglefinus) exposed to PAHs associated with oil-polluted sediment or produced water 

      Meier, Sonnich; Karlsen, Ørjan; Le Goff, Jérémie; Sørensen, Lisbet; Sørhus, Elin; Pampanin, Daniela Maria; Donald, Carey E.; Fjelldal, Per Gunnar; Dunaevskaya, Evgenia; Romano, Marta; Caliani, Ilaria; Casini, Silvia; Bogevik, Andre S.; Olsvik, Pål Asgeir; Myers, Mark; Grøsvik, Bjørn Einar (Peer reviewed; Journal article, 2020)
      The research objective was to study the presence of DNA damages in haddock exposed to petrogenic or pyrogenic polyaromatic hydrocarbons (PAHs) from different sources: 1) extracts of oil produced water (PW), dominated by ...
    • Effects of agricultural pesticides in aquafeeds on wild fish feeding on leftover pellets near fish farms 

      Olsvik, Pål Asgeir; Larsen, Anett Kristin; Berntssen, Marc; Goksøyr, Anders; Karlsen, Odd Andre; Yadetie, Fekadu; Sanden, Monica; Kristensen, Torstein (Journal article; Peer reviewed, 2019)
    • Effects of marine mine tailing exposure on the development, growth, and lipid accumulation in Calanus finmarchicus 

      Svendheim, Linn Hjelmeland; Jager, Tjalling; Olsvik, Pål Asgeir; Øverjordet, Ida Beathe; Ciesielski, Tomasz Maciej; Nordtug, Trond; Kristensen, Torstein; Hansen, Bjørn Henrik; Kvæstad, Bjarne; Altin, Dag; Farkas, Julia (Peer reviewed; Journal article, 2021)
      Marine tailing disposal (MTD) is sometimes practiced as an alternative to traditional mine tailing deposition on land. Environmental challenges connected to MTD include spreading of fine particulate matter in the water ...
    • Effects of mine tailing exposure on early life stages of cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) 

      Farkas, Julia; Nordtug, Trond; Svendheim, Linn Hjelmeland; Amico, Elettra D.; Davies, Emlyn John; Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Kristensen, Torstein; Olsvik, Pål Asgeir; Hansen, Bjørn Henrik (Peer reviewed; Journal article, 2021)
    • Effects of mining chemicals on fish: exposure to tailings containing Lilaflot D817M induces CYP1A transcription in Atlantic salmon smolt 

      Olsvik, Pål Asgeir; Urke, Henning Andre; Nilsen, Tom Ole; Ulvund, John Birger; Kristensen, Torstein (Journal article; Peer reviewed, 2015)
    • Exposure to low environmental copper concentrations does not affect survival and development in Atlantic cod (Gadus morhua) early life stages 

      Farkas, Julia; Svendheim, Linn Hjelmeland; Jager, Tjalling; Ciesielski, Tomasz Maciej; Nordtug, Trond; Kvæstad, Bjarne; Hansen, Bjørn Henrik; Kristensen, Torstein; Altin, Dag; Olsvik, Pål Asgeir (Peer reviewed; Journal article, 2021)
      In this study we investigated potential impacts of Cu exposure at low, environmentally relevant, concentrations on early live stages of Atlantic cod (Gadus morhua). Cod embryos and larvae were exposed to 0.5 μg/L (low), ...
    • Fluorescent Microplastic Uptake by Immune Cells of Atlantic Salmon (Salmo salar L.) 

      Abihssira Garcia, Isabel Sofia; Park, Youngjin; Kiron, Viswanath; Olsvik, Pål Asgeir (Peer reviewed; Journal article, 2020)
      The ubiquitous presence of microplastics and their marine ecotoxicity are major public concerns. Microplastics are ingested accidentally by the marine fauna or are taken up indirectly through the food chain. These particles ...
    • Imaging flow cytometry protocols for examining phagocytosis of microplastics and bioparticles by immune cells of aquatic animals 

      Park, Youngjin; Abihssira-García, Isabel S.; Thalmann, Sebastian; Wiegertjes, Geert; Barreda, Daniel; Olsvik, Pål Asgeir; Kiron, Viswanath (Peer reviewed; Journal article, 2020)
      Imaging flow cytometry (IFC) is a powerful tool which combines flow cytometry with digital microscopy to generate quantitative high-throughput imaging data. Despite various advantages of IFC over standard flow cytometry, ...
    • Management of hypercholesterolemia through dietary ß-glucans–insights from a zebrafish model 

      Gora, Adnan Hussein; Rehman, Saima; Kiron, Viswanath; Dias, Jorge; Fernandes, Jorge Manuel de Oliveira; Olsvik, Pål Asgeir; Siriyappagouder, Prabhugouda; Vatsos, Ioannis; Schmid-Staiger, Ulrike; Konstantin, Frick; Miguel, Cardoso (Peer reviewed; Journal article, 2022)
    • Mixture toxicity of chlorpyrifos-methyl, pirimiphos-methyl, and nonylphenol in Atlantic salmon (Salmo salar) hepatocytes 

      Olsvik, Pål Asgeir; Søfteland, Liv Ingeborg Rosvoll (Peer reviewed; Journal article, 2020)
      Pesticide formulations typically contain adjuvants added to enhance the performance of the active ingredient. Adjuvants may modify the bioavailability and toxicity of pesticides. In this study, the aim was to examine to ...
    • Ontogeny-Specific Skeletal Deformities in Atlantic Haddock Caused by Larval Oil Exposure 

      Olsvik, Pål Asgeir; Sørhus, Elin; Meier, Sonnich; Torvanger, Ingrid; Thorbjørnsen, Maja; Thorsen, Anders; Sørensen, Lisbet; Fjelldal, Per Gunnar; Karlsen, Ørjan; Guimaraes, Igo G.; Lie, Kai Kristoffer (Peer reviewed; Journal article, 2021)
    • Polycyclic aromatic hydrocarbons modulate the activity of Atlantic cod (Gadus morhua) vitamin D receptor paralogs in vitro 

      Goksøyr, Siri Øfsthus; Goldstone, Jed; Lille-Langøy, Roger; Lock, Erik Jan Robert; Olsvik, Pål Asgeir; Goksøyr, Anders; Karlsen, Odd André (Peer reviewed; Journal article, 2021)
      Vitamin D receptor (VDR) mediates the biological function of the steroid hormone calcitriol, which is the metabolically active version of vitamin D. Calcitriol is important for a wide array of physiological functions, ...
    • Recommendations for dietary level of micro-minerals and vitamin D3 to Atlantic salmon (Salmo salar) parr and post-smolt when fed low fish meal diets 

      Prabhu, P. Antony Jesu; Lock, Erik-Jan; Hemre, Gro-Ingunn; Hamre, Kristin; Espe, Marit; Olsvik, Pål Asgeir; Silva, Joana; Hansen, Ann-Cecilie; Johansen, Johan; Sissener, Nini H.; Waagbø, Rune (Journal article; Peer reviewed, 2019)
    • Sources, distribution and effects of rare earth elements in the marine environment : Current knowledge and research gaps 

      Piarulli, Stefania; Hansen, Bjørn Henrik; Ciesielski, Tomasz Maciej; Zocher, Anna-Lena; Malzahn, Arne; Olsvik, Pål Asgeir; Sonne, Christian; Nordtug, Trond; Jenssen, Bjørn Munro; Booth, Andy; Farkas, Julia (Peer reviewed; Journal article, 2021)
    • A transcriptomic analysis of diploid and triploid Atlantic salmon lenses with and without cataracts 

      Olsvik, Pål Asgeir; Finn, Roderick Nigel; Remø, Sofie C.; Fjelldal, Per Gunnar; Chauvigné, Francois; Glover, Kevin; Hansen, Tom Johnny; Waagbø, Rune (Peer reviewed; Journal article, 2020)
      To avoid negative environmental impacts of escapees and potential inter-breeding with wild populations, the Atlantic salmon farming industry has and continues to extensively test triploid fish that are sterile. However, ...

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