• Changes in histidine metabolism through smoltification and effect on cataract development in Atlantic Salmon (Salmo salar L.) 

  Slaatmo, Oscar André (Master thesis, 2021-01-20)

  Cataract is the collective definition of any light scattering opacities of the eye. Cataractogenesis is caused when there is a noticeable irregular light scattering because there has been a change in the tridimensional ...

• Salmon lice survive the straight shooter: A commercial scale sea cage trial of laser delousing 

  Bui, Samantha; Geitung, Lena; Oppedal, Frode; Barrett, Luke T. (Journal article; Peer reviewed, 2020)

  Ectoparasitic salmon louse (Lepeophtheirus salmonis) infestations are costly for Atlantic salmon (Salmo salar) farmers in Norway. As a result, there is a strong desire for solutions to prevent and control infestations, and ...

• Reflections on the Use of Ecological Attributes and Traits in Quaternary Botany 

  Birks, Harry John Betteley (Journal article; Peer reviewed, 2020)

  There has been an upsurge of interest and research activity in trait-based approaches in ecology, biogeography, and macroecology. I discuss if this upsurge has impacted Quaternary botany (the study of plant remains preserved ...

• Snapshot isolation and isolation history challenge the analogy between mountains and islands used to understand endemism 

  Flantua, Suzette; Payne, Davnah; Borregaard, Michael Krabbe; Beierkuhnlein, Carl; Steinbauer, Manuel J.; Dullinger, Stefan; Essl, Franz; Irl, Severin D.H.; Kienle, David; Kreft, Holger; Lenzner, Bernd; Norder, Sietze J.; Rijsdijk, Kenneth F.; Rumpf, Sabine B.; Weigelt, Patrick; Field, Richard (Journal article; Peer reviewed, 2020)

  Aim Mountains and islands are both well known for their high endemism. To explain this similarity, parallels have been drawn between the insularity of “true islands” (land surrounded by water) and the isolation of habitats ...

• The impact of anti-sea lice pesticides, azamethiphos and deltamethrin, on European lobster (Homarus gammarus) larvae in the Norwegian marine environment 

  Parsons, Aoife Elizabeth; Escobar, Rosa; Sævik, Pål Næverlid; Samuelsen, Ole Bent; Agnalt, Ann-Lisbeth (Journal article; Peer reviewed, 2020)

  Anti-sea lice pesticides, used in the salmonid aquaculture industry, are a growing environmental concern due to their potential to adversely affect non-target crustaceans. Azamethiphos and deltamethrin are two bath treatment ...

• Changes in Sea-Ice Protist Diversity With Declining Sea Ice in the Arctic Ocean From the 1980s to 2010s 

  Hop, Haakon; Vihtakari, Mikko; Bluhm, Bodil; Assmy, Philipp; Poulin, Michel; Gradinger, Rolf; Peeken, Ilka; von Quillfeldt, Cecilie; Olsen, Lasse Mork; Zhitina, Ludmila; Melnikov, Igor A. (Journal article; Peer reviewed, 2020)

  The large declines in Arctic sea-ice age and extent over the last decades could have altered the diversity of sea-ice associated unicellular eukaryotes (referred to as sea-ice protists). A time series from the Russian ...

• The Arabidopsis (ASHH2) CW domain binds monomethylated K4 of the histone H3 tail through conformational selection 

  Dobrovolska, Olena; Brilkov, Maxim; Madeleine, Noëlly; Ødegaard-Fougner, Øyvind; Strømland, Øyvind; Martin, Stephen R.; De Marco, Valeria; Christodoulou, Evangelos; Teigen, Knut; Isaksson, Johan; Underhaug, Jarl; Reuter, Nathalie; Aalen, Reidunn B.; Aasland, Rein; Halskau, Øyvind (Journal article; Peer reviewed, 2020)

  Chromatin post‐translational modifications are thought to be important for epigenetic effects on gene expression. Methylation of histone N‐terminal tail lysine residues constitutes one of many such modifications, executed ...

• Comparison of Otolith Microstructure of Herring Larvae and Sibling Adults Reared Under Identical Early Life Conditions 

  Tonheim, Susanne; Slotte, Aril; Andersson, Leif; Folkvord, Arild; Berg, Florian (Journal article; Peer reviewed, 2020-07-03)

  Atlantic herring (Clupea harengus) is a euryhaline species, occupying fully marine habitats (35 psu) in the North Atlantic, as well as brackish waters (<20 psu) such as in the adjacent Baltic Sea. We co-reared Atlantic ...

• Gyrodactylus triglopsi n. sp. (Monogenea: Gyrodactylidae) from the Gills of Triglops nybelini Jensen, 1944 (Teleostei: Cottidae) in the Barents Sea 

  Hansen, Haakon; Alvestad, Anja Helene; MacKenzie, Ken; Darrud, Mari; Karlsbakk, Egil; Hemmingsen, Willy; Arneberg, Per (Journal article; Peer reviewed, 2020-04-28)

  Introduction Monogeneans of the genus Gyrodactylus were found on the gills of specimens of the bigeye sculpin Triglops nybelini Jensen, 1944 caught by trawl in the Barents Sea in January–February 2016. Methods Morphological ...

• Relative transcript quantification by Quantitative PCR: Roughly right or precisely wrong? 

  Skern-Mauritzen, Rasmus; Frost, Petter; Nilsen, Frank (Journal article; Peer reviewed, 2005-04-26)

  Background When estimating relative transcript abundances by quantitative real-time PCR (Q-PCR) we found that the results can vary dramatically depending on the method chosen for data analysis. Results Analyses of ...

• Life histories determine divergent population trends for fishes under climate warming 

  Wang, Hui-Yu; Shen, Sheng-Feng; Chen, Ying-Shiuan; Kiang, Yun-Kae; Heino, Mikko Petteri (Journal article; Peer reviewed, 2020-08-14)

  Most marine fish species express life-history changes across temperature gradients, such as faster growth, earlier maturation, and higher mortality at higher temperature. However, such climate-driven effects on life histories ...

• Planctomycetes as a Vital Constituent of the Microbial Communities Inhabiting Different Layers of the Meromictic Lake Sælenvannet (Norway) 

  Storesund, Julia Endresen; Lanzén, Anders; Nordmann, Eva-Lena; Rief Armo, Hilde; Lage, Olga M.; Øvreås, Lise (Journal article; Peer reviewed, 2020)

  Meromictic lakes are permanently stratified lakes that display steep gradients in salinity, oxygen and sulphur compounds tightly linked to bacterial community structure and diversity. Lake Sælenvannet is a meromictic lake ...

• The effect of temperature on ability of Lepeophtheirus salmonis to infect and persist on Atlantic salmon 

  Dalvin, Sussie; Hamre, Lars Are; Skern-Mauritzen, Rasmus; Vågseth, Tone; Stien, Lars Helge; Oppedal, Frode; Bui, Samantha (Journal article; Peer reviewed, 2020)

  The salmon louse (Lepeophtheirus salmonis) is an ecologically and economically important parasite of salmonid fish. Temperature is a strong influencer of biological processes in salmon lice, with development rate increased ...

• The proinflammatory cytokines TNF-α and IL-6 in lumpfish (Cyclopterus lumpus L.) -identification, molecular characterization, phylogeny and gene expression analyses 

  Eggestøl, Håvard Øritsland; Haugland, Gyri Teien; Lunde, Harald S. (Journal article; Peer reviewed, 2020)

  The proinflammatory cytokines TNF-α and IL-6 are important mediators of inflammatory reactions and orchestrators of the immune system in vertebrate. In this study, we have identified TNF-α and IL-6 in lumpfish, molecular ...

• Assessing the reproductive biology of the Greenland shark (Somniosus microcephalus) 

  Nielsen, Julius; Hedeholm, Rasmus B.; Lynghammar, Arve; McClusky, Leon Mendel; Berland, Bjørn; Steffensen, John Fleng; Christiansen, Jørgen Schou (Journal article; Peer reviewed, 2020)

  The Greenland shark (Somniosus microcephalus, Squaliformes: Somniosidae) is a long-lived Arctic top predator, which in combination with the high historical and modern fishing pressures, has made it subject to increased ...

• Foraging success in planktivorous fish increases with topographic blockage of prey distributions 

  Aarflot, Johanna Myrseth; Dalpadado, Padmini; Fiksen, Øyvind (Journal article; Peer reviewed, 2020)

  Banks and shelves are productive zones of the ocean, and often home to large fish stocks. Can shallower bottom topographies improve foraging opportunities for pelagic fish by blocking zooplankton from hiding in deep, darker ...

• Production and verification of the first Atlantic salmon (Salmo salar L.) clonal lines 

  Hansen, Tom Johnny; Penman, David J.; Glover, Kevin; Fraser, Thomas; Vågseth, Tone; Thorsen, Anders; Sørvik, Anne Grete Eide; Fjelldal, Per Gunnar (Journal article; Peer reviewed, 2020)

  Background In several fish species homozygous and heterozygous clonal lines have been produced using gynogenetic and androgenetic techniques. These lines are standardized and can be reproduced over generations. In rainbow ...

• Morphomolecular alterations in the skin mucosa of Atlantic salmon (Salmo salar) after exposure to peracetic acid-based disinfectant 

  Lazado, Carlo C.; Haddeland, Sindre; Timmerhaus, Gerrit; Berg, Ragnhild Stenberg; Merkin, Grigory; Pittman, Karin; Pedersen, Lars-Flemming (Journal article; Peer reviewed, 2020)

  Peroxygen-based chemotherapeutants are commonly used in treating ectoparasitic infections in fish. A majority of relevant studies address the effects of these substances on the targeted causative agents, but little is known ...

• “A cleaner break”: Genetic divergence between geographic groups and sympatric phenotypes revealed in ballan wrasse (Labrus bergylta) 

  Seljestad, Gaute; Sanchez, Maria Quintela; Faust, Ellika; Halvorsen, Kim Aleksander Tallaksen; Besnier, Francois; Jansson, Eeva; Dahle, Geir; Knutsen, Halvor; André, Carl; Folkvord, Arild; Glover, Kevin (Journal article; Peer reviewed, 2020)

  Capture and long‐distance translocation of cleaner fish to control lice infestations on marine salmonid farms has the potential to influence wild populations via overexploitation in source regions, and introgression in ...

• Effects of short-term starvation periods on flesh quality in Arctic charr (Salvelinus alpinus) in different seasons 

  Imsland, Albert K.D.; Roth, Bjørn; Christensen, Line Bach; Siikavuopio, Sten Ivar; Foss, Atle (Journal article; Peer reviewed, 2020)

  Possible effects of short‐term starvation on flesh quality in Arctic charr were studied in spring (March) and summer (August). Groups of juvenile Arctic charr (mean weight March 536 g ± 24; August 461 g ± 15 SEM) were ...

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