Blar i Department of Biological Sciences på tittel

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    • Evaluation of a eukaryote phylogenetic microarray for environmental monitoring of marine sediments 

      Lekang, Katrine; Lanzén, Anders; Jonassen, Inge; Thompson, Eric; Troedsson, Christofer (Journal article; Peer reviewed, 2020)
      Increased exploitation of resources in sensitive marine ecosystems emphasizes the importance of knowledge regarding ecological impacts. However, current bio-monitoring practices are limited in terms of target-organisms and ...

    • Evaluation of black soldier fly larvae meal as a functional feed ingredient in Atlantic salmon (Salmo salar) under farm-like conditions 

      Radhakrishnan, Gopika; Liland, Nina Sylvia; Koch, Marianne Wethe; Lock, Erik Jan Robert; Philip, Antony Jesu Prabhu; Belghit, Ikram (Journal article; Peer reviewed, 2023)
      Atlantic salmon (Salmo salar) were fed diets containing black soldier fly larvae (BSFL) meal at two inclusion levels for 13 months in open sea-cages. BSFL meal replaced plant-based ingredients and dietary insect meal ...

    • Evaluation of harvest control rules: simple one-parameter versus complex multi-parameter strategies 

      Housholder, Dorothy J. (Master thesis, 2004)
      Harvest control rules (HCR) are sets of well-defined rules that can be used for determining annual fish catch quotas or effort. If a management policy can be expressed as a HCR, then the HCR provides means to determine the ...

    • Evaluation of photodegradable chitin synthetase inhibitors for the treatment of salmon lice (Lepeophtheirus salmonis) 

      Sydnes, Magne Olav; Eikemo, Vebjørn; Espedal, Per Gunnar; Sydnes, Leiv K.; Nilsen, Frank (Journal article; Peer reviewed, 2023)
      Some photolabile ethanolamine analogues of the chitin synthetase inhibitors diflubenzuron, teflubenzuron, and lufenuron were tested for activity as anti-lice compounds towards salmon lice (Lepeophtheirus salmonis). Two ...

    • Evaluation of potential reference genes in real-time RT-PCR studies of Atlantic salmon 

      Olsvik, Pål A.; Lie, Kai Kristoffer; Olderbakk Jordal, Anne-Lise; Nilsen, Tom Ole; Hordvik, Ivar (Peer reviewed; Journal article, 2005)
      Background: Salmonid fishes are among the most widely studied model fish species but reports on systematic evaluation of reference genes in qRT-PCR studies is lacking. Results: The stability of six potential reference genes ...

    • Evidence for light-controlled migration amplitude of a sound scattering layer in the Norwegian Sea 

      Norheim, Eirik; Klevjer, Thor A.; Aksnes, Dag Lorents (Peer reviewed; Journal article, 2016)
      The oceanic sound scattering layer (SL) is an ubiquitous acoustic signature of mesopelagic fishes and invertebrates that are important food sources for the oceanic macrofauna and players in the biological carbon pump. We ...

    • Evidence of diel vertical migration in Mnemiopsis leidyi 

      Haraldsson, Matilda; Båmstedt, Ulf; Tiselius, Peter; Titelman, Josefin; Aksnes, Dag Lorents (Peer reviewed; Journal article, 2014-01-22)
      The vertical distribution and migration of plankton organisms may have a large impact on their horizontal dispersal and distribution, and consequently on trophic interactions. In this study we used video-net profiling to ...

    • Evidence that Listeria innocua modulates its membrane’s stored curvature elastic stress, but not fluidity, through the cell cycle 

      Furse, Samuel Robert; Jakubec, Martin; Rise, Frode; Williams, Huw E.; Rees, Catherine E.D.; Halskau, Øyvind (Peer reviewed; Journal article, 2017-08-14)
      This paper reports that the abundances of endogenous cardiolipin and phosphatidylethanolamine halve during elongation of the Gram-positive bacterium Listeria innocua. The lyotropic phase behaviour of model lipid systems ...

    • An EvoDevo Study of Salmonid Visual Opsin Dynamics and Photopigment Spectral Sensitivity 

      Eilertsen, Mariann; Davies, Wayne I. L.; Patel, Dharmeshkumar; Barnes, Jonathan E.; Karlsen, Rita; Mountford, Jessica Kate; Stenkamp, Deborah; Patel, Jagdish Suresh; Helvik, Jon Vidar (Journal article; Peer reviewed, 2022)
      Salmonids are ideal models as many species follow a distinct developmental program from demersal eggs and a large yolk sac to hatching at an advanced developmental stage. Further, these economically important teleosts ...

    • Evolution of a portfolio-based design in ecology: a three-year design cycle 

      Esterhazy, Rachelle; Fiksen, Øyvind (Peer reviewed; Journal article, 2019)
      Portfolio-based designs are among the most popular student-centered approaches in higher education. While the pedagogical literature typically provides generic advice on ideal portfolio-based designs, there is little ...

    • Evolution of age and length at maturation of Alaskan salmon under size-selective harvest 

      Kendall, Neala W.; Dieckmann, Ulf; Heino, Mikko Petteri; Punt, André E.; Quinn, Thomas P. (Peer reviewed; Journal article, 2014-02)
      Spatial and temporal trends and variation in life-history traits, including age and length at maturation, can be influenced by environmental and anthropogenic processes, including size-selective exploitation. Spawning ...

    • The evolution of insular woodiness 

      Zizka, Alexander; Onstein, Renske E.; Rozzi, Roberto; Weigelt, Patrick; Kreft, Holger; Steinbauer, Manuel; Bruelheide, Helge; Lens, Frederic (Journal article; Peer reviewed, 2022)
      Insular woodiness (IW)—the evolutionary transition from herbaceousness toward woodiness on islands—is one of the most iconic features of island floras. Since pioneering work by Darwin and Wallace, a number of drivers of ...

    • Evolution of reproduction periods in seasonal environments 

      Sun, Zepeng; Parvinen, Kalle; Heino, Mikko Petteri; Metz, Johan A.J.; de Roos, André M.; Dieckmann, Ulf (Journal article; Peer reviewed, 2020)
      Many species are subject to seasonal cycles in resource availability, affecting the timing of their reproduction. Using a stage-structured consumer-resource model in which juvenile development and maturation are resource ...

    • Evolution of temperature optimum in Thermotogaceae and the prediction of trait values of uncultured organisms 

      Dahle, Håkon; Hannisdal, Bjarte; Steinsbu, Bjørn Olav; Ommedal, Hege; Einen, Jørn; Jensen, Sigmund; Larsen, Øyvind; Øvreås, Lise; Norland, Svein (Peer reviewed; Journal article, 2011-06-03)
      Quantitative characterization of the mode and rate of phenotypic evolution is rarely applied to prokaryotes. Here, we present an analysis of temperature optimum (Topt) evolution in the thermophilic family Thermotogaceae, ...

    • The evolution of the metazoan Toll receptor family and its expression during protostome development 

      Alcalde, Andrea Orus; Lu, Tsai-Ming; Børve, Aina; Hejnol, Andreas (Journal article; Peer reviewed, 2021)
      Background: Toll-like receptors (TLRs) play a crucial role in immunity and development. They contain leucine-rich repeat domains, one transmembrane domain, and one Toll/IL-1 receptor domain. TLRs have been classified into ...

    • Evolution of the Pax-Six-Eya-Dach network: the calcisponge case study 

      Fortunato, Sofia; Leininger, Sven Dirk; Adamska, Maja (Peer reviewed; Journal article, 2014-06-23)
      Background: The Pax-Six-Eya-Dach network (PSEDN) is involved in a variety of developmental processes, including well documented roles in determination of sensory organs and morphogenesis in bilaterian animals. Expression ...

    • Evolution of vegetation and climate variability on the Tibetan Plateau over the past 1.74 million years 

      Zhao, Yan; Tzedakis, P. Chronis; Li, Quan; Qin, Feng; Cui, Qiaoyu; Liang, Chen; Birks, Harry John Betteley; Liu, Yaoliang; Zhang, Zhiyong; Ge, Junyi; Zhao, Hui; Felde, Vivian Astrup; Deng, Chenglong; Cai, Maotang; Li, Huan; Ren, Weihe; Wei, Haicheng; Yang, Hanfei; Zhang, Jiawu; Yu, Zicheng; Guo, Zhengtang (Journal article; Peer reviewed, 2020)
      The Tibetan Plateau exerts a major influence on Asian climate, but its long-term environmental history remains largely unknown. We present a detailed record of vegetation and climate changes over the past 1.74 million years ...

    • Evolutionary and developmental perspective on annelid eye and nervous system: Insights from Malacoceros fuliginosus 

      Kumar, Suman (Doctoral thesis, 2019-11-25)
      Eye evolution is far from resolved and despite the considerable interest and decades of study, many questions remain on the evolutionary scenarios of eyes and photoreceptor cells. While examining their ultrastructure has ...

    • The evolutionary diversity of barnacles, with an updated classification of fossil and living forms 

      Chan, Benny K. K; Dreyer, Niklas; Gale, Andy S; Glenner, Henrik; Ewers-Saucedo, Christine; Pérez-Losada, Marcos; Kolbasov, Gregory A; Crandall, Keith A; Høeg, Jens T (Journal article; Peer reviewed, 2021)
      We present a comprehensive revision and synthesis of the higher-level classification of the barnacles (Crustacea: Thecostraca) to the genus level and including both extant and fossils forms. We provide estimates of the ...

    • Evolutionary drivers of kype size in atlantic salmon (salmo salar): domestication, age and genetics 

      Perry, William; Solberg, Monica Favnebøe; Besnier, Francois; Dyrhovden, Lise; Matre, Ivar Helge; Fjelldal, Per Gunnar; Ayllon, Fernando; Creer, Simon; Llewellyn, Martin; Taylor, Martin I.; Carvalho, Gary; Glover, Kevin (Peer reviewed; Journal article, 2019-04-17)
      The diversity of reproduction and associated mating patterns in Atlantic salmon (Salmo salar) has long captivated evolutionary biologists. Salmo salar exhibit strategies involving migration, bold mating behaviours and ...