Blar i Department of Biological Sciences på tittel

Viser treff 34-53 av 2216

    • Algal toxin azaspiracid-1 induces early neuronal differentiation and alters peripherin isoform stoichiometry 

      Hjørnevik, Linda Veka; Frøyset, Ann Kristin; Grønset, Toril Anne; Rungruangsak-Torrissen, Krisna; Fladmark, Kari Espolin (Peer reviewed; Journal article, 2015-12-14)
      Azaspiracid-1 is an algal toxin that accumulates in edible mussels, and ingestion may result in human illness as manifested by vomiting and diarrhoea. When injected into mice, it causes neurotoxicological symptoms and ...

    • Alginate and tunicate nanocellulose composite microbeads – Preparation, characterization and cell encapsulation 

      Kjesbu, Joachim Sebastian; Zaitseva-Zotova, Daria; Sämfors, Sanna; Gatenholm, Paul; Troedsson, Christofer; Thompson, Eric Malcolm; Strand, Berit Løkensgard (Journal article; Peer reviewed, 2022)
      Alginate has been used for decades for cell encapsulation. Cellulose nanofibrils (CNF) from tunicates are desirable in biomedicine due to high molecular weight, purity, crystallinity, and sustainable production. We prepared ...

    • Alien plants, animals, fungi and algae in Norway:an inventory of neobiota 

      Sandvik, Hanno; Dolmen, Dag; Elven, Reidar; Falkenhaug, Tone; Forsgren, Elisabet; Hansen, Haakon; Hassel, Kristian; Husa, Vivian; Kjærstad, Gaute; Ødegaard, Frode; Pedersen, Hans Christian; Solheim, Halvor; Stokke, Bård Gunnar; Åsen, Per Arvid; Åström, Sandra Charlotte Helene; Brandrud, Tor Erik; Elven, Hallvard; Endrestøl, Anders; Finstad, Anders Gravbrøt; Fredriksen, Stein; Gammelmo, Øivind; Gjershaug, Jan Ove; Gulliksen, Bjørn; Hamnes, Inger Sofie; Hatteland, Bjørn Arild; Hegre, Hanne; Hesthagen, Trygve H.; Jelmert, Anders; Jensen, Thomas Correll; Johnsen, Stein Ivar; Karlsbakk, Egil; Magnusson, Christer; Nedreaas, Kjell Harald; Nordén, Björn; Oug, Eivind; Pedersen, Oddvar; Pedersen, Per Anker; Sjøtun, Kjersti; Skei, Jon Kristian; Solstad, Heidi; Sundheim, Leif; Swenson, Jon; Syvertsen, Per Ole; Talgø, Venche; Vandvik, Vigdis; Westergaard, Kristine Bakke; Wienerroither, Rupert; Ytrehus, Bjørnar; Hilmo, Olga; Henriksen, Snorre; Gederaas, Lisbeth (Peer reviewed; Journal article, 2019-08-03)
      We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter ...

    • Alien species in Norway: Results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...

    • Amino Acid Carriers of the Solute Carrier Families 7 (SLC7) and 38 (SLC38) Are Involved in Leucine Sensing in the Brain of Atlantic Salmon (Salmo salar) 

      Comesaña, Sara; Lai, Floriana; Jordal, Ann-Elise Olderbakk; Verri, Tiziano; Espe, Marit; Soengas, José L.; Rønnestad, Ivar (Journal article; Peer reviewed, 2021)
      Sensing of amino acids in fish brain, especially branched-chain amino acids (BCAA) like leucine, is involved in regulation of feed intake through different mechanisms. However, there is limited information regarding the ...

    • Ammonia oxidation and oxygen consumption rate measurements in RAS at different alkalinities 

      Skorá, Olina (Master thesis, 2023-06-02)
      The need for environmentally friendly sustainable nutritious food has never been more imminent than today, with a need to increase the world´s animal-based food supply by 70% by 2050. By simply increasing the number of ...

    • Ammonia-eliminating potential of Gracilaria sp. And zeolite: a preliminary study of the efficient ammonia eliminator in aquatic environment 

      Royan, Muhammad Rahmad; Solim, MH; Santanumurti, Muhammad Browijoyo (Peer reviewed; Journal article, 2019-02-01)
      High density and high feeding volume are regarded as factors causing huge accumulations of Total Ammonia Nitrogen (TAN) in an aquaculture system. An uncontrolled TAN concentration in an aquaculture system can pose a threat ...

    • An amphipathic helix in Brl1 is required for nuclear pore complex biogenesis in S. cerevisiae 

      Kralt, Annemarie; Wojtynek, Matthias; Fischer, Jonas S.; Agote-Aran, Arantxa; Mancini, Roberta; Dultz, Elisa; Noor, Elad; Uliana, Federico; Tatarek-Nossol, Marianna; Antonin, Wolfram; Onishchenko, Evgeny; Medalia, Ohad; Weis, Karsten (Journal article; Peer reviewed, 2022)
      The nuclear pore complex (NPC) is the central portal for macromolecular exchange between the nucleus and cytoplasm. In all eukaryotes, NPCs assemble into an intact nuclear envelope (NE) during interphase, but the process ...

    • Anaesthesia of farmed fish with special empasis on atlantic cod (Gadus morhua) and atlantic habibut (Hippoglossus hippoglossus) 

      Zahl, Inger Hilde (Doctoral thesis, 2011-03-23)
      During the life cycle as farmed animals there are numerous situations where fish are subjected to handling and confinement. Netting, weighing, sorting, vaccination, transport and, at the end, slaughter are common events ...

    • Analyse av biomarkører i leverprøver fra atlanterhavstorsk (Gadus morhua) benyttet i et burforsøk i Kollevåg, Askøy kommune 

      Hem, Martine (Master thesis, 2017-09-05)
      Kollevåg er et etablert friluftsområde på vestsiden av Askøy i Hordaland. Området har også i tidsperioden 1930-1975 fungert som et avfallsdeponi for usortert avfall for innbyggere i Bergen kommune. Avfallet ble dumpet på ...

    • Analyse av flervalgstest som eksamensform på bachelorutdanning i biologi ved UiB 

      Folkvord, Sigrid Booman (Master thesis, 2016-06-02)
      Eksamen i høyere utdanning har tradisjonelt fokusert på kontrollaspektet ved vurdering. I dag er det et økende fokus på læringsaspektet ved vurdering noe som vises i interessen for autentiske og varierte vurderingsformer. ...

    • Analyses of bacteriophages to Yersinia ruckeri and the salmon (Salmo salar L.) antibody response to the bacteriophages. 

      Strand, Amund (Master thesis, 2017-06-30)
      New technologies for producing Atlantic salmon like the recirculation aquaculture systems (RAS) have gained popularity, and has overthrown the traditional flow through systems used in the freshwater stages of the Atlantic ...

    • Analyses of Thermotogales secretomes 

      With, Trude (Master thesis, 2014-08-04)
      The aim of this study was to analyse the secretomes of the deeply branching order Thermotogales, using the species of Thermosipho africanus, Petrotoga mobilis, and Kosmotoga olearia, which have all been isolated from hot ...

    • Analysing estimators in the alternative echo integrator method 

      Aksland, Magnar (Peer reviewed; Journal article, 2010)
      Abstract: New and existing estimators of the “Echo Value Constant” based on split-beam detected and integrated single target echoes in the “alternative echo integration method” have been compared by using acoustic data. ...

    • Analysis of coastal cod (Gadus morhua L.) sampled on spawning sites reveals a genetic gradient throughout Norway's coastline 

      Dahle, Geir; Quintela, María; Johansen, Torild; Westgaard, Jon-Ivar; Besnier, Francois; Aglen, Asgeir; Jørstad, Knut Eirik; Glover, Kevin (Peer reviewed; Journal article, 2018-07-09)
      Background. Atlantic cod (Gadus morhua L.) has formed the basis of many economically significant fisheries in the North Atlantic, and is one of the best studied marine fishes, but a legacy of overexploitation has depleted ...

    • Analysis of IgM sub-variants related to ancestral tetraploidy in salmonid fish 

      Kamil, Atif (Doctoral thesis, 2013-03-21)
      Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) possess two paralogous IgM heavy chain (μ) genes related to ancestral tetraploidy. Accordingly, IgM subpopulations of Atlantic salmon and brown trout can be ...

    • Analysis of immunoglobulin and T cell receptor gene expression in ballan wrasse (Labrus bergylta) revealed an extraordinarily high IgM expression in the gut 

      Bilal, Sumaira; Lie, Kai Kristoffer; Dalum, Alf Seljenes; Karlsen, Odd Andre; Hordvik, Ivar (Peer reviewed; Journal article, 2019)
      The serum IgM concentration of ballan wrasse is relatively high, estimated to approximately 13 mg/ml in adult wild fish of 800 g. The present study revealed an unusual high abundance of IgM mRNA in the gut of ballan wrasse. ...

    • Analysis of reproductive traits reveals complex population dynamics on a small geographical scale in Atlantic herring 

      Müller, Jonas; dos Santos Schmidt, Thassya Christina; Seljestad, Gaute Wilhelmsen; Clemmensen, Catriona; Gröger, Joachim; Berg, Florian (Journal article; Peer reviewed, 2023-02-01)
      Atlantic herring (Clupea harengus) has a complex population structure and displays a variety of reproductive strategies. Differences in reproductive strategies among herring populations are linked to their time of spawning, ...

    • Analysis of sequencing data in environmental genomics. Exploring the diversity of the microbial biosphere 

      Lanzén, Anders (Doctoral thesis, 2013-04-12)
      Most life on this planet is microbial and for the last two decades, environmental genomics has contributed to reveal an impressive biodiversity of this microbial life. This approach applies DNA sequencing to environmental ...

    • Analysis of transcription factor complexes and their associated chromatin interactions during erythropoiesis 

      Thongjuea, Supat (Doctoral thesis, 2014-01-17)
      Cis-regulatory elements can control gene transcription over large distances. Studying the association between cis-regulatory elements and the mechanism of gene regulation is important since the disruption in the transcriptional ...