Now showing items 941-960 of 1386

    • Observation on the survival of Francisella noatunensis in water and in blue mussel (Mytilus edulis) 

      Wangen, Ingvild Helland (Master thesis, 2009-06-09)
      Francisellosis was discovered in farmed Atlantic cod (Gadus morhua) in the western parts of Norway in 2004. The bacterium Francisella noatunensis was identified as the causative agent. Today, francisellosis is known as one ...
    • The occurrence of biomineralisation products in four lichen species growing on sandstone in western Norway 

      Bjelland, Torbjørg; Sæbø, Linda; Thorseth, Ingunn Hindenes (Peer reviewed; Journal article, 2002)
      High performance thin-layer chromatography/thin-layer chromatography, X-ray diffraction, and scanning electron microscopy analysis of thallus and lichen-rock interface samples, were undertaken to characterize biomineralization ...
    • The occurrence, pathology and morphological development of Paranucleospora theridion in salmon louse (Lepeophtheirus salmonis) 

      Økland, Arnfinn Lodden (Master thesis, 2012-06-04)
      In 2003 a microsporidian parasite was discovered in salmon lice (Lepeophtheirus salmonis). The same parasite was later described from Atlantic salmon (Salmo salar) and salmon lice and was identified as Paranucleospora ...
    • The ocean sampling day consortium 

      Kopf, Anna; Bicak, Mesude; Kottmann, Renzo; Schnetzer, Julia; Kostadinov, Ivaylo; Lehmann, Katja; Fernandez-Guerra, Antonio; Jeanthon, Christian; Rahav, Eyal; Ullrich, Matthias; Wichels, Antje; Gerdts, Gunnar; Polymenakou, Paraskevi; Kotoulas, Giorgos; Siam, Rania; Abdallah, Rehab Z; Sonnenschein, Eva C; Cariou, Thierry; O’Gara, Fergal; Jackson, Stephen; Orlic, Sandi; Steinke, Michael; Busch, Julia; Duarte, Bernardo; Caçador, Isabel; Canning-Clode, João; Bobrova, Oleksandra; Marteinsson, Viggo; Reynisson, Eyjolfur; Loureiro, Clara M; Luna, Gian M; Quero, Grazia M; Löscher, Carolin R; Kremp, Anke; DeLorenzo, Marie E; Øvreås, Lise; Tolman, Jennifer; LaRoche, Julie; Penna, Antonella; Frischer, Marc; Davis, Timothy; Katherine, Barker; Meyer, Christopher P; Ramos, Sandra; Magalhães, Catarina; Jude-Lemeilleur, Florence; Aguirre-Macedo, Ma L; Wang, Shiao; Poulton, Nicole; Jones, Scott; Collin, Rachel; Fuhrman, Jed A; Conan, Pascal; Alonso, Cecilia; Stambler, Noga; Goodwin, Kelly; Yakimov, Michael M; Baltar, Federico; Bodrossy, Levente; Van De Kamp, Jodie; Frampton, Dion M; Ostrowski, Martin; Van Ruth, Paul; Malthouse, Paul; Claus, Simon; Deneudt, Klaas; Mortelmans, Jonas; Pitois, Sophie; Wallom, David; Salter, Ian; Costa, Rodrigo; Schroeder, Declan C; Kandil, Mahrous M; Amaral, Valentina; Biancalana, Florencia; Santana, Rafael; Pedrotti, Maria L; Yoshida, Takashi; Ogata, Hiroyuki; Ingleton, Tim; Munnik, Kate; Rodriguez-Ezpeleta, Naiara; Berteaux-Lecellier, Veronique; Wecker, Patricia; Cancio, Ibon; Vaulot, Daniel; Bienhold, Christina; Ghazal, Hassan; Chaouni, Bouchra; Essayeh, Soumya; Ettamimi, Sara; Zaid, El H; Boukhatem, Noureddine; Bouali, Abderrahim; Chahboune, Rajaa; Barrijal, Said; Timinouni, Mohammed; El Otmani, Fatima; Bennani, Mohamed; Mea, Marianna; Todorova, Nadezhda; Karamfilov, Ventzislav; ten Hoopen, Petra; Cochrane, Guy; L’Haridon, Stephane; Bizsel, Kemal C; Vezzi, Alessandro; Lauro, Federico M; Martin, Patrick; Jensen, Rachelle M; Hinks, Jamie; Gebbels, Susan; Rosselli, Riccardo; De Pascale, Fabio; Schiavon, Riccardo; dos Santos, Antonina; Villar, Emilie; Pesant, Stéphane; Cataletto, Bruno; Malfatti, Francesca; Edirisinghe, Ranjith; Silveira, Jorge A H; Barbier, Michele; Turk, Valentina; Tinta, Tinkara; Fuller, Wayne J; Salihoglu, Ilkay; Serakinci, Nedime; Ergoren, Mahmut C; Bresnan, Eileen; Iriberri, Juan; Nyhus, Paul A F; Bente, Edvardsen; Karlsen, Hans E; Golyshin, Peter N; Gasol, Josep M; Moncheva, Snejana; Dzhembekova, Nina; Johnson, Zackary; Sinigalliano, Christopher D; Gidley, Maribeth L; Zingone, Adriana; Danovaro, Roberto; Tsiamis, George; Clark, Melody S; Costa, Ana C; El Bour, Monia; Martins, Ana M; Collins, R E; Ducluzeau, Anne-Lise; Martinez, Jonathan; Costello, Mark J; Amaral-Zettler, Linda A; Gilbert, Jack A; Davies, Neil; Field, Dawn; Glöckner, Frank O (Peer reviewed; Journal article, 2015-06-19)
      Ocean Sampling Day was initiated by the EU-funded Micro B3 (Marine Microbial Biodiversity, Bioinformatics, Biotechnology) project to obtain a snapshot of the marine microbial biodiversity and function of the world’s oceans. ...
    • Of tests, trochs, shells, and spicules: Development of the basal mollusk Wirenia argentea (Solenogastres) and its bearing on the evolution of trochozoan larval key features 

      Todt, Christiane; Wanninger, Andreas (Peer reviewed; Journal article, 2010-01-26)
      Background The phylogenetic status of the aplacophoran mollusk taxon Solenogastres (Neomeniomorpha) is controversially discussed. Some authors propose the clade to represent the most basal branch within Mollusca, while ...
    • OikoBase: a genomics and developmental transcriptomics resource for the urochordate Oikopleura dioica 

      Danks, Gemma Barbara; Campsteijn, Coen; Parida, Mruyunjaya; Butcher, Stephen; Doddapaneni, Harsha; Fu, Bolei; Petrin, Raul; Metpally, Raghu; Lenhard, Boris; Wincker, Patrick; Chourrout, Daniel; Thompson, Eric; Manak, J Robert (Peer reviewed; Journal article, 2013-11-26)
      We report the development of OikoBase (http://oikoarrays.biology.uiowa.edu/Oiko/), a tiling array-based genome browser resource for Oikopleura dioica, a metazoan belonging to the urochordates, the closest extant group to ...
    • On a hexactinellid sponge aggregation at the Great Meteor seamount (North-east Atlantic) 

      Xavier, Joana R.; Tojeira, Inês; Van Soest, Rob W.M. (Peer reviewed; Journal article, 2015-11)
      Hexactinellids or glass sponges constitute a predominantly deep-sea sponge group typically occurring at bathyal and abyssal depths. Some species form dense populations along the European and African continental slope but ...
    • On the chemistry, toxicology and genetics of the cyanobacterial toxins, microcystin, nodularin, saxitoxin and cylindrospermopsin 

      Pearson, Leanne; Mihali, Troco K.; Moffitt, Michelle; Kellmann, Ralf; Neilan, Brett A. (Peer reviewed; Journal article, 2010-05-10)
      The cyanobacteria or “blue-green algae”, as they are commonly termed, comprise a diverse group of oxygenic photosynthetic bacteria that inhabit a wide range of aquatic and terrestrial environments, and display incredible ...
    • On the ecology, toxicology, and phylogeny of cyanobacteria in Murchison Bay of Lake Victoria, Uganda 

      Haande, Sigrid (Doctoral thesis, 2008-06-04)
      One of the major threats to Lake Victoria is eutrophication and an increasing proliferation of cyanobacteria. Many cyanobacterial species have the ability to produce toxic compounds (cyanotoxins), which can cause considerable ...
    • On the morphology of the domesticated dog in medieval Norway. 

      Knoest, Jorg Jovius Tiberius (Master thesis, 2015-12-12)
      There is a large amount of bones at the Osteological collection in the Natural History Museum in Bergen, from Norwegian urban settlements from the middle ages. A large amount of bones from excavations all over Norway have ...
    • One hundred years of Quaternary pollen analysis 1916-2016 

      Birks, Harry John Betteley; Berglund, Björn E. (Peer reviewed; Journal article, 2018-03)
      We review the history of Quaternary pollen analysis from 1916 to the present-day, with particular emphasis on methodological and conceptual developments and on the early pioneers of the subject. The history is divided into ...
    • The ontogeny and brain distribution dynamics of the appetite regulators NPY, CART and pOX in larval Atlantic cod (Gadus morhua L.) 

      Le, Hoang T.M.D.; Angotzi, Anna Rita; Ebbesson, Lars O.E.; Karlsen, Ørjan; Rønnestad, Ivar (Peer reviewed; Journal article, 2016-04-21)
      Similar to many marine teleost species, Atlantic cod undergo remarkable physiological changes during the early life stages with concurrent and profound changes in feeding biology and ecology. In contrast to the digestive ...
    • Open water zooplankton communities in North African wetland lakes: the CASSARINA Project 

      Ramdani, Mohammed; Elkhiati, Najat; Flower, Roger J.; Birks, Hilary H.; Kraïem, Mejdidine M.; Fathi, Adel A.; Patrick, Simon T. (Peer reviewed; Journal article, 2001)
      Zooplankton (Copepoda, Cladocera, Ostracoda, Rotifera and Diptera larvae) in nine North African lakes was collected from open water areas over twenty months during 1997/99. The results were used to monitor changes in the ...
    • Open-source data reveal how collections-based fungal diversity is sensitive to global change 

      Andrew, Carrie Joy; Büntgen, Ulf; Egli, Simon; Senn-Irlet, Beatrice; Grytnes, John-Arvid; Heilmann-Clausen, Jacob; Boddy, Lynne; Bässler, Claus; Gange, Alan C.; Heegaard, Einar; Høiland, Klaus; Kirk, Paul M.; Krisai-Greilhüber, Irmgard; Kuyper, Thomas W.; Kauserud, Håvard (Peer reviewed; Journal article, 2019)
      Premise of the Study Fungal diversity (richness) trends at large scales are in urgent need of investigation, especially through novel situations that combine long‐term observational with environmental and remotely sensed ...
    • Opposite selection on behavioural types by active and passive fishing gears in a simulated guppy Poecilia reticulata fishery 

      Diaz Pauli, Beatriz; Wiech, Martin; Heino, Mikko Petteri; Utne-Palm, Anne Christine (Peer reviewed; Journal article, 2015-03)
      This study assessed whether fishing gear was selective on behavioural traits, such as boldness and activity, and how this was related with a productivity trait, growth. Female guppies Poecilia reticulata were screened for ...
    • Optimal defense strategies in an idealized microbial food web under trade-off between competition and defense 

      Våge, Selina; Storesund, Julia Endresen; Giske, Jarl; Thingstad, Tron Frede (Peer reviewed; Journal article, 2014-07-07)
      Trophic mechanisms that can generate biodiversity in food webs include bottom-up (growth rate regulating) and top-down (biomass regulating) factors. The top-down control has traditionally been analyzed using the concepts ...
    • Optimal response to lousy circumstances: The impact of salmon lice (Lepeophtheirus salmonis) on depth preference of sea trout (Salmo trutta) 

      Mohn, Agnes Marie (Master thesis, 2018-06-12)
      Sea trout are known for seeking out sources of freshwater to rid themselves of salmon lice. Still, the effect of natural haloclines in fjords on parasite dynamics is not well understood. We tagged 48 wild caught sea trout, ...
    • Optimization of high-throughput lipid screening of the microalga Nannochloropsis oceanica using BODIPY 505/515 

      Südfeld, Christian; Hubáček, Michal; D'Adamo, Sarah; Wijffels, Rene Hubertus; Barbosa, Maria Hjelset (Journal article; Peer reviewed, 2021-03)
      Background Microalgae are considered a promising platform for sustainable lipid production. Despite this, productivities need to be improved to facilitate an economically viable production process. This can be achieved ...
    • Organic carbon and mineral nutrient limitation of oxygen consumption, bacterial growth and efficiency in the Norwegian Sea 

      Cuevas, Luis Antonio; Egge, Jorun Karin; Thingstad, Tron Frede; Töpper, Birte (Peer reviewed; Journal article, 2011-01-12)
      To evaluate the role of bacteria in the transformation of organic matter in subarctic waters, we investigated the effect of mineral nutrients (ammonia and phosphate) and organic carbon (glucose) enrichment on heterotrophic ...