Browsing Department of Biological Sciences by Title

Now showing items 1454-1473 of 2227

    • Nature's View of Ionotropic Glutamate Receptors 

      Wang, Yuhong (Doctoral thesis, 2024-05-21)
      Ionotrope glutamatreseptorer (iGluR-er) er kationkanaler som spenner over cellemembranen og som formidler rask eksitatorisk overføring i det mammale sentralnervesystemet. De aktiveres ved binding av nevrotransmittere, for ...

    • The near-collapse of the Faroe Plateau cod (Gadus morhua L.) stock in the 1990s: The effect of food availability on spatial distribution, recruitment, natural production and fishery 

      Steingrund, Petur (Doctoral thesis, 2009-10-02)
      1. This thesis aims to explain why there was a near-collapse of the Faroe Plateau cod stock in the 1990s and why it recovered so quickly. Contrary to what local people on the Faroes believe, these fluctuations were not ...

    • Nearshore fish aggregating devices show positive outcomes for sustainable fisheries development in Timor-Leste 

      Tilley, Alexander; Wilkinson, Shaun P; Kolding, Jeppe; Lopez-Angarita, Juliana; Pereira, Mario; Mills, David J (Peer reviewed; Journal article, 2019-08-13)
      Capture fisheries in small island developing states (SIDS) have the capacity to increase access to vital micronutrient-rich food to tackle malnutrition, but when fishers are restricted to nearshore habitats by limited ...

    • Need for harmonized long-term multi-lake monitoring of African Great Lakes 

      Plisnier, Pierre-Denis; Kayanda, Robert; MacIntyre, Sally; Obiero, Kevin; Okello, William; Vodacek, Anthony; Cocquyt, Christine; Abegaz, Hussein; Achieng, Alfred; Akonkwa, Balagizi; Albrecht, Christian; Balagizi, Charles; Barasa, James; Abel Bashonga, Rafiki; Bashonga Bishobibiri, Alexis; Bootsma, Harvey; Borges, Alberto V.; Chavula, Geoffrey; Dadi, Tallent; De Keyzer, Els L.R.; Doran, Patrick J.; Gabagambi, Nestory Peter; Gatare, Robert; Gemmell, Andrew; Getahun, Abebe; Haambiya, Lloyd H.; Higgins, Scott N.; Hyangya, Béni L.; Irvine, Ken; Isumbisho, Mwapu; Jonasse, Carlos; Katongo, Cyprian; Katsev, Sergei; Keyombe, James; Kimirei, Ismael; Kisekelwa, Tchalondawa; Kishe, Mary; Otoung A. Koding, Simon; Kolding, Jeppe; Kraemer, Benjamin M.; Limbu, Peter; Lomodei, Evans; Mahongo, Shigalla B.; Malala, John; Mbabazi, Stella; Masilya, Pascal M.; McCandless, Matt; Medard, Modesta; Migeni Ajode, Zephaniah; Mrosso, Hillary D.; Mudakikwa, Eric R.; Mulimbwa, N'sibula; Mushagalusa, Déo; Muvundja, Fabrice A.; Nankabirwa, Angela; Nahimana, David; Ngatunga, Benjamin P.; Ngochera, Maxon; Nicholson, Sharon; Nshombo, Muderhwa; Ntakimazi, Gaspard; Nyamweya, Chrispine; Ikwaput Nyeko, Joyce; Olago, Daniel; Olbamo, Tekle; O'Reilly, Catherine M.; Pasche, Natacha; Phiri, Harris; Raasakka, Nina; Salyani, Anham; Sibomana, Claver; Silsbe, Greg M.; Smith, Stephanie; Sterner, Robert W.; Thiery, Wim; Tuyisenge, Janviere; Van der Knaap, Martin; Van Steenberge, Maarten; van Zwieten, Paul A.M.; Verheyen, Erik; Wakjira, Mulugeta; Walakira, John; Ndeo Wembo, Oscar; Lawrence, Theodore (Journal article; Peer reviewed, 2022)
      To ensure the long-term sustainable use of African Great Lakes (AGL), and to better understand the functioning of these ecosystems, authorities, managers and scientists need regularly collected scientific data and information ...

    • Nefrokalsinose: Utvikling av sykdom under høyt og lavt CO2 nivå med fokus på histopatologiske forandringer og mineralnivå i nyren 

      Michelsen, Erik Barman (Master thesis, 2021-09-01)
      Denne masteroppgaven er en del av et større prosjekt som blant annet studerer årsakene nefrokalsinose, (NK) hos oppdrettslaks (STONEHUNT, FHF#901588). Hvilke faktorer som ligger til grunn for utvikling av nefrokalsinose, ...

    • Negative impacts of the sea lice prophylactic emamectin benzoate on the survival of hatchery released salmon smolts in rivers 

      Lennox, Robert J.; Salvanes, Anne Gro Vea; Barlaup, Bjørn Torgeir; Stöger, Elisabeth; Madhun, Abdullah; Helle, Turid Myklebust; Vollset, Knut (Journal article; Peer reviewed, 2020)
      Emamectin benzoate (EB) is a prophylactic pharmaceutical used to protect Atlantic salmon (Salmo salar) smolts migrating out of rivers and into the ocean against sea lice parasites. Randomized control trials comparing the ...

    • Nemertean, Brachiopod, and Phoronid Neuropeptidomics Reveals Ancestral Spiralian Signaling Systems 

      Hejnol, Andreas H.; Thiel, Daniel; Jékely, Gáspár; Franz-Wachtel, Mirita; Yanez-Guerra, Luis A. (Journal article; Peer reviewed, 2021)
      Neuropeptides are diverse signaling molecules in animals commonly acting through G-protein coupled receptors (GPCRs). Neuropeptides and their receptors underwent extensive diversification in bilaterians and the relationships ...

    • Nervous necrosis virus (NNV) in farmed Norwegian fish species 

      Korsnes, Kjetil (Doctoral thesis, 2008-12-05)

    • Nesting synchrony and clutch size in migratory birds: Capital versus income breeding determines responses to variable spring onset 

      Ejsmond, Anna; Forchhammer, Mads; Varpe, Øystein; Jónsson, Jón Einar; Jørgensen, Christian (Journal article; Peer reviewed, 2021)
      Synchronous reproduction of birds has often been explained by benefits from nesting together, but this concept fails to explain observed intraspecific variation and climate-mediated changes of breeding synchrony. Here, we ...

    • Net cleaning impacts Atlantic salmon gill health through microbiome dysbiosis 

      Elsheshtawy, Ahmed; Clokie, Benjamin Gregory James; Albalat, Amaya; Nylund, Are; Isaksen, Trond Einar; Indrebø, Elisabeth Napsøy; Andersen, Linda; Moore, Lindsey; Mackenzie, Simon (Journal article, 2023)
      Net biofouling has a significant impact for the global salmon industry in the seawater grow-out stage in terms of its management. Current mitigation strategies occur primarily through the regular removal of biofouling using ...

    • Neural activation in photosensitive brain regions of Atlantic salmon (Salmo salar) after light stimulation 

      Eilertsen, Mariann; Clokie, Benjamin G.J.; Ebbesson, Lars; Tanase, Cristina; Migaud, Herve; Helvik, Jon Vidar (Journal article; Peer reviewed, 2021)
      Photoreceptive inputs to the teleost brain are perceived as image of the visual world and as photo-modulation of neuroendocrine and neuronal signals. The retina and pineal organ are major receptive organs with projections ...

    • A Neural Network-Based Analysis of the Seasonal Variability of Surface Total Alkalinity on the East China Sea Shelf 

      Liu, Jie; Bellerby, Richard; Li, Xiaoshuang; Wallhead, Philip; Ge, Jianzhong; Liu, Jing; Yang, Anqiang (Journal article; Peer reviewed, 2020)
      Total alkalinity (AT) is an important variable in the regulation of the seawater carbonate chemistry system, determining the capacity to buffer changes in pH. In the coastal oceans, carbonate system dynamics are controlled ...

    • Neuroendocrine factors involved in appetite control and feed intake in Atlantic salmon (Salmo salar) reared in Recirculating Aquaculture Systems (RAS). 

      Berg, Gunnar Merckoll (Master thesis, 2018-11-15)
      The control of appetite in vertebrates is a complex process that depends on a range of signals from peripheral tissues and neuro- and endocrine signals originating in the brain. The hypothalamus is believed to be the main ...

    • Neurohypophysial and paracrine vasopressinergic signaling regulates aquaporin trafficking to hydrate marine teleost oocytes 

      Ferré, Alba; Chauvigné, Francois; Gozdowska, Magdalena; Kulczykowska, Ewa; Finn, Roderick Nigel; Cerdà, Joan (Journal article; Peer reviewed, 2023)
      The dual aquaporin (Aqp1ab1/Aqp1ab2)-mediated hydration of marine teleost eggs, which occurs during oocyte meiosis resumption (maturation), is considered a key adaptation underpinning their evolutionary success in the ...

    • Neuronal cell lipidomics and role of cholesterol in α-synuclein binding and aggregation 

      Jakubec, Martin (Doctoral thesis, 2019-03-22)
      α-Synuclein is an intrinsically disordered protein whose fold and multimeric state is strongly affected by its environment. The monomers of α-synuclein are enriched in the presynaptic terminals of dopaminergic ...

    • Neutrophils in Atlantic salmon (Salmo salar L.) are MHC class II+ and secret IL-12p40 upon bacterial exposure 

      Haugland, Gyri Teien; Rønneseth, Anita; Gundersen, Lene; Lunde, Harald Sæbø; Nordland, Kaja; Wergeland, Heidrun Inger (Journal article; Peer reviewed, 2022)
      Antigen-presentation via major histocompatibility complex (MHC) to T cells is the key event to initiate adaptive immune responses. In teleosts, as in mammals, the main types of professional antigen-presenting cells (APCs) ...

    • A new aquareovirus causing high mortality in farmed Atlantic halibut fry in Norway 

      Blindheim, Steffen H.; Nylund, Are; Watanabe, Kuninori; Plarre, Heidrun; Erstad, Børre; Nylund, Stian (Peer reviewed; Journal article, 2015-01)
      A new aquareovirus was isolated from cultured Atlantic halibut (Hippoglossus hippoglossus) fry at a facility where massive mortalities had occurred during the start-feeding phase. The same virus was also detected in juveniles ...

    • New ecosystems in the deep subsurface follow the flow of water driven by geological activity 

      Borgonie, Gaetan; Magnabosco, Cara; Garcia-Moyano, Antonio; Linage-Alvarez, Borja; Ojo, Abidemi Oluranti; Freese, Leanne Brenda; van Jaarsveld, Charl; Van Rooyen, Christelle; Kuloyo, Olukayode; Cason, Errol Duncan; Vermeulen, J.; Pienaar, C.; van Heerden, Esta; Lollar, Barbara Sherwood; Onstott, Tullis C.; Mundle, Scott O.C. (Peer reviewed; Journal article, 2019-03-01)
      Eukarya have been discovered in the deep subsurface at several locations in South Africa, but how organisms reach the subsurface remains unknown. We studied river-subsurface fissure water systems and identified Eukarya ...

    • New insights into the early mechanisms of epileptogenesis in a zebrafish model of Dravet syndrome 

      Tiraboschi, Ettore; Martina, Silvia; van der Ent, Wietske; Grzyb, Kamil; Gawel, Kinga; Cordero-Maldonado, Maria Lorena; Poovathingal, Suresh K.; Heintz, Sarah; Satheesh, Somisetty Venkata; Brattespe, Jarle; Xu, Ju; Suster, Maximiliano; Skupin, Alexander; Esguerra, Camila V. (Journal article; Peer reviewed, 2020)
      Abstract Objective: To pinpoint the earliest cellular defects underlying seizure onset (epileptogenic period) during perinatal brain development in a new zebrafish model of Dravet syndrome (DS) and to investigate potential ...

    • A new intracellular bacterium, Candidatus Similichlamydia labri sp. nov. (Chlamydiaceae) producing epitheliocysts in ballan wrasse, Labrus bergylta (Pisces, Labridae) 

      Steigen, Andreas L; Karlsbakk, Egil; Plarre, Heidrun; Watanabe, Kuninori; Øvergård, Aina-Cathrine; Brevik, Øyvind Jakobsen; Nylund, Are (Peer reviewed; Journal article, 2015-03)
      Certain wrasse species (Labridae) are used as cleaner fish in salmon farms on the Norwegian coast, reducing salmon louse intensities. The pathogen repertoire of wrasse in Norway is poorly known, and the objective of the ...