Browsing Biologisk institutt by Title
Now showing items 99-118 of 118
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)Background: Tick-borne encephalitis (TBE) is among the most important vector borne diseases of humans in Europe and is currently identified as a major health problem in many countries. TBE endemic zones have expanded over ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2009)Climate change and overfishing are increasingly causing unanticipated changes in marine ecosystems (e.g. shifts in species dominance). In order to understand and anticipate these changes, there is a crucial need for ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)Many Atlantic salmon, Salmo salar, populations are decreasing throughout the species' distributional range probably due to several factors acting in concert. A number of studies have documented the influence of freshwater ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2008)Background Cyanopeptolins are nonribosomally produced heptapetides showing a highly variable composition. The cyanopeptolin synthetase operon has previously been investigated in three strains from the genera ...
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(Book / Bok / PublishedVersion, 2007)I artikkelsamlingen kan du lese om pedagogiske endringer i krysningspunktet mellom teknologi, organisering og læring. Du finner artikler fra en rekke ulike fagmiljøer som beskriver prosjekter av mange ulike slag. Erfaringene ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)Background: Outbreaks of pancreas disease (PD) greatly contribute to economic losses due to high mortality, control measures, interrupted production cycles, reduced feed conversion and flesh quality in the aquaculture ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)Seston is suspended particulate organic matter, comprising a mixture of autotrophic, heterotrophic and detrital material. Despite variable proportions of these components, marine seston often exhibits relatively small ...
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(Research report / Forskningsrapport, 1999)Målet med dette prosjektet var å studere populasjonsgenetikken til ørekyt i Norge med sikte på å få økt kunnskap om artens spredningsmekanismer. Ørekyten utvider stadig sitt leveområde, og det er uklart hvordan spredningen ...
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(Doctoral thesis / Doktoravhandling, 2011)Birdsong is a species-specific signal that is used in mate attraction and intrasexual competition. This thesis concerns song acquisition in two oscine songbird species, the great tit Parus major and the pied flycatcher ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)Background: Climate change threatens maize productivity in sub-Saharan Africa. To ensure food security, access to locally adapted genetic resources and varieties is an important adaptation measure. Most of the maize grown ...
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(Doctoral thesis / Doktoravhandling, 2011)
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2001)Type-B T cells raised against the immunodominant peptide in hen egg lysozyme (HEL(48-62)) do not respond to whole lysozyme, and this has been thought to indicate that peptide can bind to I-A(k) in different conformations. ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)Background Recent surveys of eukaryote 18S rDNA diversity in marine habitats have uncovered worldwide distribution of the heterotrophic eukaryote phylum Telonemia. Here we investigate the diversity and ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)Background The genomes of higher plants are, on the majority, polyploid, and hybridisation is more frequent in plants than in animals. Both polyploidisation and hybridisation contribute to increased ...
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(Doctoral thesis / Doktoravhandling, 2012)Phytoplankton is main producers of marine pelagic food webs, acting as link between the energy source, the sun, and consumers. Phytoplankton is an evolutionary diverse group whick is, however, traditionally assembled due ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)Background Bovine babesiosis is regarded as a limited health problem for Norwegian cows, and the incidence has decreased markedly since the 1930s. Rare cases of babesiosis in splenectomised humans from ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)Bark beetles (Coleoptera: Curculionidae, Scolytinae) feed and breed in dead or severely weakened host trees. When their population densities are high, some species aggregate on healthy host trees so that their defences may ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)Background One important physiological response to environmental stress in animals is change in gene expression. To obtain reliable data from gene expression studies using RT-qPCR it is important to evaluate ...
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(Doctoral thesis / Doktoravhandling, 2008)Imagine if salmon snared on a hook or fish caught in a net were to scream and shout when they were extracted from the water. What would sports fishing and professional fishing have been like then? Would fish farming have ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)The dinoflagellates are a diverse lineage of microbial eukaryotes. Dinoflagellate monophyly and their position within the group Alveolata are well established. However, phylogenetic relationships between dinoflagellate ...