Browsing NTNU Open by Author "Aasen, Inga Marie"
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A new Norwegian bioeconomy based on cultivation and processing of seaweeds: Opportunities and R&D needs
Skjermo, Jorunn; Aasen, Inga Marie; Arff, Johanne; Broch, Ole Jacob; Carvajal, Ana Karina; Christie, Hartvig C; Forbord, Silje; Olsen, Yngvar; Reitan, Kjell Inge; Rustad, Turid; Sandquist, Judit; Solbakken, Roar; Steinhovden, Kristine; Wittgens, Bernd; Wolff, Robert; Handå, Aleksander (Research report, 2014) -
Apparent nutrient and fatty acid digestibilities of microbial raw materials for rainbow trout (Oncorhynchus mykiss) with comparison to conventional ingredients
Sevgili, Huseyin; Sezen, Soner; Yılayaz, Adil; Aktas, Ozgur; Pak, Faruk; Aasen, Inga Marie; Reitan, Kjell Inge; Sandmann, Michael; Rohn, Sascha; Turan, Gamze; Kanyılmaz, Mahir (Peer reviewed; Journal article, 2019)Determination of apparent digestibility coefficients (ADC) of ingredients has a central importance in formulation of aquaculture diets. Heterotrophic and phototrophic grown microalgae are considered as one of the best ... -
Biodrivstoff fra tare - Fermentering av alginat til etanol
Evensen, Ida Maria (Master thesis, 2011)Bioenergi er et viktig alternativ for erstatning av petroleumsbasert drivstoff, men det er fremdeles et stort behov for forskning og utvikling av prosesser som kan bedre dagens teknologi. Bioenergi inkluderer blant annet ... -
Bruk av tare i mat
Kristoffersen, Marthe (Master thesis, 2019) -
Combined Metabolome and Lipidome analyses for in-depth characterization of lipid accumulation in the DHA producing Aurantiochytrium sp. T66
Bartosova, Zdenka; Ertesvåg, Helga; Nyfløt, Eirin Lishaugen; Kämpe, Kristoffer; Aasen, Inga Marie; Bruheim, Per (Peer reviewed; Journal article, 2021)Thraustochytrids are marine heterotrophic microorganisms known for their potential to accumulate docosahexaenoic acid (DHA)-enriched lipids. There have been many attempts to improve thraustochytrid DHA bioprocesses, ... -
Composition analysis and minimal treatments to solubilize 6 polysaccharides from the brown seaweed Laminaria digitata 7 for microbial growth of thermophiles
Allahgoli, Leila; Hakvåg, Sigrid; Aasen, Inga Marie; Brautaset, Trygve; Eva, Nordberg Karlsson (Peer reviewed; Journal article, 2020)Brown macroalgae (Phaeophyta) hold high potential as feedstock for biorefineries due to high biomass productivity and carbohydrate content. They are, however, a challenging, unconventional feedstock for microbial refining ... -
Docosahexanoic Acid (DHA) Production in the Aurantiochytrium Species T66 and S61
Doyer, Isabel (Master thesis, 2016)Enhanced growth of aquaculture is completely dependent of a sufficient supply of the essential omega-3 fatty acid, docosahexanoic acid (DHA), which has beneficial effects on human health. Increasing DHA demand requires new ... -
Draft genome sequence of the docosahexaenoic acid producing thraustochytrid Aurantiochytrium sp. T66
Liu, Bin; Ertesvåg, Helga; Aasen, Inga Marie; Vadstein, Olav; Brautaset, Trygve; Heggeset, Tonje Marita Bjerkan (Journal article; Peer reviewed, 2016)Thraustochytrids are unicellular, marine protists, and there is a growing industrial interest in these organisms, particularly because some species, including strains belonging to the genus Aurantiochytrium, accumulate ... -
Extraction and characterization of protein from Alaria esculenta, Palmaria palmata and Saccharina latissima
Lyng, Line Hovdenak (Master thesis, 2016)Global population growth stimulates the search for new, sustainable ingredients in food and feed. The largest potential for production growth is found in the ocean, including cultivation and harvesting of macroalgae. Today, ... -
In vitro screening of the prebiotic properties of the marine polysaccharides alginate, laminarin and fucoidan extracted from brown macroalgae
Skogli, Ravina Jassal (Master thesis, 2021) -
Lipid accumulation in docohexaenoic acid producing Aurantiochytrium sp. strain T66
Tronsaune, Simen Liberg (Master thesis, 2018)Docohexaenoic acid (DHA), one of the omega-3 fatty acids, is an essential nutrient for human, animal and fish health. The DHA production from fish oil resources is associated with several negative features, and microbial ... -
Lipid and DHA-production in Aurantiochytrium sp. – Responses to nitrogen starvation and oxygen limitation revealed by analyses of production kinetics and global transcriptomes
Heggeset, Tonje Marita Bjerkan; Ertesvåg, Helga; Liu, Bin; Ellingsen, Trond Erling; Vadstein, Olav; Aasen, Inga Marie (Journal article; Peer reviewed, 2019)Thraustochytrids of the genera Schizochytrium and Aurantiochytrium accumulate oils rich in the essential, marine n3 fatty acid docosahexaenoic acid (DHA). DHA production in Aurantiochytrium sp T66 was studied with the aim ... -
Managing the microbial community of marine fish larvae: a holistic perspective for larviculture
Vadstein, Olav; Attramadal, Kari; Bakke, Ingrid; Forberg, Torunn; Olsen, Yngvar; Verdegem, Marc; Giatsis, C.; Skjermo, Jorunn; Aasen, Inga Marie; Gatesoupe, Francois-Joel; Dirckens, Kristof; Sorgeloos, Patrick; Bossier, Peter (Journal article; Peer reviewed, 2018)The availability of high-quality juveniles is a bottleneck in the farming of many marine fish species. Detrimental larvae-microbe interactions are a main reason for poor viability and quality in larval rearing. In this ... -
A non-canonical Δ9-desaturase synthesizing palmitoleic acid identified in the thraustochytrid Aurantiochytrium sp. T66.
Rau, E-Ming; Aasen, Inga Marie; Ertesvåg, Helga (Journal article; Peer reviewed, 2021)Thraustochytrids are oleaginous marine eukaryotic microbes currently used to produce the essential omega-3 fatty acid docosahexaenoic acid (DHA, C22:6 n-3). To improve the production of this essential fatty acid by strain ... -
Overexpression of two new acyl-CoA:diacylglycerol acyltransferase 2-like acyl-CoA:sterol acyltransferases enhanced squalene accumulation in Aurantiochytrium limacinum
Rau, E-Ming; Bartosova, Zdenka; Kristiansen, Kåre Andre; Aasen, Inga Marie; Bruheim, Per; Ertesvåg, Helga (Peer reviewed; Journal article, 2022)Thraustochytrids are heterotrophic marine eukaryotes known to accumulate large amounts of triacylglycerols, and they also synthesize terpenoids like carotenoids and squalene, which all have an increasing market demand. ... -
Prebiotic potential of the Saccharina latissima polysaccharides alginate, laminaran, and fucoidan
Hauge, Astri Brugrand (Master thesis, 2017)With an increasing world population coupled with a higher standard of living follows an increased demand for food and feed. The utilization of the worlds land areas used for food and feed production is close to a maximum. ... -
Pro- og prebiotika for torskelarver
Flesche, Kristine (Master thesis, 2011)Dårlig overlevelse av fiskelarver grunnet sykdomsutbrudd er et stort problem innen akvakultur. Dette er i stor grad forårsaket av opportunistiske bakterier som blomstrer opp når fôr tilsettes i store mengder. Et forsøk på ... -
Production of Value-Added Chemicals by Bacillus methanolicus Strains Cultivated on Mannitol and Extracts of Seaweed Saccharina latissima at 50C
Hakvåg, Sigrid; Nærdal, Ingemar; Heggeset, Tonje Marita Bjerkan; Kristiansen, Kåre Andre; Aasen, Inga Marie; Brautaset, Trygve (Peer reviewed; Journal article, 2020)The facultative methylotroph Bacillus methanolicus MGA3 has previously been genetically engineered to overproduce the amino acids L-lysine and L-glutamate and their derivatives cadaverine and γ-aminobutyric acid (GABA) ... -
Studier av biofilmdannelse hos Pseudomonas species ved forskjellige dyrkingsmetoder
Storvoll, Eirin (Master thesis, 2011)SINTEF har en konsernsatsing innenfor systembiologi og dette omfatter blant annet forståelse og bekjempelse av biofilmer. Biofilm kan forårsake skader innenfor medisin, matindustri, havbruk og industri. På en annen side ... -
Utilizing lipidomics and fatty acid synthase inhibitors to explore lipid accumulation in two thraustochytrid species
Rau, E-Ming; Aasen, Inga Marie; Bartosova, Zdenka; Bruheim, Per; Ertesvåg, Helga (Journal article; Peer reviewed, 2023)Thraustochytrids are marine protists with an excellent ability to produce health-beneficial docosahexaenoic acid (DHA)-rich lipids. Since the demand for DHA sources for food and feed is increasing, a deeper understanding ...