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Mari-Ann Østensen

Mari-Ann Østensen

Senior Engineer
Department of Biology
Faculty of Natural Sciences

mari-ann.ostensen@ntnu.no
+4773596799 +4791897935 Biologisk stasjon, Trondheim
Google Scholar
About Publications Media

About

Links:

Competencies

  • Fieldwork
  • Methods in molecular biology
  • Microalgae/marine algae
  • PCR

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2021

  • Johansen, Ellie; Aberle-Malzahn, Nicole; Østensen, Mari-Ann; Majaneva, Sanna. (2021) Assessing the Value of a Citizen Science Approach for Ctenophore Identification. Frontiers in Marine Science. volum 8.
    Academic article
  • Majaneva, Sanna; Ringvold, Halldis; Johansen, Ellie; Østensen, Mari-Ann; Hosia, Aino Laila Johanna. (2021) Hiding in plain sight - Euplokamis dunlapae (Ctenophora) in Norwegian waters. Journal of Plankton Research. volum 43 (2).
    Academic article

2020

  • Jin, Yang; Olsen, Rolf Erik; Harvey, Thomas Nelson; Østensen, Mari-Ann; Li, Keshuai; Santi, Nina; Vadstein, Olav; Bones, Atle M.; Vik, Jon Olav; Sandve, Simen Rød; Olsen, Yngvar. (2020) Comparative transcriptomics reveals domestication‐associated features of Atlantic salmon lipid metabolism. Molecular Ecology. volum 29 (10).
    Academic article
  • Løvmo, Signe Dille; Madaro, Angelico; Whatmore, Paul; Bardal, Tora; Østensen, Mari-Ann; Sandve, Simen Rød; Olsen, Rolf Erik. (2020) Mid and hindgut transcriptome profiling analysis of Atlantic salmon (Salmon salar) under unpredictable chronic stress. Royal Society Open Science. volum 7 (2).
    Academic article

2019

  • Jalili, Mahsa; Jin, Yang; Bones, Atle M.; Olsen, Yngvar; Vadstein, Olav; Østensen, Mari-Ann; Buonocore, Francesco; Gerdol, Marco; Pallavicini, Alberto; Scapigliati, Giuseppe. (2019) Dietary fatty acid source has little effect on the development of the immune system in the pyloric caeca of Atlantic salmon fry. Scientific Reports. volum 9 (27).
    Academic article
  • Skottene, Elise; Tarrant, Ann M.; Olsen, Anders Johny; Altin, Dag; Østensen, Mari-Ann; Hansen, Bjørn Henrik; Choquet, Marvin; Jenssen, Bjørn Munro; Olsen, Rolf Erik. (2019) The β-oxidation pathway is downregulated during diapause termination in Calanus copepods. Scientific Reports. volum 9 (1).
    Academic article
  • Wallin, Jan-Konrad; Bading, Katharina; Østensen, Mari-Ann; Aberle-Malzahn, Nicole; Majaneva, Sanna; Ekrem, Torbjørn; Majaneva, Markus. (2019) Community dynamics and barcoding of protozooplankton in the Trondheim Fjord, Norway. Genome. volum 62 (6).
    Summary/Abstract

2018

  • Jin, Yang; Olsen, Rolf Erik; Gillard, Gareth B.; Østensen, Mari-Ann; Korsvoll, Sven A.; Santi, Nina; Vik, Jon Olav; Sandve, Simen Rød; Olsen, Yngvar. (2018) A systemic study of lipid metabolism regulation in salmon fingerlings and early juveniles fed plant oil. British Journal of Nutrition. volum 120 (6).
    Academic article
  • Jin, Yang; Olsen, Rolf Erik; Østensen, Mari-Ann; Gillard, Gareth Benjamin; Korsvoll, Sven Arild; Santi, Nina; Gjuvsland, Arne Bjørke; Vik, Jon Olav; Torgersen, Jacob Seilø; Sandve, Simen Rød; Olsen, Yngvar. (2018) Transcriptional development of phospholipid and lipoprotein metabolism in different intestinal regions of Atlantic salmon (Salmo salar) fry. BMC Genomics. volum 19.
    Academic article
  • Jin, Yang; Olsen, Rolf Erik; Østensen, Mari-Ann; Gillard, Gareth Benjamin; Li, Keshuai; Harvey, Thomas Nelson; Santi, Nina; Vadstein, Olav; Vik, Jon Olav; Sandve, Simen Rød; Olsen, Yngvar. (2018) Transcriptional regulation of lipid metabolism when salmon fry switches from endogenous to exogenous feeding. Aquaculture. volum 503.
    Academic article

2016

  • Attramadal, Kari; Minniti, Giusi; Øie, Gunvor; Kjørsvik, Elin; Østensen, Mari-Ann; Bakke, Ingrid; Vadstein, Olav. (2016) Microbial maturation of intake water at different carrying capacities affects microbial control in rearing tanks for marine fish larvae. Aquaculture. volum 457.
    Academic article

2015

  • Li, Keshuai; Olsen, Rolf Erik; Østensen, Mari-Ann; Altin, Dag; Kjørsvik, Elin; Olsen, Yngvar. (2015) Atlantic cod (Gadus morhua) larvae can biosynthesis phospholipid de novo from 2-oleoyl-glycerol and glycerol precursors. Fish Physiology & Biochemistry. volum 42 (1).
    Academic article
  • Li, Keshuai; Østensen, Mari-Ann; Attramadal, Kari; Winge, Per; Sparstad, Torfinn; Bones, Atle M.; Vadstein, Olav; Kjørsvik, Elin; Olsen, Yngvar. (2015) Gene regulation of lipid and phospholipid metabolism in Atlantic cod (Gadus morhua) larvae. Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology. volum 190.
    Academic article

2014

  • Attramadal, Kari; Minniti, Giusi; Øie, Gunvor; Kjørsvik, Elin; Østensen, Mari-Ann; Bakke, Ingrid; Vadstein, Olav. (2014) Microbial control of the rearing water of larvae. Production of ballan wrasse (Labrus bergylta). Science and Practice.
    Chapter

2013

  • Li, Keshuai; Østensen, Mari-Ann; Attramadal, Kari; Winge, Per; Sparstad, Torfinn; Bakke, Ingrid; Bones, Atle M.; Vadstein, Olav; Kjørsvik, Elin; Olsen, Yngvar. (2013) Gene regulation of Atlantic cod (Gadus morhua) larvae with focus on lipid digestion and phospholipid metabolism. Communications in agricultural and applied biological sciences. volum 78 (4).
    Academic article

2001

  • Salvesen, Ingrid; Enger, Øivind; Østensen, Mari-Ann; Skjermo, Jorunn. (2001) Microbial maturation of water: Optimization of technology and biological evaluation with scallop (Pecten maximus) larvae. 2001.
    Report
  • Salvesen, Ingrid; Salvesen, Ingrid; Enger, Ø; Enger, Ø; Østensen, Mari-Ann; Skjermo, Jorunn; Skjermo, Jorunn; Reitan, Kjell Inge; Reitan, Kjell Inge. (2001) Microbial maturation of water: Optimization of technology and biological evaluation with scallop (Pecten maximus) larvae. 2001. ISBN 82-14-02159-6. SINTEF Rapport (820004.00).
    Report

1990

  • Fjøsne, Hans Erikssønn; Østensen, Mari-Ann; Haarstad, Helge; Sunde, Arne. (1990) Androgen regulation of polyamine synthesis in seminal vesicle and in different lobes of the rat prostate. The Prostate. volum 17 (1).
    Academic article

Scientific articles

  • Johansen, Ellie; Aberle-Malzahn, Nicole; Østensen, Mari-Ann; Majaneva, Sanna. (2021) Assessing the Value of a Citizen Science Approach for Ctenophore Identification. Frontiers in Marine Science. volum 8.
    Academic article
  • Majaneva, Sanna; Ringvold, Halldis; Johansen, Ellie; Østensen, Mari-Ann; Hosia, Aino Laila Johanna. (2021) Hiding in plain sight - Euplokamis dunlapae (Ctenophora) in Norwegian waters. Journal of Plankton Research. volum 43 (2).
    Academic article
  • Jin, Yang; Olsen, Rolf Erik; Harvey, Thomas Nelson; Østensen, Mari-Ann; Li, Keshuai; Santi, Nina; Vadstein, Olav; Bones, Atle M.; Vik, Jon Olav; Sandve, Simen Rød; Olsen, Yngvar. (2020) Comparative transcriptomics reveals domestication‐associated features of Atlantic salmon lipid metabolism. Molecular Ecology. volum 29 (10).
    Academic article
  • Løvmo, Signe Dille; Madaro, Angelico; Whatmore, Paul; Bardal, Tora; Østensen, Mari-Ann; Sandve, Simen Rød; Olsen, Rolf Erik. (2020) Mid and hindgut transcriptome profiling analysis of Atlantic salmon (Salmon salar) under unpredictable chronic stress. Royal Society Open Science. volum 7 (2).
    Academic article
  • Jalili, Mahsa; Jin, Yang; Bones, Atle M.; Olsen, Yngvar; Vadstein, Olav; Østensen, Mari-Ann; Buonocore, Francesco; Gerdol, Marco; Pallavicini, Alberto; Scapigliati, Giuseppe. (2019) Dietary fatty acid source has little effect on the development of the immune system in the pyloric caeca of Atlantic salmon fry. Scientific Reports. volum 9 (27).
    Academic article
  • Skottene, Elise; Tarrant, Ann M.; Olsen, Anders Johny; Altin, Dag; Østensen, Mari-Ann; Hansen, Bjørn Henrik; Choquet, Marvin; Jenssen, Bjørn Munro; Olsen, Rolf Erik. (2019) The β-oxidation pathway is downregulated during diapause termination in Calanus copepods. Scientific Reports. volum 9 (1).
    Academic article
  • Jin, Yang; Olsen, Rolf Erik; Gillard, Gareth B.; Østensen, Mari-Ann; Korsvoll, Sven A.; Santi, Nina; Vik, Jon Olav; Sandve, Simen Rød; Olsen, Yngvar. (2018) A systemic study of lipid metabolism regulation in salmon fingerlings and early juveniles fed plant oil. British Journal of Nutrition. volum 120 (6).
    Academic article
  • Jin, Yang; Olsen, Rolf Erik; Østensen, Mari-Ann; Gillard, Gareth Benjamin; Korsvoll, Sven Arild; Santi, Nina; Gjuvsland, Arne Bjørke; Vik, Jon Olav; Torgersen, Jacob Seilø; Sandve, Simen Rød; Olsen, Yngvar. (2018) Transcriptional development of phospholipid and lipoprotein metabolism in different intestinal regions of Atlantic salmon (Salmo salar) fry. BMC Genomics. volum 19.
    Academic article
  • Jin, Yang; Olsen, Rolf Erik; Østensen, Mari-Ann; Gillard, Gareth Benjamin; Li, Keshuai; Harvey, Thomas Nelson; Santi, Nina; Vadstein, Olav; Vik, Jon Olav; Sandve, Simen Rød; Olsen, Yngvar. (2018) Transcriptional regulation of lipid metabolism when salmon fry switches from endogenous to exogenous feeding. Aquaculture. volum 503.
    Academic article
  • Attramadal, Kari; Minniti, Giusi; Øie, Gunvor; Kjørsvik, Elin; Østensen, Mari-Ann; Bakke, Ingrid; Vadstein, Olav. (2016) Microbial maturation of intake water at different carrying capacities affects microbial control in rearing tanks for marine fish larvae. Aquaculture. volum 457.
    Academic article
  • Li, Keshuai; Olsen, Rolf Erik; Østensen, Mari-Ann; Altin, Dag; Kjørsvik, Elin; Olsen, Yngvar. (2015) Atlantic cod (Gadus morhua) larvae can biosynthesis phospholipid de novo from 2-oleoyl-glycerol and glycerol precursors. Fish Physiology & Biochemistry. volum 42 (1).
    Academic article
  • Li, Keshuai; Østensen, Mari-Ann; Attramadal, Kari; Winge, Per; Sparstad, Torfinn; Bones, Atle M.; Vadstein, Olav; Kjørsvik, Elin; Olsen, Yngvar. (2015) Gene regulation of lipid and phospholipid metabolism in Atlantic cod (Gadus morhua) larvae. Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology. volum 190.
    Academic article
  • Li, Keshuai; Østensen, Mari-Ann; Attramadal, Kari; Winge, Per; Sparstad, Torfinn; Bakke, Ingrid; Bones, Atle M.; Vadstein, Olav; Kjørsvik, Elin; Olsen, Yngvar. (2013) Gene regulation of Atlantic cod (Gadus morhua) larvae with focus on lipid digestion and phospholipid metabolism. Communications in agricultural and applied biological sciences. volum 78 (4).
    Academic article
  • Fjøsne, Hans Erikssønn; Østensen, Mari-Ann; Haarstad, Helge; Sunde, Arne. (1990) Androgen regulation of polyamine synthesis in seminal vesicle and in different lobes of the rat prostate. The Prostate. volum 17 (1).
    Academic article

Journal publications

  • Wallin, Jan-Konrad; Bading, Katharina; Østensen, Mari-Ann; Aberle-Malzahn, Nicole; Majaneva, Sanna; Ekrem, Torbjørn; Majaneva, Markus. (2019) Community dynamics and barcoding of protozooplankton in the Trondheim Fjord, Norway. Genome. volum 62 (6).
    Summary/Abstract

Part of book/report

  • Attramadal, Kari; Minniti, Giusi; Øie, Gunvor; Kjørsvik, Elin; Østensen, Mari-Ann; Bakke, Ingrid; Vadstein, Olav. (2014) Microbial control of the rearing water of larvae. Production of ballan wrasse (Labrus bergylta). Science and Practice.
    Chapter

Report

  • Salvesen, Ingrid; Enger, Øivind; Østensen, Mari-Ann; Skjermo, Jorunn. (2001) Microbial maturation of water: Optimization of technology and biological evaluation with scallop (Pecten maximus) larvae. 2001.
    Report
  • Salvesen, Ingrid; Salvesen, Ingrid; Enger, Ø; Enger, Ø; Østensen, Mari-Ann; Skjermo, Jorunn; Skjermo, Jorunn; Reitan, Kjell Inge; Reitan, Kjell Inge. (2001) Microbial maturation of water: Optimization of technology and biological evaluation with scallop (Pecten maximus) larvae. 2001. ISBN 82-14-02159-6. SINTEF Rapport (820004.00).
    Report

Media

2019

  • Poster
    Wallin, Jan-Konrad; Bading, Katharina; Østensen, Mari-Ann; Aberle-Malzahn, Nicole; Majaneva, Sanna; Ekrem, Torbjørn; Majaneva, Markus. (2019) Community dynamics and barcoding of protozooplankton in the Trondheim Fjord, Norway. 8th International Barcode of Life Conference . NTNU, Artsdatabanken; Trondheim. 2019-06-17 - 2019-06-20.

2018

  • Academic lecture
    Jalili, Mahsa; Jin, Yang; Olsen, Yngvar; Bones, Atle M.; Østensen, Mari-Ann; Vadstein, Olav; buonocore, Francesco; Scapigliati, Giuseppe; Gerdol, Marco; Pallaviccini, Alberto. (2018) Dietary lipids can modify the immune-related transcriptome in Atlantic salmon: a model organism. 5th European Congress of Immunology . EFIS; Amsterdam. 2018-09-02 - 2018-09-06.

2016

  • Academic lecture
    Forberg, Torunn; Vestrum, Ragnhild Inderberg; Luef, Birgit; Winge, Per; Østensen, Mari-Ann; Olsen, Yngvar; Bakke, Ingrid; Vadstein, Olav. (2016) Host-microbe interactions in cod larvae. NBS seminar 2016 . NBS; Åre. 2016-04-06 - 2016-04-07.
  • Poster
    Jin, Yang; Olsen, Rolf Erik; Østensen, Mari-Ann; Gillard, Gareth Benjamin; Korsvoll, Sven Arild; Santi, Nina; Gjuvsland, Arne Bjørke; Vik, Jon Olav; Torgersen, Jacob Seilø; Sandve, Simen Rød; Olsen, Yngvar. (2016) MOLECULAR MECHANISMS UNDERLYING PHOSPHOLIPID METABOLISM IN STOMACH, PYLORIC CAECA AND HINDGUT OF ATLANTIC SALMON (SALMO SALAR) FRY DURING EARLY DEVELOPMENT FROM FIRST-FEEDING. 3rd INTERNATIONAL CONFERENCE ON INTEGRATIVE SALMONID BIOLOGY (ICISB 2016) . the International Cooperation to Sequence the Atlantic Salmo; PUERTO VARAS. 2016-04-24 - 2016-04-27.

2015

  • Academic lecture
    Forberg, Torunn; Vadstein, Olav; Winge, Per; Bones, Atle M.; Luef, Birgit; Østensen, Mari-Ann; Bakke, Ingrid; Vestrum, Ragnhild Inderberg; Olsen, Yngvar. (2015) Development of a gnotobiotic system for Atlantic cod (Gadus morhua) larvae to study host-microbe interactions. Gut Microbiota Modulation of Host Physiology: The Search for mechanism . Keystone symposia; Keystone, Colorado. 2015-03-01 - 2015-03-06.

2014

  • Poster
    Li, Keshuai; Østensen, Mari-Ann; Attramadal, Kari; Winge, Per; Sparstad, Torfinn; Bakke, Ingrid; Bones, Atle M.; Vadstein, Olav; Kjørsvik, Elin; Olsen, Yngvar. (2014) GENE REGULATION OF ATLANTIC COD (GADUS MORHUA) LARVAE WITH FOCUS ON LIPID DIGESTION AND PHOSPHOLIPID METABOLISM. Aquaculture Europe 2014 ; 2014-10-14 - 2014-10-17.

2013

  • Academic lecture
    Attramadal, Kari; Øie, Gunvor; Kjørsvik, Elin; Minniti, Giusi; Olsen, Yngvar; Skjermo, Jorunn; Bakke, Ingrid; Østensen, Mari-Ann; Vadstein, Olav. (2013) Control of the selective pressure on microbes in rearing tanks through manipulation of the incoming water increases survival of marine fish larvae. Conference Larvi 2013 ; Gent. 2013-09-02 - 2013-09-05.
  • Poster
    Li, Keshuai; Østensen, Mari-Ann; Attramadal, Kari; Winge, Per; Sparstad, Torfinn; Bakke, Ingrid; Bones, Atle M.; Vadstein, Olav; Kjørsvik, Elin; Olsen, Yngvar. (2013) GENE REGULATION OF ATLANTIC COD (GADUS MORHUA) LARVAE WITH FOCUS ON LIPID DIGESTION AND PHOSPHOLIPID METABOLISM. LARVI 2013 6th fish & shellfish larviculture symposium . Ghent University; Ghent. 2013-09-02 - 2013-09-05.

2009

  • Poster
    Nymark, Marianne; Valle, Kristin Collier; Brembu, Tore; Hancke, Kasper; Winge, Per; Andresen, Kjersti; Østensen, Mari-Ann; Johnsen, Geir; Bones, Atle M.. (2009) Molecular mechanisms behind acclimation to high light conditions for the marine diatom Phaeodactylum tricornutum. Plant Biology 2009 . American Society for Plant Biologists; Honolulu, Hawaii. 2009-07-18 - 2009-07-22.

2007

  • Poster
    Brembu, Tore; Valle, Kristin Collier; Størseth, T.R.; Østensen, Mari-Ann; Bjørk, Camilla; Andresen, Kjersti; Johnsen, Geir; Bones, Atle M.. (2007) The DIABOL project – mining for nanoscale structures and machinery of the diatom silica shell. Nanomat konferanse ; 2007-03-08 - 2007-03-08.

2001

  • Poster
    Vadstein, Olav; Østensen, Mari-Ann; Enger, Øivind; Salvesen, Ingrid. (2001) Describing Bacterial Community Succession: A comparison of Plate Count Based Methods and Denaturing Gradient Gel Electrophoresis using Seawater Microcosms. 9th International Symposium on Microbial Ecology . [Mangler data]; Amsterdam, Nederland, 26-31 august 2001.
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