Scientist profile

Tom Ole Nilsen

Researcher

Department of Biology

Marine Developmental Biology

Title: Researcher

Phone: +47 55 58 44 16

E-mail: Tom.Nilsen@bio.uib.no

Visiting address: Thormøhlensgt. 53 A/B

Room number: 340A2

Education:

2007 Ph.D. University of Bergen, Department of Biology. Thesis title “Molecular and endocrine aspects of hypo-osmoregulatory development in Atlantic salmon (Salmo salar L.),” ISBN 978-82-308-0456-8.

2002 Cand. Cient., (M.Sc.), University of Bergen, Department of Fisheries and Marine Biology

1999 Høyskolekandidat (B.Sc.) in aquaculture biology, Sogndal College

Professional Experience:

University of Bergen, Dept. of Biology, Research Scientist, 2010 - present

Conte Anadromous Fish Research Center, USGS, Biological Resources Division, Turners Falls, MA, USA, Postdoctoral Fellow (with Stephen D. McCormick, 15 months), 2008 – 2009

University of Bergen, Dept. of Biology, Postdoctoral Fellow, 2007 – 2009

Publications in Cristin

Publications in Per-Review Journals

Stefansson, S.O., Haugland, M., Björnsson, B.Th., McCormick, S.D., Holm, M., Ebbesson, L.O.E., Holst, J.C., Nilsen, T.O., (2012). Growth, osmoregulation and endocrine changes in wild Atlantic salmon post-smolts during marine migration. Aquaculture (in press).

Kroglund, K., Finstad, B., Pettersen, K., Teien, H.C., Salbu, B., Rosseland, Rosseland, B.O., Nilsen, T.O., Stefansson, S.O., Ebbesson, L.O.E., Nilsen, R., Bjørn, P.A., Kristensen, T., (2012). Recovery rates in Atlantic salmon smolt following aluminum exposure defined by changes in blood physiology and seawater tolerance. Aquaculture (in press).

Finstad, B., Kroglund, K., Bjørn, P.A., Pettersen, K., Rosseland, B.O., Teien, H.C., Nilsen, T.O., Stefansson, S.O., Salbu, B., Nilsen, R., Fiske, P., Ebbesson, L.O.E., (2012). Salmon lice induced mortality of Atlantic salmon postsmolts experiencing episodic acidification and recovery in freshwater. Aquaculture (in press).

Kling, P., Bergman, E.J., Nilsen, T.O., Einarsdottir, I.E., Rønnestad, I., Stefansson, S.O., Björnsson, B.Th. (2012). The role of growth hormone in growth, lipid homeostasis, energy utilization and partitioning in rainbow trout: interactions with insulin-like growth factor I, ghrelin and leptin. General and comparative endocrinology 175, 153-162.

Ebbesson, L.O.E., Nilsen, T.O., Helvik, J.V., Tronci, V., Stefansson, S.O. (2011). Corticotropin-releasing factor neurogenesis during midlife development in salmon: genetic, environment and thyroid hormone regulation. Journal of Neuroendocrinology 23, 733-741.

Murashita, K., Jordal, A. E. O., Nilsen, T.O., Stefansson, S.O., Kurokawa, T., Björnsson, B.Th., Gamst-Moen, A.G., Rønnestad, I., (2010). Leptin reduces Atlantic salmon growth through the central pro-opiomelanocortin pathway. Comparative Biochemistry and physiology Part A 158, 79-86.

Nilsen, T.O., Ebbesson, L.O.E., Kverneland, O.G., Kroglund, F. Finstad, B., Stefansson, S.O., (2010). Effects of acidic water and aluminum exposure on gill Na⁺, K⁺ ATPase – α subunit isoforms, enzyme activity, physiology and return rates in Atlantic salmon (Salmo salar L.). Aquatic Toxicology 97, 250-259.

Rønnestad, I., Nilsen, T.O., Murashita, K., Angotzi, A.R., Gamst Moen, A.G., Stefansson, S.O., Björnsson, B.Th., Kling, P., Kurokawa, T., (2010). Leptin and leptin receptor genes in Atlantic salmon: cloning, phylogeny, tissue distribution and expression correlated to long-term feeding status. General and comparative endocrinology 168, 55-70.

Murashita, K., Kurokawa, T., Nilsen, T.O., Rønnestad, I., (2009). Ghrelin, cholecystokinin and peptide YY in Atlantic salmon (Salmo salar): molecular cloning and tissue expression. General and comparative endocrinology 160, 223-235.

Nilsen, T.O., Ebbesson, L.O.E., Kiilerich, P., Björnsson, B.Th., Madsen, S.S., McCormick, S.D., Stefansson, S.O., (2008). Endocrine systems in juvenile anadromous and landlocked Atlantic salmon (Salmo salar): Seasonal development and seawater acclimation. General and comparative endocrinology 155, 762-772.

Tipsmark, C.K., Kiilerich, P., Nilsen, T.O., Ebbesson, L.O.E., Stefansson, S.O., Madsen, S.S. (2008). Branchial Expression Patterns of Claudin Isoforms in Atlantic Salmon During Seawater Acclimation and Smoltification. Am J Physiol Regul Integr Comp Physiol. 294, R1563-R1574.

Nilsen, T.O., Ebbesson, L.O.E., Madsen, S.S., McCormick, S.D., Andersson, E., Björnsson, B.Th., Prunet, P., Stefansson, S.O., (2007). Differential expression of gill Na⁺, K⁺-ATPase α & β subunits, Na⁺, K⁺, 2Cl^- cotransporter and CFTR anion channel in juvenile anadromous and landlocked Atlantic salmon (Salmo salar). The Journal of Experimental Biology 210, 2885-2896.

Stefansson, S.O, Nilsen, T.O., Ebbesson, L.O.E., Wargelius, A., Madsen, S.S., Björnsson, B.Th., McCormick, S.D., (2007). Molecular mechanisms of continuous-light inhibition of Atlantic salmon parr-smolt transformation. Aquaculture 273, 235-245.

Ebbesson, L.O.E., Ebbesson, S.O.E., Nilsen, T.O., Stefansson, S.O., Holmqvist, B., (2007). Exposure to continuous light disrupts retinal innervation of the preoptic nucleus during parr-smolt transformation in salmon. Aquaculture 273, 345-349.

Kroglund, F., Finstad, B., Stefansson, S.O., Nilsen, T.O., Kristensen, T. Rosseland, B.O., Teien, H.C., Salbu, B., (2007). Exposure to moderate acid water and aluminum reduces Atlantic salmon postsmolt survival. Aquaculture 273, 360-373.

Finstad, B., Kroglund, F., Strand, R., Stefansson, S.O., Bjørn, P.A., Rosseland, B.O., Nilsen, T.O., Salbu, B., (2007). Salmon lice or suboptimal water quality – reasons for reduced postsmolt survival? Aquaculture 273, 374-383.

Rønnestad, I., Gavaia, P.J., Viegas, C.S.B., Verri, T., Romano, A., Nilsen, T.O., Jordal, A.J., Kamisaka, Y., Cancela, M.L., (2007). Oligopeptide transporter PepT1 in Atlantic cod (Gadus morhua L.): cloning, tissue expression and comparative aspects. The Journal of Experimental Biology 210, 3883-3896.

Ebbesson, L.O.E., Tipsmark, C.K., Holmqvist, B., Nilsen, T.O., Andersson, E., Stefansson, S.O., Madsen, S.S., (2005). Nitric oxide producing cells in the gill of Atlantic salmon and their inhibition of Na+,K+-ATPase activity. The Journal of Experimental Biology 208, 1011-1017.

Olsvik, P. A., Lie, K. K., Jordal, A. E. O., Nilsen, T.O., Hordvik, I., (2005). Evaluation of potential reference genes in real-time RT-PCR studies of Atlantic salmon. Bmc Molecular Biology 6:21, 1-9.

Nilsen, T.O., Ebbesson, L.O.E., Stefansson, S. O., 2003. Smolting in anadromous and landlocked strains of Atlantic salmon (Salmo salar). Aquaculture 222, 71-82.

Book Chapter

Stefansson, S.O., Bjerknes, V., Bjørn, P.A., Bæverfjord, G., Finn, R.N., Finstad, B., Fivelstad, S., Handeland, S.O., Hosfeld, C.D., Kristensen, T., Kroglund, K., Nilsen, T.O., Rosseland, B.O., Rosten, T., Salbu, B., Teien, H.C., Toften, H., Åtland, Å. (2007). Fysiologiske egenskaper ved rogn, yngel og smolt. In: Bjerknes, V. (ed), Vannkvalitet og smoltproduksjon: Juul forlag 2007. ISBN 978-82-8090-018-0. s. 94-123. (In Norwegian).

Publications in popular Science Journals