Hopp til hovedteksten

Geir Lasse Taranger

Telefon: 901 11 596
Besøksadresse: Nordnesgaten 50, Bergen

Arbeider med

Forskningsdirektør Akvakultur, marint miljø og teknologi

Akvakulturforskning og rådgivning, akvakultur risikovurderinger, kjønnsmodning hos fisk, fiskevelferd, miljøfaktorer, oppdrettsmiljø, steril fisk

Curriculum Vitae

Name:   Taranger, Geir Lasse
Birth date:   23.11.1961, at Austevoll, Norway
Civil state:   Married, three children (14, 19 and 24 years)
Position:   Research Director Aquaculture, Marine Environment and Technology, Institute of Marine Research (IMR), P.O. Box 1870 Nordnes, 5817 Bergen, NORWAY

Summary: More than 25 years experience in aquaculture research, fish reproductive physiology, fish welfare, environmental control of reproduction, smoltification and somatic growth in fish.

Qualified as professor in Aquaculture at University of Bergen, and Principal Scientist (1183 research professor) at IMR in 2001.

Main research interest: aquaculture, environmental and hormonal regulation of puberty and spawning in fish, sterile fish, fish welfare, marine genomics, aquaculture risk assessments.

Scientific referee publications (2006-present)
ISI statistics (Nov 15):  76 papers, 2434 citations, H-index: 31

Ayllon F, Kjærner-Semb E, Furmanek T, Wennevik V, Solberg MF, Dahle G, Taranger GL, Glover KA, Almén MS, Rubin CJ, Edvardsen RB and Wargelius A.  2015. The vgll3 locus controls age at maturity in wild and domesticated Atlantic salmon (Salmo salar L.) males. Plos genetics, Nov12 2015, DOI: 10.1371/journal.pgen.1005628

Taranger GL, Muncaster S, Norberg B, Thorsen A and Andersson E. (2015). Environmental impacts on the gonadotropic system in female Atlantic salmon (Salmo salar) during vitellogenesis: Photothermal effects on pituitary gonadotropins, ovarian gonadotropin receptor expression, plasma sex steroids and oocyte growth. Gen Comp Endocrinol., 221, 86-93

Wargelius, A., Furmanek, T., Montfort, J., Le Cam, A., Kleppe, L., Juanchich, A., Edvardsen, R.B., Taranger, G.L., and Bobe, J. (2015). A Comparison Between Egg Trancriptomes of Cod and Salmon Reveals Species-Specific Traits in Eggs for Each Species. Molecular Reproduction and Development 82, 397-404.

Chauvigne, F., Zapater, C., Stavang, J.A., Taranger, G.L., Cerda, J., and Finn, R.N. (2015). The pH sensitivity of Aqp0 channels in tetraploid and diploid teleosts. Faseb Journal 29, 2172-2184.

Taranger, G.L., Karlsen, O., Bannister, R.J., Glover, K.A., Husa, V., Karlsbakk, E., Kvamme, B.O., Boxaspen, K.K., Bjorn, P.A., Finstad, B., et al. (2015). Risk assessment of the environmental impact of Norwegian Atlantic salmon farming. Ices Journal of Marine Science 72, 997-1021.

Melo, M.C., van Dijk, P., Andersson, E., Nilsen, T.O., Fjelldal, P.G., Male, R., Nijenhuis, W., Bogerd, J., Franca, L.R., Taranger GL. and Schulz, RW. (2015). Androgens directly stimulate spermatogonial differentiation in juvenile Atlantic salmon (Salmo salar). Gen Comp Endocrinol. 211, 52-61.

Kleppe, L., Edvardsen, R.B., Furmanek, T., Taranger, G.L., and Wargelius, A. (2014). Global Transcriptome Analysis Identifies Regulated Transcripts and Pathways Activated During Oogenesis and Early Embryogenesis in Atlantic Cod. Molecular Reproduction and Development 81, 619-635.

Karlsen, Ø., Mittelholzer, C., Andersson, E., Norberg, B., and Taranger, G.L. (2014). Continuous light affects onset of puberty and associated changes in pituitary gonadotropin subunit transcript levels, and plasma estradiol-17 beta and testosterone levels in Atlantic cod (Gadus morhua L.) females. Aquaculture 424, 95-103.

Melo, M.C., Andersson, E., Fjelldal, P.G., Bogerd, J., Franca, L.R., Taranger, G.L., and Schulz, R.W. (2014). Salinity and photoperiod modulate pubertal development in Atlantic salmon (Salmo salar). Journal of Endocrinology 220, 319-332.

Kleppe, L., Karlsen, Ø., Edvardsen, R.B., Norberg, B., Andersson, E., Taranger, G.L., and Wargelius, A. (2013). Cortisol treatment of prespawning female cod affects cytogenesis related factors in eggs and embryos. General and Comparative Endocrinology 189, 84-95.

Olsen, R.E., Taranger, G.L., Svåsand, T., and Skilbrei, O.T. (2013). Improved method for triacylglycerol-derived fatty acid profiling by various non-lethal and lethal sampling techniques in Atlantic salmon. Aquaculture Environment Interactions 4, 251-261.

Skulstad, O.F., Taylor, J., Davie, A., Migaud, H., Kristiansen, T., Mayer, I., Taranger, G.L., Olsen, R.E., and Karlsen, Ø. (2013). Effects of light regime on diurnal plasma melatonin levels and vertical distribution in farmed Atlantic cod (Gadus morhua L.). Aquaculture 414, 280-287.

Andersson, E., Schulz, R.W., Male, R., Bogerd, J., Patina, D., Benedet, S., Norberg, B., and Taranger, G.L. (2013). Pituitary gonadotropin and ovarian gonadotropin receptor transcript levels: Seasonal and photoperiod-induced changes in the reproductive physiology of female Atlantic salmon (Salmo salar). General and Comparative Endocrinology 191, 247-258.

Hildahl, J., Taranger, G.L., Norberg, B., Haug, T.M., and Weltzien, F.-A. (2013). Differential regulation of GnRH ligand and receptor genes in the brain and pituitary of Atlantic cod exposed to different photoperiod. General and Comparative Endocrinology 180, 7-14.

Skulstad, O.F., Karlsen, O., Fosseidengen, J.E., Kristiansen, T.S., Taranger, G.L., and Oppedal, F. (2013). Vertical distribution and sexual maturation in cage-farming of Atlantic cod (Gadus morhua L.) exposed to natural or continuous light. Aquaculture Research 44, 903-917.

Kleppe, L. Karlsen, Ø. Edvardsen, R.B., Norberg, B., Andersson, E., Furmanek, T.  Taranger G.L. and Wargelius, A.. (2013). Cortisol treatment of prespawning female cod affects cytogenesis related factors in eggs and embryos. General and Comparative Endocrinology. 189, 84–95.

Opstad, I., Fjelldal, P.G., Karlsen, O., Thorsen, A., Hansen, T.J., and Taranger, G.L. (2013). The effect of triploidization of Atlantic cod (Gadus morhua L.) on survival, growth and deformities during early life stages. Aquaculture 388, 54-59.

Kvamme, B.O., Gadan, K., Finne-Fridell, F., Niklasson, L., Sundh, H., Sundell, K., Taranger, G.L., and Evensen, O. (2013). Modulation of innate immune responses in Atlantic salmon by chronic hypoxia-induced stress. Fish & Shellfish Immunology 34, 55-65.

Hildahl, J., Taranger, G.L., Norberg, B., Haug, T.M., and Weltzien, F.A. (2013). Differential regulation of GnRH ligand and receptor genes in the brain and pituitary of Atlantic cod exposed to different photoperiod. General and Comparative Endocrinology 180, 7-14.

Kleppe, L., Edvardsen, R.B., Kuhl, H., Malde, K., Furmanek, T., Drivenes, O., Reinhardt, R., Taranger, G.L., and Wargelius, A. (2012). Maternal 3 ' UTRs: from egg to onset of zygotic transcription in Atlantic cod. Bmc Genomics 13,

Haugen, T., Almeida, F.F.L., Andersson, E., Bogerd, J., Male, R., Skaar, K.S., Schulz, R.W., Sorhus, E., Wijgerde, T., and Taranger, G.L. (2012). Sex differentiation in Atlantic cod (Gadus morhua L.): morphological and gene expression studies. Reproductive Biology and Endocrinology 10,

Drivenes, O., Taranger, G.L., and Edvardsen, R.B. (2012). Gene Expression Profiling of Atlantic Cod (Gadus morhua) Embryogenesis Using Microarray. Marine Biotechnology 14, 167-176.

Chen, S.X., Almeida, F.F.L., Andersson, E., Taranger, G.L., Schmidt, R., Schulz, R.W., and Bogerd, J. (2012). Cloning, pharmacological characterization and expression analysis of Atlantic cod (Gadus morhua, L.) nuclear progesterone receptor. General and Comparative Endocrinology 179, 71-77.

Niklasson, L., Sundh, H., Fridell, F., Taranger, G.L., and Sundell, K. (2011). Disturbance of the intestinal mucosal immune system of farmed Atlantic salmon (Salmo salar), in response to long-term hypoxic conditions. Fish & Shellfish Immunology 31, 1072-1080.

Meier, S., Morton, H.C., Andersson, E., Geffen, A.J., Taranger, G.L., Larsen, M., Petersen, M., Djurhuus, R., Klungsoyr, J., and Svardal, A. (2011). Low-dose exposure to alkylphenols adversely affects the sexual development of Atlantic cod (Gadus morhua): Acceleration of the onset of puberty and delayed seasonal gonad development in mature female cod. Aquatic Toxicology 105, 136-150.

Haugen, T., Andersson, E., Norberg, B., and Taranger, G.L. (2011). The production of hermaphrodites of Atlantic cod (Gadus morhua) by masculinization with orally administered 17-alpha-methyltestosterone, and subsequent production of all-female cod populations. Aquaculture 311, 248-254.

Edvardsen, R.B., Malde, K., Mittelholzer, C., Taranger, G.L., and Nilsen, F. (2011). EST resources and establishment and validation of a 16 k cDNA microarray from Atlantic cod (Gadus morhua). Comparative Biochemistry and Physiology D-Genomics & Proteomics 6, 23-30.

de Almeida, F.F.L., Andersson, E., Mittelholzer, C., Karlsen, O., Taranger, G.L., and Schulz, R.W. (2011). Pituitary gonadotropin and testicular gonadotropin receptor expression in Atlantic cod (Gadus morhua L.) during the first reproductive season: Effects of photoperiod modulation. General and Comparative Endocrinology 173, 111-119.

Chen, S.X., Bogerd, J., Andersson, E., Almeida, F.F.L., Taranger, G.L., and Schulz, R.W. (2011). Cloning, pharmacological characterization, and expression analysis of Atlantic salmon (Salmo salar L.) nuclear progesterone receptor. Reproduction 141, 491-500.

Taranger, G.L., Carrillo, M., Schulz, R.W., Fontaine, P., Zanuy, S., Felip, A., Weltzien, F.A., Dufour, S., Karlsen, O., Norberg, B., et al. (2010). Control of puberty in farmed fish. General and Comparative Endocrinology 165, 483-515.

Muncaster, S., Andersson, E., Kjesbu, O.S., Taranger, G.L., Skiftesvik, A.B., and Norberg, B. (2010). The reproductive cycle of female Ballan wrasse Labrus bergylta in high latitude, temperate waters. Journal of Fish Biology 77, 494-511.

Garcia-Lopez, A., de Jonge, H., Nobrega, R.H., de Waal, P.P., van Dijk, W., Hemrika, W., Taranger, G.L., Bogerd, J., and Schulz, R.W. (2010). Studies in Zebrafish Reveal Unusual Cellular Expression Patterns of Gonadotropin Receptor Messenger Ribonucleic Acids in the Testis and Unexpected Functional Differentiation of the Gonadotropins. Endocrinology 151, 2349-2360.

Fjelldal, P.G., Nordgarden, U., Wargelius, A., Taranger, G.L., Waagbo, R., and Olsen, R.E. (2010). Effects of vegetable feed ingredients on bone health in Atlantic salmon. Journal of Applied Ichthyology 26, 327-333.

Benedet, S., Andersson, E., Mittelholzer, C., Taranger, G.L., and Bjornsson, B.T. (2010). Pituitary and plasma growth hormone dynamics during sexual maturation of female Atlantic salmon. General and Comparative Endocrinology 167, 77-85.

Sundh, H., Olsen, R.E., Fridell, F., Gadan, K., Evensen, O., Glette, J., Taranger, G.L., Myklebust, R., and Sundell, K. (2009). The effect of hyperoxygenation and reduced flow in fresh water and subsequent infectious pancreatic necrosis virus challenge in sea water, on the intestinal barrier integrity in Atlantic salmon, Salmo salar L. Journal of Fish Diseases 32, 687-698.

Nielsen, E.E., Hemmer-Hansen, J., Poulsen, N.A., Loeschcke, V., Moen, T., Johansen, T., Mittelholzer, C., Taranger, G.L., Ogden, R., and Carvalho, G.R. (2009). Genomic signatures of local directional selection in a high gene flow marine organism; the Atlantic cod (Gadus morhua). Bmc Evolutionary Biology 9.

Mittelholzer, C., Andersson, E., Taranger, G.L., Karlsen, O., and Norberg, B. (2009). Quantification of gonadotropin subunits GP alpha, FSH beta, and LH beta mRNA expression from Atlantic cod (Gadus morhua) throughout a reproductive cycle. Comparative Biochemistry and Physiology B-Biochemistry & Molecular Biology 153, 288-295.

Mittelholzer, C., Andersson, E., Taranger, G.L., Consten, D., Hirai, T., Senthilkumaran, B., Nagahama, Y., and Norberg, B. (2009). Molecular characterization and quantification of the gonadotropin receptors FSH-R and LH-R from Atlantic cod (Gadus morhua). General and Comparative Endocrinology 160, 47-58.

Glover, K.A., Ottera, H., Olsen, R.E., Slinde, E., Taranger, G.L., and Skaala, O. (2009). A comparison of farmed, wild and hybrid Atlantic salmon (Salmo salar L.) reared under farming conditions. Aquaculture 286, 203-210.

Garcia-Lopez, A., Bogerd, J., Granneman, J.C.M., van Dijk, W., Trant, J.M., Taranger, G.L., and Schulz, R.W. (2009). Leydig Cells Express Follicle-Stimulating Hormone Receptors in African Catfish. Endocrinology 150, 357-365.

Andersson, E., Nijenhuis, W., Male, R., Swanson, P., Bogerd, J., Taranger, G.L., and Schulz, R.W. (2009). Pharmacological characterization, localization and quantification of expression of gonadotropin receptors in Atlantic salmon (Salmo salar L.) ovaries. General and Comparative Endocrinology 163, 329-339.

Almeida, F.F.L., Taranger, G.L., Norberg, B., Karlsen, O., Bogerd, J., and Schulz, R.W. (2009). Photoperiod-Modulated Testis Maturation in Atlantic Cod (Gadus morhua, L.). Biology of Reproduction 80, 631-640.

Vikingstad, E., Andersson, E., Norberg, B., Mayer, I., Klenke, U., Zohar, Y., Stefansson, S.O., and Taranger, G.L. (2008). The combined effects of temperature and GnRHa treatment on the final stages of sexual maturation in Atlantic salmon (Salmo salar L.) females. Fish Physiology and Biochemistry 34, 289-298.

Muncaster, S., Andersson, E., Skiftesvik, A.B., Opstad, I., Taranger, G.L., and Norberg, B. (2008). Seasonal reproductive cycle of Ballan wrasse (Labrus bergylta) in Norway. Cybium 32, 199-199.

Migaud, H., Davie, A., Taranger, G.L., Taylor, J., Martinez-Chavez, C.C., and Carrillo, M. (2008). Diversity of circadian organisation and light sensitivities among teleosts species. Cybium 32, 37-37.

Benedet, S., Bjornsson, B.T., Taranger, G.L., and Andersson, E. (2008). Cloning of somatolactin alpha, beta forms and the somatolactin receptor in Atlantic salmon: Seasonal expression profile in pituitary and ovary of maturing female broodstock. Reproductive Biology and Endocrinology 6.

Almeida, F.F.L., Kristoffersen, C., Taranger, G.L., and Schulz, R.W. (2008). Spermatogenesis in Atlantic cod (Gadus morhua): A novel model of cystic germ cell development. Biology of Reproduction 78, 27-34.

Meier, S., Andersen, T.E., Norberg, B., Thorsen, A., Taranger, G.L., Kjesbu, O.S., Dale, R., Morton, H.C., Klungsoyr, J., and Svardal, A. (2007). Effects of alkylphenols on the reproductive system of Atlantic cod (Gadus morhua). Aquatic Toxicology 81, 207-218.

Fridell, F., Gadan, K., Sundh, H., Taranger, G.L., Glette, J., Olsen, R.E., Sundell, K., and Evensen, O. (2007). Effect of hyperoxygenation and low water flow on the primary stress response and susceptibility of Atlantic salmon Salmo salar L. to experimental challenge with IPN virus. Aquaculture 270, 23-35.

Taranger, G.L., Aardal, L., Hansen, T., and Kjesbu, O.S. (2006). Continuous light delays sexual maturation and increases growth of Atlantic cod (Gadus morhua L.) in sea cages. Ices Journal of Marine Science 63, 365-375.

Oppedal, F., Berg, A., Olsen, R.E., Taranger, G.L., and Hansen, T. (2006). Photoperiod in seawater influence seasonal growth and chemical composition in autumn sea-transferred Atlantic salmon (Salmo salar L.) given two vaccines. Aquaculture 254, 396-410.

Migaud, H., Taylor, J.F., Taranger, G.L., Davie, A., Cerda-Reverter, J.M., Carrillo, M., Hansen, T., and Bromage, N.R. (2006). A comparative ex vivo and in vivo study of day and night perception in teleosts species using the melatonin rhythm. Journal of Pineal Research 41, 42-52.

Kjesbu, O.S., Taranger, G.L., and Trippel, E.A. (2006). Gadoid mariculture: Development and future challenges - Introduction. Ices Journal of Marine Science 63, 187-191.

Karlsen, O., Norberg, B., Kjesbu, O.S., and Taranger, G.L. (2006). Effects of photoperiod and exercise on growth, liver size, and age at puberty in farmed Atlantic cod (Gadus morhua L.). Ices Journal of Marine Science 63, 355-364.

Awarded for outstanding research for the benefit of Norwegian aquaculture (EWOS, Norway), together with Tom Hansen and Sigurd O. Stefansson in 1995 (Use of photoperiod treatment in salmon farming).

Awarded from ICES for the service as co-convener with Olav S. Kjesbu and Ed Trippel of the ICES symposium “Gadoid mariculture: Development and Future challenges”, Os, 2004.