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Steffen Leth Jørgensens bilde

Steffen Leth Jørgensen

Forsker
  • E-postSteffen.Jorgensen@uib.no
  • Telefon+47 55 58 38 60
  • Besøksadresse
    Realfagbygget, Allègt. 41
  • Postadresse
    Postboks 7803
    5020 Bergen

 

Microbial diversity

Uncultured Archaea

Deep-sea sediments

Microbial geochemistry

 

Tidsskriftartikler
  • Hestetun, Jon Thomassen; Dahle, Håkon; Jørgensen, Steffen Leth; Olsen, Bernt Rydland; Rapp, Hans Tore. 2016. The Microbiome and Occurrence of Methanotrophy in Carnivorous Sponges. Frontiers in Microbiology. 7: 1-14. Publisert 2016-11-09. doi: 10.3389/fmicb.2016.01781
  • Jørgensen, Steffen Leth; Zhao, Rui. 2016. Microbial inventory of deeply buried oceanic crust from a young ridge flank. Frontiers in Microbiology. 7:820. doi: 10.3389/fmicb.2016.00820
  • Jackson, M.D; Gudmundsson, M T; Bach, Wolfgang; Cappelletti, P.; Coleman, N. J.; Ivarsson, M.; Jonasson, K; Jørgensen, Steffen Leth; Marteinsson, V.; McPhie, J,; Moore, J. G.; Nielson, D.; Rhodes, J. M.; Rispoli, C.; Schiffman, Peter; Stefánsson, A.; Türke, A.; Vanorio, T.; Weisenberger, T. B.; White, J. D. L.; Zierenberg, R.; Zimanowski, B. 2015. Time-lapse characterization of hydrothermal seawater and microbial interactions with basaltic tephra at Surtsey volcano. Scientific Drilling. 20: 51-58. doi: 10.5194/sd-20-51-2015
  • Spang, Anja; Saw, Jimmy H.; Jørgensen, Steffen Leth; Zaremba-Niedzwiedzka, Katarzyna; Martinj, Joran; Lind, Anders E.; van Eijk, Roel; Schleper, Christa Maria; Guy, Lionel; Ettema, Thijs J.G. 2015. Complex archaea that bridge the gap between prokaryotes and eukaryotes. Nature. 521: 173-179. doi: 10.1038/nature14447
  • Daae, Frida Lise; Økland, Ingeborg Elisabet; Dahle, Håkon; Jørgensen, Steffen Leth; Thorseth, Ingunn Hindenes; Pedersen, Rolf B. 2013. Microbial life associated with low-temperature alteration of ultramafic rocks in the Leka ophiolite complex. Geobiology. 11: 318-339. doi: 10.1111/gbi.12035
  • Jørgensen, Steffen Leth; Thorseth, Ingunn Hindenes; Pedersen, Rolf B.; Baumberger, Tamara; Schleper, Christa Maria. 2013. Quantitative and phylogenetic study of the Deep Sea Archaeal Group in sediments of the Arctic mid-ocean spreading ridge. Frontiers in Microbiology. 4: 299.
  • Jaeschke, Andrea; Jørgensen, Steffen Leth; Bernasconi, Stefano M.; Pedersen, Rolf B.; Thorseth, Ingunn Hindenes; Früh-Green, Gretchen L. 2012. Microbial diversity of Loki's Castle black smokers at the Arctic Mid-Ocean Ridge. Geobiology. 10: 548-561. doi: 10.1111/gbi.12009
  • Jørgensen, Steffen Leth; Hannisdal, Bjarte; Lanzén, Anders; Baumberger, Tamara; Flesland, Kristin; Fonseca, Rita; Øvreås, Lise; Steen, Ida Helene; Thorseth, Ingunn Hindenes; Pedersen, Rolf B.; Schleper, Christa Maria. 2012. Correlating microbial community profiles with geochemical data in highly stratified sediments from the Arctic Mid-Ocean Ridge. Proceedings of the National Academy of Sciences of the United States of America. 109: E2846-E2855. doi: 10.1073/pnas.1207574109
  • Lanzén, Anders; Jørgensen, Steffen Leth; Huson, Daniel H.; Gorfer, Markus; Grindhaug, Svenn Helge; Jonassen, Inge; Øvreås, Lise; Urich, Tim. 2012. CREST - classification resources for environmental sequence tags. PLoS ONE. 7: e49334-e49334. Publisert 2012-11-08. doi: 10.1371/journal.pone.0049334
  • Roalkvam, Irene; Dahle, Håkon; Chen, Yifeng; Jørgensen, Steffen Leth; Haflidason, Haflidi; Steen, Ida Helene. 2012. Fine-scale community structure analysis of ANME in Nyegga sediments with high and low methane flux. Frontiers in Microbiology. 3: 1-13. doi: 10.3389/fmicb.2012.00216
  • Bjelland, Torbjørg; Grube, Martin; Hoem, Solveig; Jørgensen, Steffen Leth; Daae, Frida Lise; Thorseth, Ingunn Hindenes; Øvreås, Lise. 2011. Microbial metacommunities in the lichen-rock habitat. Environmental Microbiology Reports. 3: 434-442. doi: 10.1111/j.1758-2229.2010.00206.x
  • Lanzén, Anders; Jørgensen, Steffen Leth; Bengtsson, Mia M. B.; Jonassen, Inge; Øvreås, Lise; Urich, Tim. 2011. Exploring the composition and diversity of microbial communities at the Jan Mayen hydrothermal vent field using RNA and DNA. FEMS Microbiology Ecology. 77: 577-589. doi: 10.1111/j.1574-6941.2011.01138.x
  • Reigstad, Laila Johanne; Jørgensen, Steffen Leth; Lauritzen, Stein-Erik; Schleper, Christa Maria; Urich, Tim. 2011. Sulfur-Oxidizing Chemolithotrophic Proteobacteria Dominate the Microbiota in High Arctic Thermal Springs on Svalbard. Astrobiology. 11: 665-678. doi: 10.1089/ast.2010.0551
  • Roalkvam, Irene; Jørgensen, Steffen Leth; Chen, Yifeng; Stokke, Runar; Dahle, Håkon; Hocking, William Peter; Lanzén, Anders; Haflidason, Haflidi; Steen, Ida Helene. 2011. New insight into stratification of anaerobic methanotrophs in cold seep sediments. FEMS Microbiology Ecology. 78: 233-243. doi: 10.1111/j.1574-6941.2011.01153.x
  • Bjelland, Torbjørg; Grube, Martin; Hoem, Solveig; Jørgensen, Steffen Leth; Daae, Frida Lise; Thorseth, Ingunn Hindenes; Øvreås, Lise. 2010. Microbial metacommunities in the lichen-rock habitat. Environmental Microbiology Reports. doi: 10.1111/j.1758-2229.2010.00206.x
  • Pedersen, Rolf-Birger; Rapp, Hans Tore; Thorseth, Ingunn Hindenes; Lilley, Marvin D; Barriga, Fernando; Baumberger, Tamara; Flesland, Kristin; Fonseca, Rita; Frueh-Green, Grethchen l.; Jørgensen, Steffen Leth. 2010. Discovery of a black smoker vent field and vent fauna at the Arctic Mid-Ocean Ridge. Nature Communications. 1. doi: 10.1038/ncomms1124
  • Reigstad, Laila Johanne; Jørgensen, Steffen Leth; Schleper, Christa Maria. 2010. Diversity and abundance of Korarchaeota in terrestrial hot springs of Iceland and Kamchatka. The ISME Journal. 4: 346-356. doi: 10.1038/ismej.2009.126
  • Pedersen, Rolf-Birger; Thorseth, Ingunn Hindenes; Lilley, Marvin D.; Fruh-Green, Grethchen l.; Barriga, F; Rapp, Hans Tore; Baumberger, Tamara; Flesland, Kristin; Jørgensen, Steffen Leth. 2009. Discovery of the Loki’s Castle Vent field at the ultra-slow spreading Arctic Mid-ocean ridge. Geochimica et Cosmochimica Acta. 73: A1008-A1008.
  • Øvreås, Lise; Johannesen, Torill; Jørgensen, Steffen Leth; Thorseth, Ingunn Hindenes; Pedersen, Rolf-Birger. 2009. Microbial population structure at low-temperature siliceous Fe-deposits at the Jan.-Mayen hydrothermal fields. Geochimica et Cosmochimica Acta. 73: A981-A981.
Rapporter/avhandlinger
  • Marques, Ana Filipa Alfaia; Pedersen, Rolf B.; Thorseth, Ingunn Hindenes; Baumberger, Tamara; Roerdink, Desiree; Jørgensen, Steffen Leth; Økland, Ingeborg Elisabet; Olsen, Bernd; Steen, Ida Helene; Hamelin, Cedric; Denny, Alden Ross; Bretel, Patrice. 2015. Arctic Mid-Ocean Ridge, NORMAR/CGB 2015 Test Cruise, R/V G.O.SARS, Senter for Geobiologi. Universitetet i Bergen, Bergen, Norway. 55 sider.
  • Jørgensen, Steffen Leth. 2013. Linking microbial community structures and geochemistry in deep-sea sediments & pursuing the link between identity and function. UiB. 108 sider.
  • Jørgensen, Steffen Leth; IODP exp. 336, Scientists. 2012. Mid-Atlantic Ridge Microbiology: initiation of long-term coupled microbiological, geochemical, and hydrological experimentation within the seafloor at North Pond, western flank of the Mid-Atlantic Ridge. Integrated Ocean Drilling Program Management International, Inc., for the Integrated Ocean Drilling Program. 500 sider.

Se fullstendig oversikt over publikasjoner i CRIStin.

 

Spang, Anja., Saw, J.H., Jørgensen, S.L., Zaremba-Niedzwiedzka, K., Martijn, J., Lind, A.E., van Eijk, R. Schleper, C., Guy, L., and Ettema, T.J.G. (2015) "Complex archaea that bridge the gap between prokaryotes and eukaryotes" Nature 521

Jørgensen, S.L., Thorseth, I.H., Pedersen, R.B., Baumberger, T., and Schleper, C. (2013). "Quantitative and phylogenetic study of the Deep Sea Archaeal Group in sediments of the Arctic mid-ocean spreading ridge" Frontiers in Microbiology 4(299).

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Lanzen. A., Jørgensen, S.L., Huson, D.H., Gorfer, M., Grindhaug, S.H., Jonassen, I., Øvreås, L., and Urich, T. "CREST - Classification Resources of Environmental Sequence Tags" (2012) PLOS One 7(11)

Jaeschke, A., Jørgensen, S.L., Bernasconi, S.M., Pedersen, R.B., Thorseth, I.H., and Green, G.I. "Microbial diversity of Loki´s Castle black smokers at the Arctic Mid-Ocean Ridge" (2012) Geomicrobiology

Jorgensen, S.L., Hannisdal, B., Lanzen, A., Baumberger, T., Flesland, K., Fonseca, R., Øvreås, L., Steen, I.H., Thorseth, I.H., Pedersen, R.B., and Schleper, C. "Correlating Microbial Community Profiles with Geochemical data in highly stratified sediments from the Arctic Mid-Ocean Ridge" (2012) PNAS.  

Roalkvam I, Dahle H, Chen Y, Jørgensen S.L, Haflidason H and Steen I. H. "Fine-scale community structure analysis of ANME in Nyegga sediments with high and low methane flux", (2012) Frontiers in Microbiology (3)

Lanzén A, Jørgensen S.L, Bengtsson M.M, Jonassen I, Ovreås L and Urich T. "Exploring the composition and diversity of microbial communities at the Jan Mayen hydrothermal vent field using RNA and DNA", (2011) FEMS microbiology Ecology 77(3):577-89.

Roalkvamm I, Jørgensen S.L, Chen Y, Stokke R, Dahle H, Hocking W.P, Lanzén A, Haflidason H and Steen I.H. "New insights into stratification of anaerobic methanotrophs in cold seep sediments", (2011) FEMS microbiology Ecology 78(2):233-43

Reigstad L.J, Jørgensen, S.L and Schleper C. "Diversity and abundance of Korarchaeota in terrestrial hot springs of Iceland and Kamchatka, (2010) The ISME journal 4(3):346-356

Pedersen R.B, Thorseth I.H, Lilley M, Barriga F, Baumberger T, Bernasconi-Green G, Flesland K, Fonseca, R and Jørgensen S.L. "Discovery of a black smoker vent field and a novel vent fauna at the Arctic Mid-Ocean Ridges", (2010) Nature communications 1:126

Bjelland T, Grube, M, Hoem S, Jørgensen, S.L, Daae, F.L, Thorseth I.H and Ovreas L. "Microbial metacommunities in the lichen-rock habitat, (2011) Environmental Microbiology reports 3(4):434-42

Reigstad L, Jørgensen, S.L, Lauritzen S.E, Schleper C and Urich T. "Sulfur oxidizing chemolithotrophic proteobacteria dominate the microbiota in High-Arctic thermal springs on Svalbard", (2010) Astrobiology 11(7):665-78

 

 

 

 

 

General molecular techniques, General microbiology, qPCR, microbial phylogeny, GC-MS, uncultured Archaeaprimer design, DGGE, high-throughput tag profiling. 

  • H2Deep
  • Unveiling the deep biosphere – from empirical observation to process quantification

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