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Steffen Leth Jørgensen

Researcher
  • E-mailSteffen.Jorgensen@uib.no
  • Phone+47 55 58 38 60
  • Visitor Address
    Realfagbygget, Allégt. 41
  • Postal Address
    Postboks 7803
    5020 Bergen

Deep biosphere

Microbial ecology 

Uncultured Archaea

geomicrobial processes

Journal articles
  • 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. Published 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. Published 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.
Reports and theses
  • 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 pages.
  • Jørgensen, Steffen Leth. 2013. Linking microbial community structures and geochemistry in deep-sea sediments & pursuing the link between identity and function. UiB. 108 pages.
  • 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 pages.

More information in national current research information system (CRIStin)

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Jørgensen S L, and Zhao, R (2016). “Microbial inventory in deeply buried oceanic crust from a young ridge flank” Frontiers in extreme microbiology http://dx.doi.org/10.3389/fmicb.2016.00820.

Spang A, 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. (2015) "Complex archaea that bridge the gap between prokaryotes and eukaryotes" Nature 521.  

Jackson M D, Gudmundsson M T, Schiffman P, Bach W, Cappelletti P, Coleman N J, Ivarsson M, Jonasson K, Jørgensen S L, Mearteinsson V, McPhie J, Moore J G, Nielson D, Rhodes J M. Rispoli C, Stefansson A, Turke A, Vanorio T, Weisenberger T B, White J D L, Zirenberg R, and Zimanowski B (2015) “Time-lapse characterization of hydrothermal seawater and microbial interactions with basaltic tephra at Surtsey volcano” Sci. Drill., 20, 51-58.

Edwards K, Bach W, Klaus A, and the Exp. 336 Scientific party (2014). “IODP Expedition 336: initiation of long-term coupled microbiological, geochemical, and hydrological experimentation within the seafloor at North Pond, western flank of the Mid-Atlantic Ridge. Sci. Drill. 17:13–18.

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).

Daae F L, Økland I, Dahle H, Jørgensen S L, Thorseth I H, and Pedersen R B (2013) “Microbial life associated with low‐temperature alteration of ultramafic rocks in the Leka ophiolite complexGeobiology 11 (4), 318-339.

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

Jaeschke A, Jørgensen S L, Bernasconi S M, Pedersen R B, Thorseth I H, and Green G I (2012)  "Microbial diversity of Loki´s Castle black smokers at the Arctic Mid-Ocean Ridge" Geomicrobiology 10(6).

Jørgensen 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 (2012) "Correlating Microbial Community Profiles with Geochemical data in highly stratified sediments from the Arctic Mid-Ocean Ridge" PNAS E2846–E2855.

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

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

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

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

 Reigstad L, Jørgensen S L, and Schleper C (2010) "Diversity and abundance of Korarchaeota in terrestrial hot springs of Iceland and Kamchatka” 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 (2010) "Discovery of a black smoker vent field and a novel vent fauna at the Arctic Mid-Ocean Ridges" Nature Communications 1:126.

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

 

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

 

  • Unveiling the deep biosphere – from empirical observation to process quantification. Funded by BFS and UiB
  • SUSTAIN. Funded by ICDP, Centre of Geobiolgy and K.g:jebsen Centre fro deep sea research

Research groups