Browsing Department of Earth Science by Author "Thorseth, Ingunn Hindenes"
Now showing items 1-6 of 6
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Ammonia-oxidizing archaea have similar power requirements in diverse marine oxic sediments
Zhao, Rui; Mogollon, Jose M; Roerdink, Desiree Lisette; Thorseth, Ingunn Hindenes; Økland, Ingeborg Elisabet; Jørgensen, Steffen Leth (Journal article; Peer reviewed, 2021)Energy/power availability is regarded as one of the ultimate controlling factors of microbial abundance in the deep biosphere, where fewer cells are found in habitats of lower energy availability. A critical assumption ... -
A late Paleoproterozoic (1.74 Ga) deep-sea, low-temperature, iron-oxidizing microbial hydrothermal vent community from Arizona, USA
Little, Crispin T.S.; Johannessen, Karen Cecilie; Bengtson, Stefan; Chan, Clara S.; Ivarsson, M.; Slack, John F.; Broman, Curt; Thorseth, Ingunn Hindenes; Grenne, Tor; Rouxel, Olivier J.; Bekker, Andrey (Journal article; Peer reviewed, 2021)Modern marine hydrothermal vents occur in a wide variety of tectonic settings and are characterized by seafloor emission of fluids rich in dissolved chemicals and rapid mineral precipitation. Some hydrothermal systems vent ... -
Mapping Microbial Abundance and Prevalence to Changing Oxygen Concentration in Deep-Sea Sediments Using Machine Learning and Differential Abundance
Møller, Tor Einar; Moine-Bauer, Sven Le; Hannisdal, Bjarte; Zhao, Rui; Baumberger, Tamara; Roerdink, Desiree Lisette; Dupuis, Amandine; Thorseth, Ingunn Hindenes; Pedersen, Rolf B.; Jørgensen, Steffen Leth (Journal article; Peer reviewed, 2022)Oxygen constitutes one of the strongest factors explaining microbial taxonomic variability in deep-sea sediments. However, deep-sea microbiome studies often lack the spatial resolution to study the oxygen gradient and ... -
Nitrite accumulation and anammox bacterial niche partitioning in Arctic Mid-Ocean Ridge sediments
Zhao, Rui; Babbin, AR; Roerdink, Desiree Lisette; Thorseth, Ingunn Hindenes; Jørgensen, Steffen Leth (Journal article; Peer reviewed, 2023)By consuming ammonium and nitrite, anammox bacteria form an important functional guild in nitrogen cycling in many environments, including marine sediments. However, their distribution and impact on the important substrate ... -
On the biogenicity of Fe-oxyhydroxide filaments in silicified low-temperature hydrothermal deposits: Implications for the identification of Fe-oxidizing bacteria in the rock record
Johannessen, Karen Cecilie; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes (Peer reviewed; Journal article, 2020)Microaerophilic Fe(II)‐oxidizing bacteria produce biomineralized twisted and branched stalks, which are promising biosignatures of microbial Fe oxidation in ancient jaspers and iron formations. Extracellular Fe stalks ... -
The role of authigenic sulfides in immobilization of potentially toxic metals in the Bagno Bory wetland, southern Poland
Smieja-Król, Beata; Janeczek, Janusz; Bauerek, Arkadiusz; Thorseth, Ingunn Hindenes (Peer reviewed; Journal article, 2015-10)The supply of Cd, Cu, Fe, Pb, Zn, and Tl into a wetland in the industrial area of Upper Silesia, southern Poland via atmospheric precipitation and dust deposition has been counterbalanced by the biogenic metal sulfide ...