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Martin Könneke

Researcher at University of Bremen

Publications -  48
Citations -  7827

Martin Könneke is an academic researcher from University of Bremen. The author has contributed to research in topics: Nitrosopumilus & Thaumarchaeota. The author has an hindex of 29, co-authored 47 publications receiving 6809 citations. Previous affiliations of Martin Könneke include University of Oldenburg & University of Washington.

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Isolation of an autotrophic ammonia-oxidizing marine archaeon

TL;DR: The isolation of a marine crenarchaeote that grows chemolithoautotrophically by aerobically oxidizing ammonia to nitrite—the first observation of nitrification in the Archaea is reported, suggesting that nitrifying marine Cren archaeota may be important to global carbon and nitrogen cycles.
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Nitrososphaera viennensis, an ammonia oxidizing archaeon from soil

TL;DR: The cultivation and isolation of an AOA from soil is described, showing it grows on ammonia or urea as an energy source and is capable of using higher ammonia concentrations than the marine isolate, Nitrosopumilus maritimus.
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Cultivation of a thermophilic ammonia oxidizing archaeon synthesizing crenarchaeol.

TL;DR: The cultivation of a thermophilic nitrifier ('Candidatus Nitrosocaldus yellowstonii'), an autotrophic crenarchaeote growing up to 74 degrees C by aerobic ammonia oxidation, providing the first direct evidence for its synthesis by a thermophile.
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Ammonia-oxidizing archaea use the most energy-efficient aerobic pathway for CO2 fixation

TL;DR: In this paper, the authors provide biochemical evidence that thaumarchaeal ammonia oxidizers assimilate inorganic carbon via a modified version of the autotrophic hydroxypropionate/hydroxybutyrate cycle of Crenarchaeota, which is far more energy efficient than any other aerobic autoregressive pathway.