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8 results on '"Kallnik, Verena"'

4. Function of ech hydrogenase in ferredoxin-dependent, membrane-bound electron transport in methanosarcina mazei

Author

Welte, Cornelia, Kallnik, Verena, Grapp, Marcel, Bender, Gunes, Ragsdale, Steve, and Deppenmeier, Uwe

Subjects
Methanobacteriaceae -- Physiological aspects, Microbial metabolism -- Research, Electron transport -- Research, Biological sciences
Abstract

Reduced ferredoxin is an intermediate in the methylotrophic and aceticlastie pathway of methanogenesis and donates electrons to membrane-integral proteins, which transfer electrons to the heterodisulfide reductase. A ferredoxin interaction has been observed previously for the Ech hydrogenase. Here we present a detailed analysis of a Methanosarcina mazei [DELTA]ech mutant which shows decreased ferredoxin-dependent membrane-bound electron transport activity, a lower growth rate, and faster substrate consumption. Evidence is presented that a second protein whose identity is unknown oxidizes reduced ferredoxin, indicating an involvement in methanogenesis from methylated [C.sub.1] compounds. doi: 10.1128/JB.01307-09

Published
2010

6. Activity-based protein profiling as a robust method for enzyme identification and screening in extremophilic Archaea

Author

Zweerink, Susanne, primary, Kallnik, Verena, additional, Ninck, Sabrina, additional, Nickel, Sabrina, additional, Verheyen, Julia, additional, Blum, Marcel, additional, Wagner, Alexander, additional, Feldmann, Ingo, additional, Sickmann, Albert, additional, Albers, Sonja-Verena, additional, Bräsen, Christopher, additional, Kaschani, Farnusch, additional, Siebers, Bettina, additional, and Kaiser, Markus, additional

Published
2017
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7. Isolation and characterization of the first Xylanolytic hyperthermophilic euryarchaeon Thermococcus sp strain 2319x1 and its unusual multidomain glycosidase

Author

Gavrilov, Sergey N., Stracke, Christina, Jensen, Kenneth, Menzel, Peter, Kallnik, Verena, Slesarev, Alexei, Sokolova, Tatyana, Zayulina, Kseniya, Bräsen, Christopher, Bonch-Osmolovskaya, Elizaveta A., Peng, Xu, Kublanov, Ilya V., Siebers, Bettina, Gavrilov, Sergey N., Stracke, Christina, Jensen, Kenneth, Menzel, Peter, Kallnik, Verena, Slesarev, Alexei, Sokolova, Tatyana, Zayulina, Kseniya, Bräsen, Christopher, Bonch-Osmolovskaya, Elizaveta A., Peng, Xu, Kublanov, Ilya V., and Siebers, Bettina

Published
2016

8. Isolation and Characterization of the First Xylanolytic Hyperthermophilic Euryarchaeon Thermococcus sp. Strain 2319x1 and Its Unusual Multidomain Glycosidase

Author

Gavrilov, Sergey N., primary, Stracke, Christina, additional, Jensen, Kenneth, additional, Menzel, Peter, additional, Kallnik, Verena, additional, Slesarev, Alexei, additional, Sokolova, Tatyana, additional, Zayulina, Kseniya, additional, Bräsen, Christopher, additional, Bonch-Osmolovskaya, Elizaveta A., additional, Peng, Xu, additional, Kublanov, Ilya V., additional, and Siebers, Bettina, additional

Published
2016
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