an enzyme in certain microorganisms that speeds up the reversible oxidation of hydrogen
Examples of 'hydrogenase' in a sentence
hydrogenase
The hydrogenase electrode was exposed for 38 days (912 h) to a thermophilic fermentation medium.
Sergey M. Abramov, Elmira R. Sadraddinova, Andrey I. Shestakov, Oleg G. Voronin, ArkadiyA. Karyakin, Nikolay A. Zorin, Alexander I. Netrusov 2013, 'Turning Cellulose Waste Into Electricity: Hydrogen Conversion by a Hydrogenase Electrode',PLoS ONE10.1371/journal.pone.0083004. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The genes are not part of any known hydrogenase related gene cluster.
Lindblad Peter, Batur Mehtap, Wünschiers Röbbe 2003, 'Presence and expression of hydrogenase specific C-terminal endopeptidases in cyanobacteria',BMC Microbiologyhttp://www.biomedcentral.com/1471-2180/3/8. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Thus, we engineered a hydrogenase-ferredoxin fusion that also contained several other modifications.
Isaac T. Yonemoto, Hamilton O. Smith, Philip D. Weyman 2015, 'Designed Surface Residue Substitutions in [NiFe] Hydrogenase that Improve ElectronTransfer Characteristics', International Journal of Molecular Scienceshttp://www.mdpi.com/1422-0067/16/1/2020. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These hydrogenase genes were also upregulated under low oxygen conditions.
Ahmad F. eKhadem, Arjan ePol, Adam S. eWieczorek, Mike S.M. eJetten, Huub J.M. OpDen Camp 2012, 'Metabolic regulation of 'Ca. Methylacidiphilum fumariolicum' SolV cells grown underdifferent nitrogen and oxygen limitations', Frontiers in Microbiologyhttp://journal.frontiersin.org/Journal/10.3389/fmicb.2012.00266/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The hydrogenase activity remaining after continuous operation under load was 73% of the initial value.
Sergey M. Abramov, Elmira R. Sadraddinova, Andrey I. Shestakov, Oleg G. Voronin, ArkadiyA. Karyakin, Nikolay A. Zorin, Alexander I. Netrusov 2013, 'Turning Cellulose Waste Into Electricity: Hydrogen Conversion by a Hydrogenase Electrode',PLoS ONE10.1371/journal.pone.0083004. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These measures dramatically improve in vivo hydrogenase activation.
Jon M Kuchenreuther, Celestine S Grady-Smith, Alyssa S Bingham, Simon J George, StephenP Cramer, James R Swartz 2010, 'High-yield expression of heterologous [FeFe] hydrogenases in Escherichia coli.', PLoS ONEhttp://europepmc.org/articles/PMC2991362?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The total genomes and the available marine metagenome datasets were searched for hydrogenase sequences.
Martin Barz, Christian Beimgraben, Torsten Staller, Frauke Germer, Friederike Opitz,Claudia Marquardt, Christoph Schwarz, Kirstin Gutekunst, Klaus Heinrich Vanselow,Ruth Schmitz, Julie LaRoche, Rüdiger Schulz, Jens Appel 2010, 'Distribution analysis of hydrogenases in surface waters of marine and freshwater environments.',PLoS ONEhttp://europepmc.org/articles/PMC2974642?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In other pathogenic bacteria, deletion of hydrogenase leads to a loss in acid resistance.
Faith C. Blum, Heidi Q. Hu, Stephanie L. Servetas, Stéphane L. Benoit, Robert J. Maier,Michael J. Maroney, D. Scott Merrell 2017, 'Structure-function analyses of metal-binding sites of HypA reveal residues importantfor hydrogenase maturation in Helicobacter pylori', PLOS ONE10.1371/journal.pone.0183260. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We found 400 to 2000 hydrogenase molecules per cell depending on the conditions.
Kirstin Gutekunst, Dörte Hoffmann, Ulrike Westernströer, Rüdiger Schulz, Dieter Garbe-Schönberg,Jens Appel 2018, 'In-vivo turnover frequency of the cyanobacterial NiFe-hydrogenase during photohydrogenproduction outperforms in-vitro systems', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-018-24430-y. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)