Results 81 to 90 of about 42,432 (227)

Design and characterisation of synthetic operons for biohydrogen technology [PDF]

, 2016
Biohydrogen is produced by a number of microbial systems and the commonly used host bacterium Escherichia coli naturally produces hydrogen under fermentation conditions.
Lamont, Ciaran M., Sargent, Frank
core   +2 more sources

A Personal Perspective on Metalloprotein Structure and the Future of Macromolecular X‐Ray Crystallography

Journal of the Chinese Chemical Society, EarlyView.
While X‐ray crystallography has been the primary method for determining the structures of metalloproteins, cryoEM has taken over this role, illustrated by [4Fe4S]‐cluster containing proteins deposited in the Protein Data Bank. What will be the role for X‐ray crystallography as cryoEM and machine learning methods dominate the initial structural analysis?
Douglas C. Rees
wiley   +1 more source

Hydrogen Metabolism in Helicobacter pylori Plays a Role in Gastric Carcinogenesis through Facilitating CagA Translocation

mBio, 2016
A known virulence factor of Helicobacter pylori that augments gastric cancer risk is the CagA cytotoxin. A carcinogenic derivative strain, 7.13, that has a greater ability to translocate CagA exhibits much higher hydrogenase activity than its parent ...
Ge Wang, Judith Romero-Gallo, Stéphane L. Benoit, M. Blanca Piazuelo, Ricardo L. Dominguez, Douglas R. Morgan, Richard M. Peek, Robert J. Maier   +7 more
doaj   +1 more source

Boosting the Productivity of H2-Driven Biocatalysis in a Commercial Hydrogenation Flow Reactor Using H2 From Water Electrolysis

Frontiers in Chemical Engineering, 2021
Translation of redox biocatalysis into a commercial hydrogenation flow reactor, with in-built electrolytic H2 generation, was achieved using immobilized enzyme systems.
Barnabas Poznansky, Sarah E. Cleary, Lisa A. Thompson, Holly A. Reeve, Kylie A. Vincent   +4 more
doaj   +1 more source

Use of Desulfovibrio and Escherichia coli Pd-nanocatalysts in reduction of Cr(VI) and hydrogenolytic dehalogenation of polychlorinated biphenyls and used transformer oil [PDF]

, 2012
BACKGROUND Desulfovibrio spp. biofabricate metallic nanoparticles (e.g. ‘Bio-Pd’) which catalyse the reduction of Cr(VI) to Cr(III) and dehalogenate polychlorinated biphenyls (PCBs). Desulfovibrio spp.
Baxter-Plant, VS, Bennett, J. A., Deplanche, K, Humphries, AC, Macaskie, LE, Mikheenko, I. P., Redwood, MD, Wood, J.   +7 more
core   +1 more source

Prebiotic aqueous reactions catalyzed by native nickel without hydrogen

The FEBS Journal, EarlyView.
Serpentinizing (H2‐producing) hydrothermal vents are candidate environments for metabolic origin. They generate highly reducing conditions that convert CO2 to formate and methane in abiotic reactions resembling reactions of the acetyl‐CoA pathway of CO2 fixation. They also contain natural catalysts. Native nickel (Ni0), like Fe0, Co0, and their alloys,
Carolina Garcia Garcia, Max Brabender, William F. Martin   +2 more
wiley   +1 more source

Downstream Signalling from Molecular Hydrogen

Plants, 2021
Molecular hydrogen (H2) is now considered part of the suite of small molecules that can control cellular activity. As such, H2 has been suggested to be used in the therapy of diseases in humans and in plant science to enhance the growth and productivity ...
John T. Hancock, Grace Russell
doaj   +1 more source

Functional and Biogenetical Heterogeneity of the Inner Membrane of Rat-Liver Mitochondria [PDF]

, 1971
Rat liver mitochondria were fragmented by a combined technique of swelling, shrinking, and sonication. Fragments of inner membrane were separated by density gradient centrifugation.
Allmann D. W., Ashwell M., Beattie D. S., Beattie D. S., Brunner G., Burstone M. S., Davis K. A., Delbruck A., Fiske C. H., Folch J., Gear A. R. L., Gear A. R. L., Gear A. R. L., Gelder B. F., Gotterer G. S., Hasegawa E., Hawley E. S., Johnson A. B., Klingenberg M., Kuntzel H., Labbe R. F., Lentz P. E., Neupert W., Neupert W., Novikoff A. B., Ohnishi K., Omura T., Parsons D. F., Parsons D. F., Pette D., Pollak J. K., Pullmann M. E., Raw J., Raw J., Reith A., Schneider W. C., Schuel H., Schumacher H.-H., Sebald W., Sebald W., Seligman A. M., Sies H., Sottocasa G. L., Stoffel W., Strecker H. J., Swick R. W., Szarkowska L., Tabor C. W., Tol A., Vazquez J. J., Yonetani T.   +50 more
core   +1 more source

Photoinhibition of FeFe Hydrogenase [PDF]

ACS Catalysis, 2017
In the enzyme FeFe hydrogenase, hydrogen oxidation and production occur at the H-cluster, a Fe6S6 active site that bears intrinsic carbonyl and cyanide ligands. This enzyme has been coupled to photosensitizers to design H2 photoproduction systems, and yet, according to earlier reports, the enzyme from Desulfovibrio desulfuricans is "easily destroyed ...
Sensi, Matteo, Baffert, Carole, Fradale, Laura, Gauquelin, Charles, Soucaille, Philippe, Meynial Salles, Isabelle, Bottin, Herve, de Gioia, Luca, Bruschi, Maurizio, Fourmond, Vincent, Léger, Christophe, Bertini, Luca   +11 more
openaire   +4 more sources

Linking NrfD/PsrC‐like architecture to energy conservation: Functional residues in the quinone reactive QrcABCD complex of sulfate‐reducing bacteria

Protein Science, Volume 35, Issue 5, May 2026.
Abstract The QrcABCD quinone reductase complex is an electrogenic complex present in sulfate‐reducing bacteria of the Desulfobacterota phylum. It operates as a cytochrome c3:menaquinone oxidoreductase involved in electron transfer from periplasmic hydrogen or formate oxidation to the menaquinone (MK) pool.
Gonçalo Manteigas, Teresa Catarino, João B. Vicente, Américo G. Duarte, Inês A. C. Pereira   +4 more
wiley   +1 more source