Atmospheric hydrogen scavenging: from enzymes to ecosystems

Autor: Matthew C. Taylor, Michael Berney, Ralf Conrad, Chris Greening, Robyn J. Russell, Gregory M. Cook, Kiel Hards, Philippe Constant, John G. Oakeshott, Sergio E. Morales

Publikováno v: Applied and Environmental Microbiology
Applied and Environmental Microbiology, American Society for Microbiology, 2015, 81 (4), pp.1190-9. ⟨10.1128/AEM.03364-14⟩

We have known for 40 years that soils can consume the trace amounts of molecular hydrogen (H 2 ) found in the Earth's atmosphere. This process is predicted to be the most significant term in the global hydrogen cycle. However, the organisms and enzym

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7eb6985c1c7aa9fda08a46a3bdcd973
https://hal-riip.archives-ouvertes.fr/pasteur-01352155

Electronic states of the O2-tolerant [NiFe] hydrogenase proximal cluster

Autor: Juan-Carlos Fontecilla-Camps, Patricia Amara, Jean-Marie Mouesca

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America, 2013, 110 (28), pp.E2538-E2538. ⟨10.1073/pnas.1302304110⟩
Proceedings of the National Academy of Sciences of the United States of America, National Academy of Sciences, 2013, 110 (28), pp.E2538-E2538. ⟨10.1073/pnas.1302304110⟩

Recently, Pandelia et al. (1) used density functional theory (DFT) calculations to interpret their Mossbauer experiments on the superoxidized state of the O2-tolerant hydrogenase [4Fe3S] proximal cluster. Experimentally (table 2 in ref. 1), the subsp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70b5bdbdb2f9366b741895314491f807
https://hal.science/hal-01664837

Principles of Sustained Enzymatic Hydrogen Oxidation in the Presence of Oxygen – The Crucial Influence of High Potential Fe–S Clusters in the Electron Relay of [NiFe]-Hydrogenases

Autor: Bonnie J. Murphy, Fraser A. Armstrong, Maxie M. Roessler, Juan C. Fontecilla-Camps, Alison Parkin, Rhiannon M. Evans, Anne Volbeda, Hope Adamson, Frank Sargent, Michael J. Lukey

Publikováno v: Journal of the American Chemical Society
Journal of the American Chemical Society, 2013, 135 (7), pp.2694-2707. ⟨10.1021/ja311055d⟩
Journal of the American Chemical Society, American Chemical Society, 2013, 135 (7), pp.2694-2707. ⟨10.1021/ja311055d⟩

International audience; "Hyd-1", produced by Escherichia coli , exemplifies a special class of [NiFe]-hydrogenase that can sustain high catalytic H(2) oxidation activity in the presence of O(2)-an intruder that normally incapacitates the sulfur- and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a9369d18a2de02194fdca56665cbdd6
https://hal.science/hal-01664819

Understanding and tuning the catalytic bias of hydrogenase

Autor: Sébastien Dementin, Abbas Abou Hamdan, Patrick Bertrand, Laurent Cournac, Pierre Richaud, Christophe Léger, Marc Rousset, Pierre-Pol Liebgott, Antonio L. De Lacey, Óscar Gutiérrez-Sanz

Publikováno v: Journal of the American Chemical Society
Journal of the American Chemical Society, 2012, 134 (20), pp.8368-8371. ⟨10.1021/ja301802r⟩
Journal of the American Chemical Society, American Chemical Society, 2012, 134 (20), pp.8368-71. ⟨10.1021/ja301802r⟩
Journal of the American Chemical Society, American Chemical Society, 2012, 134 (20), pp.8368-8371. ⟨10.1021/ja301802r⟩
Journal of the American Chemical Society, 2012, 134 (20), pp.8368-71. ⟨10.1021/ja301802r⟩

International audience; When enzymes are optimized for biotechnological purposes, the goal often is to increase stability or catalytic efficiency. However, many enzymes reversibly convert their substrate and product, and if one is interested in catal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bde24a994defa923f9f332ecdb3082d5
https://pubmed.ncbi.nlm.nih.gov/22540997

First molecular characterisation of hydrogenosomes in the protozoan parasite Histomonas meleagridis

Autor: Christian P. Vivarès, Muriel Mazet, John F. Alderete, Frédéric Delbac, Marie Diogon

Publikováno v: International Journal for Parasitology
International Journal for Parasitology, Elsevier, 2008, 38 (2), pp.177-90. ⟨10.1016/j.ijpara.2007.06.006⟩
International Journal for Parasitology, 2008, 38 (2), pp.177-90. ⟨10.1016/j.ijpara.2007.06.006⟩

International audience; Histomonas meleagridis is a trichomonad species that undergoes a flagellate-to-amoeba transformation during tissue invasion and causes a serious disease in gallinaceous birds (blackhead disease or histomoniasis). Living in the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d83346da49aecc738b98bee05fc10a85
https://hal.archives-ouvertes.fr/hal-00527816