Results 41 to 50 of about 117,075 (151)

Chemical pathways and kinetic rates of the N(4S) + N2 → N3 solid phase reaction: could the N3 radical be a temperature sensor of nitrogen ices in dense molecular clouds? [PDF]

Monthly Notices of the Royal Astronomical Society, 2017
Even though the N 3 radical has not yet been detected in the interstellar medium, its formation still remains a challenge. For a long time, bombardments of N 2 ices by energetic particles were the only way to from the azide radical as it was thought that ultraviolet (UV) photons were not strong enough to fragment the molecular nitrogen into N atoms ...
Mencos, Alejandro, Nourry, Sendres, Krim, Lahouari   +2 more
openaire   +2 more sources

Proteomics Reveal the Effect of Exogenous Electrons on Electroactive Escherichia coli

Frontiers in Microbiology, 2022
Microbial cells utilizing electricity to produce high-value fuels and chemicals are the foundation of the biocathodic bioelectrochemical system. However, molecular mechanisms of electron transfer and utilization have not been elucidated.
Jiao Feng, Jia Feng, Chunqiu Li, Sheng Xu, Xin Wang, Kequan Chen   +5 more
doaj   +1 more source

Proteomics and Metabolomics Analyses to Elucidate the Desulfurization Pathway of Chelatococcus sp. [PDF]

PLoS ONE, 2016
Desulfurization of dibenzothiophene (DBT) and alkylated DBT derivatives present in transport fuel through specific cleavage of carbon-sulfur (C-S) bonds by a newly isolated bacterium Chelatococcus sp. is reported for the first time.
Naba K Bordoloi, Pabitra Bhagowati, Mihir K Chaudhuri, Ashis K Mukherjee   +3 more
doaj   +1 more source

Isoprenoid Biosynthesis through the Methylerythritol Phosphate Pathway: The (E)-4-Hydroxy-3-methylbut-2-enyl Diphosphate Synthase (GcpE) is a [4Fe–4S] Protein

Angewandte Chemie International Edition, 2002
nitrilotriaceticacidagarosecolumn. The enzyme was found to be 95% pure by SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electro-phoresis) and presented an apparent molecular mass of43kDa.
Seemann, Myriam, Tse-Sum-Bui, Bernadette, Wolff, Murielle, Tritsch, Denis, Campos Martínez, Narciso, Boronat i Margosa, Albert, Marquet, Andrée, Rohmer, Michel   +7 more
openaire   +3 more sources

A bacteria-specific 2[4Fe-4S] ferredoxin is essential in Pseudomonas aeruginosa

BMC Microbiology, 2010
Background Ferredoxins are small iron-sulfur proteins belonging to all domains of life. A sub-group binds two [4Fe-4S] clusters with unequal and extremely low values of the reduction potentials.
Diallinas George, Peteinatos Panagiotis, Efthymiou Georgios, Elsen Sylvie, Kyritsis Panayotis, Moulis Jean-Marc   +5 more
doaj   +1 more source

Utilizing a dynamical description of IspH to aid in the development of novel antimicrobial drugs. [PDF]

PLoS Computational Biology, 2013
The nonmevalonate pathway is responsible for isoprenoid production in microbes, including H. pylori, M. tuberculosis and P. falciparum, but is nonexistent in humans, thus providing a desirable route for antibacterial and antimalarial drug discovery.
Patrick G Blachly, César A F de Oliveira, Sarah L Williams, J Andrew McCammon   +3 more
doaj   +1 more source

Enhancement of dibenzothiophene biodesulfurization by weakening the feedback inhibition effects based on a systematic understanding of the biodesulfurization mechanism by Gordonia sp. through the potential “4S” pathway

RSC Advances, 2016
Gordonia sp. JDZX13 (source: industrial petroleum soil) shows good potential for dibenzothiophene (DBT) biodesulfurization.
Shoushuai Feng, Hailin Yang, Xiao Zhan, Wu Wang   +3 more
openaire   +1 more source

Functional analysis of the methylerythritol phosphate pathway terminal enzymes IspG and IspH from Zymomonas mobilis

Microbiology Spectrum
Isoprenoids are a diverse family of compounds that are synthesized from two isomeric compounds, isopentenyl diphosphate and dimethylallyl diphosphate. In most bacteria, isoprenoids are produced from the essential methylerythritol phosphate (MEP) pathway.
Jyotsna Misra, Erin L. Mettert, Patricia J. Kiley   +2 more
doaj   +1 more source

Structural insight on the mechanism of an electron-bifurcating [FeFe] hydrogenase

eLife, 2022
Electron bifurcation is a fundamental energy conservation mechanism in nature in which two electrons from an intermediate-potential electron donor are split so that one is sent along a high-potential pathway to a high-potential acceptor and the other is ...
Chris Furlan, Nipa Chongdar, Pooja Gupta, Wolfgang Lubitz, Hideaki Ogata, James N Blaza, James A Birrell   +6 more
doaj   +1 more source

Characterization of the RnfB and RnfG subunits of the Rnf complex from the archaeon Methanosarcina acetivorans.

PLoS ONE, 2014
Rnf complexes are redox-driven ion pumps identified in diverse species from the domains Bacteria and Archaea, biochemical characterizations of which are reported for two species from the domain Bacteria.
Suharti Suharti, Mingyu Wang, Simon de Vries, James G Ferry   +3 more
doaj   +1 more source