Results 71 to 80 of about 5,305 (249)

Microbial degradation of dimethylsulphide and related C1-sulphur compounds: organisms and pathways controlling fluxes of sulphur in the biosphere [PDF]

, 2010
Dimethylsulphide (DMS) plays a major role in the global sulphur cycle. It has important implications for atmospheric chemistry, climate regulation, and sulphur transport from the marine to the atmospheric and terrestrial environments.
Boden, Rich, Myronova, Natalia, Schäfer, Hendrik   +2 more
core   +1 more source

Cobalamin‐Dependent Aryl Methyl Ether O‐Demethylases: Promising Enzymes for Biocatalytic Applications from Lignin Valorization to Organic Synthesis

ChemCatChem, Volume 17, Issue 21, November 10, 2025.
Cobalamin‐dependent aryl methyl ether O‐demethylases have high potential for biocatalytic applications, including lignin valorization and synthetic chemistry. In this review, we provide a detailed overview of such O‐demethylase systems identified to date from various microorganisms, including their mechanism, substrate scope and selectivity, and ...
Niels Krabbe Johnsen, Santipap Chaiyasarn, Zheng Guo, Jaehong Han, Bekir Engin Eser   +4 more
wiley   +1 more source

A bacterial chloroform reductive dehalogenase: purification and biochemical characterization

Microbial Biotechnology, 2017
Summary We report herein the purification of a chloroform (CF)‐reducing enzyme, TmrA, from the membrane fraction of a strict anaerobe Dehalobacter sp. strain UNSWDHB to apparent homogeneity with an approximate 23‐fold increase in relative purity compared
Bat‐Erdene Jugder, Susanne Bohl, Helene Lebhar, Robert D. Healey, Mike Manefield, Christopher P. Marquis, Matthew Lee   +6 more
doaj   +1 more source

Geochemical and microbial community determinants of reductive dechlorination at a site biostimulated with glycerol [PDF]

, 2016
Biostimulation is widely used to enhance reductive dechlorination of chlorinated ethenes in contaminated aquifers. However, the knowledge on corresponding biogeochemical responses is limited. In this study glycerol was injected in an aquifer contaminated
Abelson, Aeppli, Anderson, Atashgahi, Atashgahi, Bernardet, Bernardet, Biebl, Bowman, Briée, Brown, Campbell, Canfield, Caporaso, Clarke, Damgaard, Daprato, Dennis, Dojka, Dugat-Bony, Duhamel, Duhamel, Eisenmann, Ellis, Elshahed, Freeborn, Gelder, Gihring, Gonzáles, Goris, Goris, Gu, Hamonts, Handley, Handley, He, He, Hendrickson, Hoelen, Hohnstock-Ashe, Hug, Imfeld, Imfeld, Kao, Kielhorn, Kocur, Kodama, Kodama, Lee, Lee, Lendvay, Leys, Lowe, Luijten, Luo, Lê Cao, Löffler, Löffler, Macbeth, Maillard, Major, Men, Men, Men, Merlino, Moe, Peura, Puigserver, Pérez-De-Mora, Qatibi, Qatibi, Quast, Rabus, Rahm, Ramiro-Garcia, Richardson, Ritalahti, Rossi, Rowe, Révész, Scheutz, Scheutz, Schipp, Schneidewind, Shade, Smatlak, Stroo, Sutton, Sutton, Tsai, Wilkens, Wrighton, Wrighton, Yan, Yan, Yang, Zhou, Zhuang   +97 more
core   +2 more sources

Anaerobic Limonene Metabolism in a Methanogenic Enrichment Involves a Glycine Radical Enzyme

Environmental Microbiology, Volume 27, Issue 11, November 2025.
A methanogenic enrichment culture on the natural monoterpene limonene is characterised by a novel glycine radical enzyme for anaerobic hydrocarbon activation, the presence of a microbial loop for necromass utilisation and the presence of a predator of Bacteria and Archaea. ABSTRACT Limonene is a natural monoterpene omnipresent in human environments. It
Almud Lonsing, Gerrit Alexander Martens, Anastasia Resteu, Jana Kizina, Isabella Wilkie, Alexandra Bahr, Jens Harder   +6 more
wiley   +1 more source

Identification of an Active Site-bound Nitrile Hydratase Intermediate through Single Turnover Stopped-flow Spectroscopy [PDF]

, 2013
Stopped-flow kinetic data were obtained for the iron-type nitrile hydratase from Rhodococcus equi TG328-2 (ReNHase) using methacrylonitrile as the substrate.
Gumataotao, Natalie, Hajnas, Natalia, Holz, Richard C., Kuhn, Misty L.   +3 more
core   +2 more sources

Polyphenol Oxidase Activity on Guaiacyl and Syringyl Lignin Units

Angewandte Chemie, Volume 136, Issue 48, November 25, 2024.
The conversion of lignin‐derived guaiacyl (G) and syringyl (S) compounds into methoxy‐ortho‐diphenols through oxidative ortho‐hydroxylation and ortho‐demethoxylation reactions catalyzed by novel fungal polyphenol oxidases (PPOs) is presented. The formation of o‐diphenols rather than reactive quinones can be steered by the addition of a reductant. These
Caio de O. G. Silva, Peicheng Sun, Kristian Barrett, Mark G. Sanders, Willem J. H. van Berkel, Mirjam A. Kabel, Anne S. Meyer, Jane W. Agger   +7 more
wiley   +2 more sources

Control of Metal-Catalyzed Reactions by Organic Ligands: From Corrinoid and Porphinoid Metal Complexes to Tailor-Made Catalysts for Asymmetric Synthesis

CHIMIA, 2006
Corrinoid and porphinoid metal complexes playa fundamental role in nature as catalysts for a variety of biochemical transformations. The properties of the metal ion in these complexes are strongly influenced by the macrocyclic ligand.
Andreas Pfaltz
doaj   +2 more sources

Basal gnathostomes provide unique insights into the evolution of vitamin B12 binders [PDF]

, 2014
© The Author(s), 2014. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Genome Biology and Evolution 7 (2015): 457-464, doi:10.1093/gbe/evu289.The uptake and transport of ...
Aluru, Neelakanteswar, Castro, L. Filipe C., Delgado, Ines, Lopes-Marques, Monica, Ruivo, Raquel, Wilson, Jonathan M.   +5 more
core   +1 more source

Evolutionary Trajectories of Methionine Metabolism in Mycobacterium and Its Application to Engineer a Vitamin B12 Whole‐Cell Ribosensor

Microbial Biotechnology, Volume 18, Issue 6, June 2025.
Molecular and functional experiments highlight the relevance of species‐specific polymorphisms in a B12 riboswitch of the Mycobacterium genus. This information provided proof‐of‐concept to engineer a whole‐cell biosensor capable of detecting vitamin B12. ABSTRACT Vitamin B12 metabolism differs among members of the Mycobacterium genus.
Elena Campos‐Pardos, Laura Sanz‐Asensio, Sandra Pérez‐Jiménez, Inmaculada Yruela, Bruno Contreras‐Moreira, Alejandro Toledo‐Arana, Jesús Gonzalo‐Asensio   +6 more
wiley   +1 more source