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Dissimilatory Nitrite and Nitric Oxide Reductases [PDF]
Chemical Reviews, 1996 The inorganic nitrogen cycle (Figure 1) consists of several linked biological processes and one abiological process, the reaction of N2 and O2 in lightning discharges and internal combustion engines to produce NOx and, ultimately, nitrate. All of the processes except nitrogen fixation involve reduction or oxidation of species containing N-O bonds of ...
Bruce A Averill
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Nitrite reduction in bacteria: A comprehensive view of nitrite reductases
Coordination Chemistry Reviews, 2022 M Gabriela Almeida, Celia M Silveira
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A spectrophotometric assay for dissimilatory nitrite reductases
Analytical Biochemistry, 1988A spectrophotometric assay for dissimilatory nitrite reductases has been developed utilizing mammalian cytochrome c (equine heart) as reductant and spectrophotometric agent. The copper-containing nitrite reductase from Achromobacter cycloclastes has been shown to have apparent Km's for reduced cytochrome c and nitrite of 86 +/- 5 and 5.63 +/- 0.03 ...
James Tiedje, B A Averill, B A Averill
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Functional domains of assimilatory nitrate reductases and nitrite reductases
Trends in Biochemical Sciences, 1990Biochemical investigation of nitrate assimilation enzymes spans the past four decades. With the molecular cloning of genes for nitrate reductases and nitrite reductases, exciting new prospects are developing for the study of these enzymes. As large, complex enzymes with multiple redox centers, these two types of reductases should help us gain ...
Wilbur H Campbell, James R Kinghorn
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Studies on nitrite reductase in barley
Planta, 1973Nitrite reductase from barley seedlings was purified 50-60 fold by ammonium sulphate precipitation and gel filtration. No differences were established in the characteristics of nitrite reductases isolated in this way from either leaf or root tissues.
W F, Bourne, B J, Miflin
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Pseudoazurin–Nitrite Reductase Interactions
ChemBioChem, 2005AbstractThe nitrite reductase‐binding site on pseudoazurin has been determined by using NMR chemical‐shift perturbations. It comprises residues in the hydrophobic patch surrounding the exposed copper ligand His81 as well as several positively charged residues. The binding site is similar for both redox states of pseudoazurin, despite differences in the
Antonietta, Impagliazzo +2 more
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Denitrification and nitrite reduction: Pseudomonas aeruginosa nitrite-reductase
Biochimie, 1984Present knowledge of the different enzymatic steps of the denitrification chains in various bacteria, particularly Paracoccus denitrificans and Pseudomonas aeruginosa has been briefly reviewed. The question whether nitric oxide (NO), nitrous oxide (N2O) and other nitrogen derivatives are obligatory intermediates has been discussed.
Y, Henry, P, Bessières
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Octaheme nitrite reductases: Structure and properties
Biochemistry (Moscow), 2012Octaheme oxidoreductases are widespread among various bacterial taxa involved in the biogeochemical nitrogen cycle. The evolution of octaheme oxidoreductases of the nitrogen cycle from the evolutionarily more ancient pentaheme nitrite reductases was accompanied by changes in function from reduction of nitrogen oxides to their oxidation under changing ...
Vladimir Popov +2 more
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Nitrite Reductases in Denitrification
2007Nitrite reductase (NIR) is a key enzyme in the dissimilatory denitrification chain, catalyzing the reduction of NO2 - to NO. Although a matter of debate for a long time, NO is now accepted product of NO2 --reduction as an obligatory intermediate in most denitrifiers, and it is further reduced to N2O by NO reductase. Purification and characterization of
RINALDO, Serena, CUTRUZZOLA', Francesca
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Regulation of nitrite uptake and nitrite reductase expression in Chlamydomonas reinhardtii
Biochimica et Biophysica Acta (BBA) - General Subjects, 1991Expression of nitrite uptake and nitrite reductase activities has been studied in Chlamydomonas reinhardtii under different nutritional conditions. Both activities were expressed at a low level in derepressed cells (with no nitrogen source) and at a high level in induced cells (with nitrate or nitrite).
A, Galván +3 more
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