Articles with "nitrite reductase" as a keyword



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Revisiting the nitrite reductase activity of hemoglobin with differential pulse voltammetry.

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Published in 2020 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2019.12.071

Abstract: Nitric oxide (NO) is an omnipresent signalling molecule in all vertebrates. NO modulates blood flow and neural activity. Nitrite anion is one of the most important sources of NO. Nitrite is reduced to NO by… read more here.

Keywords: reduction; hemoglobin; nitrite reductase; reductase activity ... See more keywords
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Impaired xanthine oxidoreductase (XOR)-mediated nitrite reductase activity possibly involved in the lack of antihypertensive effects of XOR inhibitors

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Published in 2017 at "Hypertension Research"

DOI: 10.1038/hr.2016.138

Abstract: Impaired xanthine oxidoreductase (XOR)-mediated nitrite reductase activity possibly involved in the lack of antihypertensive effects of XOR inhibitors read more here.

Keywords: oxidoreductase xor; impaired xanthine; nitrite reductase; mediated nitrite ... See more keywords
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A three-domain copper-nitrite reductase with a unique sensing loop

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Published in 2019 at "IUCrJ"

DOI: 10.1107/s2052252519000241

Abstract: TsNirK is the first three-copper three-domain nitrite reductase harbouring Gln-coordinated type 1 copper centres. All the structural properties of TsNirK point to an enzyme that, despite having several of the essential catalytic features present in… read more here.

Keywords: nitrite reductase; three domain; sensing loop; copper ... See more keywords
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Depth distributions of Nitrite Reductase (nirK) Gene Variants Reveal Spatial Dynamics of Thaumarchaeal Ecotype Populations in Coastal Monterey Bay.

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Published in 2019 at "Environmental microbiology"

DOI: 10.1111/1462-2920.14753

Abstract: Ammonia-oxidizing archaea (AOA) of the phylum Thaumarchaeota are key players in nutrient cycling, yet large gaps remain in our understanding of their ecology and metabolism. Despite multiple lines of evidence pointing to a central role… read more here.

Keywords: coastal monterey; ecotype populations; reductase nirk; nitrite reductase ... See more keywords

Solution Structure Determination of a Copper-containing Nitrite Reductase of Achromobacter cycloclastes by Small Angle Neutron Scattering

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Published in 2018 at "Chemistry Letters"

DOI: 10.1246/cl.180152

Abstract: A copper-containing nitrite reductase (NiR) catalyzes NO2- reduction in denitrifying bacteria. The reaction mechanism was proposed based on the trimeric crystal structure. In this study, a small angle neutron scattering (SANS) experiment of NiR from… read more here.

Keywords: small angle; copper containing; nitrite reductase; containing nitrite ... See more keywords

Presence of Cu-Type (NirK) and cd1-Type (NirS) Nitrite Reductase Genes in the Denitrifying Bacterium Bradyrhizobium nitroreducens sp. nov.

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Published in 2018 at "Microbes and Environments"

DOI: 10.1264/jsme2.me18039

Abstract: Nitrite reductase is a key enzyme for denitrification. There are two types of nitrite reductases: copper-containing NirK and cytochrome cd1-containing NirS. Most denitrifiers possess either nirK or nirS, although a few strains been reported to… read more here.

Keywords: denitrifying bacterium; bradyrhizobium nitroreducens; nitrite reductase; bacterium bradyrhizobium ... See more keywords
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The nitrite reductase encoded by nirBDs in Pseudomonas putida Y-9 influences ammonium transformation

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Published in 2022 at "Frontiers in Microbiology"

DOI: 10.3389/fmicb.2022.982674

Abstract: It is unknown whether nirBDs, which conventionally encode an NADH nitrite reductase, play other novel roles in nitrogen cycling. In this study, we explored the role of nirBDs in the nitrogen cycling of Pseudomonas putida… read more here.

Keywords: ammonium; ammonium transformation; strain; nitrite reductase ... See more keywords
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Nitrite-Mediated Hypoxic Vasodilation Predicted from Mathematical Modeling and Quantified from in Vivo Studies in Rat Mesentery

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Published in 2017 at "Frontiers in Physiology"

DOI: 10.3389/fphys.2017.01053

Abstract: Nitric oxide (NO) generated from nitrite through nitrite reductase activity in red blood cells has been proposed to play a major role in hypoxic vasodilation. However, we have previously predicted from mathematical modeling that much… read more here.

Keywords: nitrite reductase; reductase activity; vasodilation; nitrite mediated ... See more keywords
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Nitrite Reductase Activity of Ferrous Nitrobindins: A Comparative Study

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Published in 2023 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms24076553

Abstract: Nitrobindins (Nbs) are all-β-barrel heme proteins spanning from bacteria to Homo sapiens. They inactivate reactive nitrogen species by sequestering NO, converting NO to HNO2, and promoting peroxynitrite isomerization to NO3−. Here, the nitrite reductase activity… read more here.

Keywords: activity ferrous; ferrous nitrobindins; nitrite reductase; activity ... See more keywords