Results 21 to 30 of about 6,046 (231)

Inheritance of nitrite reductase and regulation of nitrate reductase, nitrite reductase, and glutamine synthetase isozymes. [PDF]

open access: yesPlant Physiology, 1984
Banding patterns of nitrate reductase (NR), nitrite reductase (NiR), and glutamine synthetase (GS) from leaves of diploid barley (Hordeum vulgare), tetraploid wheat (Triticum durum), hexaploid wheat (Triticum aestivum), and tetraploid wild oats (Avena barbata) were compared following starch gel electrophoresis.
S, Heath-Pagliuso   +2 more
openaire   +2 more sources

Endothelial alpha globin is a nitrite reductase [PDF]

open access: yesNature Communications, 2021
Abstract Resistance artery vasodilation in response to hypoxia is essential for matching tissue oxygen and demand. In hypoxia, erythrocytic hemoglobin tetramers produce nitric oxide through nitrite reduction. We hypothesized that the alpha subunit of hemoglobin expressed in endothelium also facilitates nitrite reduction proximal to ...
T. C. Stevenson Keller   +28 more
openaire   +3 more sources

Putting xanthine oxidoreductase and aldehyde oxidase on the NO metabolism map: Nitrite reduction by molybdoenzymes

open access: yesRedox Biology, 2018
Nitric oxide radical (NO) is a signaling molecule involved in several physiological and pathological processes and a new nitrate-nitrite-NO pathway has emerged as a physiological alternative to the ''classic'' pathway of NO formation from L-arginine ...
Luisa B. Maia, José J.G. Moura
doaj   +1 more source

A Crp-dependent two-component system regulates nitrate and nitrite respiration in Shewanella oneidensis. [PDF]

open access: yesPLoS ONE, 2012
We have previously illustrated the nitrate/nitrite respiratory pathway of Shewanella oneidensis, which is renowned for its remarkable versatility in respiration.
Yangyang Dong   +5 more
doaj   +1 more source

Nitrite Biosensing via Selective Enzymes—A Long but Promising Route

open access: yesSensors, 2010
The last decades have witnessed a steady increase of the social and political awareness for the need of monitoring and controlling environmental and industrial processes.
M. Gabriela Almeida   +3 more
doaj   +1 more source

Engineering neuroglobin nitrite reductase activity based on myoglobin models

open access: yesBiochemistry and Biophysics Reports, 2023
Neuroglobin is a hemoprotein expressed in several nervous system cell lineages with yet unknown physiological functions. Neuroglobin presents a very similar structure to that of the related globins hemoglobin and myoglobin, but shows an hexacoordinate ...
Mark D. Williams   +3 more
doaj   +1 more source

Siroheme synthase orients substrates for dehydrogenase and chelatase activities in a common active site

open access: yesNature Communications, 2020
Siroheme is an essential bacterial iron tetrapyrrole used by siroheme-dependent sulfite and nitrite reductases. Here the authors shed light on the catalytic mechanisms of siroheme synthase through the structures of the bifunctional dehydrogenase ...
Joseph M. Pennington   +4 more
doaj   +1 more source

Crosstalk between nitrite, myoglobin and reactive oxygen species to regulate vasodilation under hypoxia. [PDF]

open access: yesPLoS ONE, 2014
The systemic response to decreasing oxygen levels is hypoxic vasodilation. While this mechanism has been known for more than a century, the underlying cellular events have remained incompletely understood.
Matthias Totzeck   +3 more
doaj   +1 more source

Bringing Nitric Oxide to the Molybdenum World—A Personal Perspective

open access: yesMolecules, 2023
Molybdenum-containing enzymes of the xanthine oxidase (XO) family are well known to catalyse oxygen atom transfer reactions, with the great majority of the characterised enzymes catalysing the insertion of an oxygen atom into the substrate. Although some
Luisa B. Maia
doaj   +1 more source

Recent structural insights into the function of copper nitrite reductases. [PDF]

open access: yes, 2017
Copper nitrite reductases (CuNiR) carry out the first committed step of the denitrification pathway of the global nitrogen cycle, the reduction of nitrite (NO2(-)) to nitric oxide (NO).
Kekilli, D   +7 more
core   +1 more source

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