Results 221 to 230 of about 13,465 (259)

Unraveling nitrogen uptake and metabolism: gene families, expression dynamics and functional insights in aspen (Populus tremula). [PDF]

Tree Physiol
Zhang Y, Choudhary S, Renström A, Luomaranta M, Chantreau M, Fleig V, Gaboreanu I, Grones C, Nilsson O, Robinson KM, Tuominen H.   +10 more
europepmc   +1 more source

Gene-Level Shift in Response to Synthetic Nitrogen Addition Promotes <i>Larix olgensis</i> (Ussurian Larch) Growth in a Short-Term Field Trial. [PDF]

Life (Basel)
Ameer MJ, Liu Y, Yan S, Qu T.
europepmc   +1 more source

Trace metals availability controls terminal electron acceptor utilization in Escherichia coli

Ricciardelli A, de Pins B, Brusca J, Correggia M, Di Iorio L, Cascone M, Giardina M, Castaldi S, Isticato R, Iacono R, Moracci M, Nappi N, Pollio A, Vetriani C, Leone S, Cordone A, Giovannelli D.   +16 more
europepmc   +1 more source

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Pseudoazurin–Nitrite Reductase Interactions

ChemBioChem, 2005
AbstractThe 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, Ludwig, Krippahl, Marcellus, Ubbink   +2 more
openaire   +2 more sources

Denitrification and nitrite reduction: Pseudomonas aeruginosa nitrite-reductase

Biochimie, 1984
Present 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
openaire   +2 more sources

Ferredoxin-nitrite reductase from spinach

Biochimica et Biophysica Acta (BBA) - Enzymology and Biological Oxidation, 1966
Summary 1. Nitrite reductase from a crude homogenate of spinach leaves has been purified about 500-fold and freed from NADP-reductase (EC 1.6.99.4) and nitrate reductase (EC 1.6.6.2). The enzyme, which does not seem to be a flavoprotein, catalyzes the reduction of nitrite to ammonia with a variety of enzyme systems as electron donors and requires
J M, Ramírez, F F, Del Campo, A, Paneque, M, Losada   +3 more
openaire   +2 more sources

Nitrite Reductases in Denitrification

2007
Nitrite 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
openaire   +2 more sources

[44] Nitrite reductase

1971
Publisher Summary This chapter discusses the determination of nitrite reductase. The usual assay involves sodium dithionite as reductant and either ferredoxin or its artificial substitute, methyl viologen, as the electron carrier. Enzymatic activity can be best followed by measuring colorimetrically the rate of disappearance of nitrite.
Manuel Losada, Antonio Paneque
openaire   +1 more source

A nitrite reductase from Neurospora crassa

Biochimica et Biophysica Acta, 1960
Abstract Nitrite reductase has been purified, over 50-fold from ordinary felts of Neurospora crassa, macroconidial wild type Em 5297a. The enzyme is a DPNH-dependent flavoprotein containing FAD, Fe and Cu and -SH groups. Copper may act by coupling the flavin component of the enzyme to nitrite since an external supply of Cu1+ reduced NO2 non ...
D J, NICHOLAS, A, MEDINA, O T, JONES
openaire   +2 more sources