Results 61 to 70 of about 36,622 (311)

Clustering as a Means To Control Nitrate Respiration Efficiency and Toxicity in Escherichia coli

open access: yesmBio, 2019
Respiration is a fundamental process that has to optimally respond to metabolic demand and environmental changes. We previously showed that nitrate respiration, crucial for gut colonization by enterobacteria, is controlled by polar clustering of the ...
Suzy Bulot   +8 more
doaj   +1 more source

New insights into the role of chrysanthemum calcineurin B–like interacting protein kinase CmCIPK23 in nitrate signaling in Arabidopsis roots

open access: yesScientific Reports, 2022
Nitrate is an important source of nitrogen and also acts as a signaling molecule to trigger numerous physiological, growth, and developmental processes throughout the life of the plant.
Bowen Liu   +9 more
doaj   +1 more source

Huge Seebeck coefficients in non-aqueous electrolytes [PDF]

open access: yes, 2011
The Seeebeck coefficients of the non-aqueous electrolytes tetrabutylammonium nitrate, tetraoctylphosphonium bromide and tetradodecylammonium nitrate in 1-octanol, 1-dodecanol and ethylene-glycol are measured in a temperature range from T=30 to T=45 C.
arxiv   +1 more source

Advancing the Identification of Bioactive Molecules and the Construction of a Synergistic Drug Delivery System in Combating Lung Injury

open access: yesAdvanced Science, EarlyView.
Traditional Chinese Medicine (TCM), while holistic and historically esteemed, faces challenges in “miracle cures” due to slow onset, long cycles, and difficulty controlling quality. This study obtains the active ingredients, glabridin (GLA) and puerarin (PUE), from Ge‐Gen Decoction (GGD), developing a safe and effective drug delivery system, GLA‐PUE ...
Jianhong Qi   +7 more
wiley   +1 more source

Nitrate and nitrite reductase activities of Mycobacterium avium

open access: yesInternational Journal of Mycobacteriology, 2018
Background: In spite of the fact that the standard test for nitrate reductase activity is negative for Mycobacterium avium, it can grow in a defined minimal medium with either nitrate (NO3) or nitrite (NO2) as sole nitrogen sources.
Nitin S Butala, Joseph Oliver Falkinham
doaj   +1 more source

Virus-Encoded Ribonucleotide Reductases [PDF]

open access: yesarXiv, 2014
Ribonucleotide reductases are encoded by many viruses, but without other enzymes of nucleotide metabolism of no obvious use. A look at the enzymes' molecular properties and their possible mutator action may give clues.
arxiv  

Nitrate reduction in Haloferax alexandrinus: the case of assimilatory nitrate reductase [PDF]

open access: yesExtremophiles, 2017
Haloferax alexandrinus Strain TM JCM 10717T = IFO 16590T is an extreme halophilic archaeon able to produce significant amounts of canthaxanthin. Its genome sequence has been analysed in this work using bioinformatics tools available at Expasy in order to look for genes encoding nitrate reductase-like proteins: respiratory nitrate reductase (Nar) and/or
Kilic, Volkan   +3 more
openaire   +4 more sources

Targeting Replication Fork Processing Synergizes with PARP Inhibition to Potentiate Lethality in Homologous Recombination Proficient Ovarian Cancers

open access: yesAdvanced Science, EarlyView.
This study demonstrates that the resveratrol analogue, trans‐4,4′‐dihydroxystilbene (DHS), exhibits synergistic anti‐tumor activity with the PARP inhibitor talazoparib, inducing significant ovarian cancer cell death. The synergistic effect of this combination arises from the concurrent downregulation of homologous recombination factors and the ...
Ganesh Pai Bellare   +7 more
wiley   +1 more source

Nitrate reductase activity in cabbage (Brassica oleracae var. capitata) seedlings affected by the different nitrogen fertilizer forms

open access: yesActa Agrobotanica, 2013
The effect of different nitrogen fertilizer (potassium nitrate, ammonium nitrate, ammonium sulphate, urea and farmyard manure) on nitrate reductase activity in cabbage (Brassica oleracea var. capitata) seedlings were studied.
Metin Turan, Yildrum Sezen
doaj   +1 more source

From nitrate to NO: potential effects of nitrate-reducing bacteria on systemic health and disease

open access: yesEuropean Journal of Medical Research, 2023
Current research has described improving multisystem disease and organ function through dietary nitrate (DN) supplementation. They have provided some evidence that these floras with nitrate (NO3 −) reductase are mediators of the underlying mechanism ...
Hongyu Liu   +8 more
doaj   +1 more source

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