Results 41 to 50 of about 21,778 (164)

Studies on ferrous ion-induced lipid peroxidation of rat liver mitochondria. I. Effect of inorganic phosphate

open access: yes, 1974
Effect of inorganic phosphate on ferrous ion- and ascorbate-induced lipid. peroxidations of isolated rat liver mitochondria was investigated. As a result it has been shown that phosphate accelerates the ferrous ion.induced lipid peroxidation; namely ...
Yamamoto, Goki   +4 more
core   +1 more source

Effects of NaCl on the response of Mesembryanthemum crystallinum callus to Botrytis cinerea infection

open access: yesBiologia Plantarum, 2011
Callus of the halophyte Mesembryanthemum crystallinum was used to study the effect of NaCl on the response to Botrytis cinerea infection. The fungus easily colonized the callus surface and the intercellular spaces.
E. Kuźniak   +4 more
doaj   +1 more source

Effects of exogenous hydrogen sulfide on the redox states of ascorbate and glutathione in maize leaves under salt stress

open access: yes, 2014
This study investigated the effects of exogenous hydrogen sulfide (H2S) on the redox states of ascorbate (AsA) and glutathione (GSH) in maize leaves under NaCl (100 mM) stress.
X. Wang, H. Liu, C. Shan, L. Zhao
core   +1 more source

Nitric oxide is involved in the regulation of ascorbate and glutathione metabolism in Agropyron cristatum leaves under water stress

open access: yes, 2012
This study investigated the regulation of ascorbate and glutathione metabolism by nitric oxide in Agropyron cristatum leaves under water stress. The activities of ascorbate peroxidase (APX), glutathione reductase (GR), monodehydroascorbate reductase ...
Z. Liang, R. Han, F. He, G. Xu, C. Shan
core   +1 more source

Analysis of High-Dose Ascorbate-Induced Cytotoxicity in Human Glioblastoma Cells and the Role of Dehydroascorbic Acid and Iron

open access: yesAntioxidants
Several studies have demonstrated, both in vitro and in animal models, the anti-tumor efficacy of high-dose ascorbate treatment against a variety of tumor entities, including glioblastoma, the most common and aggressive primary malignant brain tumor. The
Alban Piotrowsky   +12 more
doaj   +1 more source

Effects of lanthanum on the ascorbate and glutathione metabolism of Vigna radiata seedlings under salt stress

open access: yes, 2014
In order to elucidate the role of lanthanum (La) in response of Vigna radiata to a salt stress, we investigated the effects of La on the ascorbate and glutathione metabolism.
X. Zhao, C. Shan
core   +1 more source

Are leaf hydrogen peroxide concentrations commonly overestimated? The potential influence of artefactual interference by tissue phenolics and ascorbate

open access: yes, 2002
We have examined the authenticity of two methods for determination of H2O2 in leaf tissue. We show that the high concentrations of ascorbic acid present in leaf extracts interfere with both techniques. In the chromogenic peroxidase-coupled assay, H2O2 is
Foyer, C. H.   +5 more
core   +1 more source

Ascorbate Is a Primary Antioxidant in Mammals

open access: yes, 2022
Ascorbate (vitamin C in primates) functions as a cofactor for a number of enzymatic reactions represented by prolyl hydroxylases and as an antioxidant due to its ability to donate electrons, which is mostly accomplished through non-enzymatic reaction in ...
Bo, Tomoki   +5 more
core   +1 more source

Suppression of tomato SlGGP aggravates methyl viologen-mediated oxidative stress

open access: yesBiologia Plantarum, 2016
Ascorbate (AsA) is an important antioxidant that can scavenge reactive oxygen species to protect plant cells against oxidative stress. Guanosine 5'-diphosphate (GDP)-L-galactose phosphorylase (GGP) is a key enzyme in the AsA biosynthetic pathway.
D.-Y. Yang   +5 more
doaj   +1 more source

An upstream open reading frame is essential for feedback regulation of ascorbate biosynthesis in arabidopsis

open access: yes, 2015
Ascorbate (vitamin C) is an essential antioxidant and enzyme cofactor in both plants and animals. Ascorbate concentration is tightly regulated in plants, partly to respond to stress.
Dare, Andrew P.   +10 more
core   +1 more source

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