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Responses of superoxide dismutase and glutathione reductase activities in cotton leaf tissue exposed to an atmosphere enriched in oxygen.
Results are consistent with an integrated pathway involving superoxide dismutase and glutathione reductase for protection of sensitive leaf components against detrimental effects of intermediate reduction products of O(2).
Seasonal variation in the antioxidant system of eastern white pine needles : evidence for thermal dependence.
The needle content and kinetic properties of GR, the increased activities of other enzymes, and the high substrate concentrations observed during the winter are consistent with the protective function this pathway may provide against photooxidative, winter injury.
Purification of Multiple Forms of Glutathione Reductase from Pea (Pisum sativum L.) Seedlings and Enzyme Levels in Ozone-Fumigated Pea Leaves.
- N. Madamanchi, J. V. Anderson, R. Alscher, C. Cramer, J. L. Hess
- BiologyPlant Physiology
- 1 September 1992
Immunoblotting showed a greater level of glutathione reductase protein in extracts from ozone-fumigated plants compared with that in control plants at the time when the target concentration was first reached, approximately 40 min from the start of the fumigation, and 4 h on the first day of fumigate.
Free Radical Scavenging
- J. L. Hess
- 7 February 2020
Free radical chemistry is characterized by an unregulated chain reaction of sequential oxidations and reductions that can rapidly amplify the concentration of reactive radicals. The free radical is…
Antioxidants in Higher Plants
The chemistry and protective potential of sulfhydryl and hydroxyl compounds are emphasized and how tools of molecular biology may further clarify antioxidant function and response to stress are discussed.
Modification of the corticosterone response curve as a function of handling in infancy
Purification, characterization, and immunological properties for two isoforms of glutathione reductase from eastern white pine needles.
Glutathione reductase (EC 1.2) was purified from Eastern white pine (Pinus strobus L.) needles using affinity chromatography using 2', 5'-ADP-Sepharose, FPLC-anion-exchange,FPLC-hydrophobic interaction, and FP LC-gel filtration to recovery of two distinct isoforms of glutathione reduction.
Oxygen effects on maize leaf superoxide dismutase and glutathione reductase
Lenticular opacities in young rats as a consequence of maternal diets low in tryptopham and/or vitamin E.
The data reveal a previously unrecognized association between tryptophan and vitamin E relative to fetal lens development and reveal the relative effect upon lens transparency of a diet low in both tryptophile and E during development.
Lens calcium and selenite-induced cataract.
Subcutaneous injection of sodium selenite into young rats produces a nuclear cataract within 72 hours and scanning electron micrographs suggested weakened cell-to-cell adhesion in theCataractous nuclear zone.