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Redox-sensitive GFP in Arabidopsis thaliana is a quantitative biosensor for the redox potential of the cellular glutathione redox buffer.
  • A. Meyer, T. Brach, +4 authors R. Hell
  • Biology, Medicine
  • The Plant journal : for cell and molecular…
  • 1 December 2007
TLDR
The results with roGFP2 as an artificial GRX target further suggest that redox-triggered changes of biologic processes might be linked directly to the glutathione redox potential via GRX as the mediator. Expand
Plant Glutathione Peroxidases Are Functional Peroxiredoxins Distributed in Several Subcellular Compartments and Regulated during Biotic and Abiotic Stresses1[W]
TLDR
The abundance of some Gpxs is modified in plants subjected to environmental constraints, generally increasing during fungal infection, water deficit, and metal stress, and decreasing during photooxidative stress, showing that Gpx proteins are involved in the response to both biotic and abiotic stress conditions. Expand
The role of glutathione in photosynthetic organisms: emerging functions for glutaredoxins and glutathionylation.
TLDR
The pathways involved in the synthesis, reduction, polymerization, and degradation of glutathione are described, as well as its distribution throughout the plant and its redox buffering capacities. Expand
Reactive oxygen species generation and antioxidant systems in plant mitochondria
TLDR
This review describes the various mitochondrial redox pathways for ROS control in plants with special emphasis on the poorly studied GRX and TRX systems and provides perspectives for future research in this area. Expand
Chloroplast monothiol glutaredoxins as scaffold proteins for the assembly and delivery of [2Fe–2S] clusters
TLDR
It is demonstrated that chloroplast CGFS Grxs have the potential to function as scaffold proteins for the assembly of [2Fe–2S] clusters that can be transferred intact to physiologically relevant acceptor proteins. Expand
Thioredoxin links redox to the regulation of fundamental processes of plant mitochondria.
TLDR
The results support the view that Trx acts as a sensor and enables mitochondria to adjust key reactions in accord with prevailing redox state and suggest that, by sensing redox in chloroplasts and mitochondria, Trx enables the two organelles of photosynthetic tissues to communicate by means of a network of transportable metabolites. Expand
The plant thioredoxin system
TLDR
This review discusses the literature of plant thioredoxins with emphasis on recent findings in the field and based upon primary sequence analysis and subcellular localization, thiOREDoxins can be classified into different groups and subgroups. Expand
Plant glutaredoxins: still mysterious reducing systems
TLDR
Additional putative functions are proposed for plant glutaredoxins based on their targets in other organisms and in the light of the existence of hybrid proteins containing glutaredoxin modules in their N- or C-terminal part. Expand
Oxidation-reduction properties of chloroplast thioredoxins, ferredoxin:thioredoxin reductase, and thioredoxin f-regulated enzymes.
TLDR
Oxidation-reduction midpoint potentials were determined, as a function of pH, for the disulfide/dithiol couples of spinach and pea thioredoxins f and m, for FTR, and for pea FBPase, and the slope of the Em versus pH profile for PRK shows three regions, consistent with the presence of pKa values for the two regulatory cysteines in the region between pH 7.5 and 9.0. Expand
The thioredoxin h system of higher plants.
TLDR
This paper focuses on thioredoxins h in two plant models: Arabidopsis and poplar, and describes the biochemical properties of each subgroup, suggesting specific functions for each sub group. Expand
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