ArticlePhotosynthesis research2020
Redox regulation by peroxiredoxins is linked to their thioredoxin-dependent oxidase function.
Article in Photosynthesis research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 31 citations in OpenAlex.
- Plant-Derived Antioxidants as Modulators of Redox Signaling and Epigenetic Reprogramming in Cancer.Cells · 2025Review
- Guardians of the light: The redox regulation of the PSI during photosynthesis.Plant physiology · 2024Article
- Chloroplasts lacking class I glutaredoxins are functional but show a delayed recovery of protein cysteinyl redox state after oxidative challenge.Redox biology · 2024Article
- x- and y-type thioredoxins maintain redox homeostasis on photosystem I acceptor side under fluctuating light.Plant physiology · 2023Article
- CBSX2 is required for the efficient oxidation of chloroplast redox-regulated enzymes in darkness.Plant direct · 2023Article
- Differential regulation of reactive oxygen species in dimorphic chloroplasts of single cell CFrontiers in plant science · 2023Article
- WHIRLIES Are Multifunctional DNA-Binding Proteins With Impact on Plant Development and Stress Resistance.Frontiers in plant science · 2022Review
- Single molecule mass photometry reveals the dynamic oligomerization of human and plant peroxiredoxins.iScience · 2021Article
- Differences in Ionic, Enzymatic, and Photosynthetic Features Characterize Distinct Salt Tolerance in Eucalyptus Species.Plants (Basel, Switzerland) · 2021Article
- Thiol Redox Regulation of Plant β-Carbonic Anhydrase.Biomolecules · 2020Article
- Regulation of chloroplast primary metabolism.Photosynthesis research · 2020Article
- Redox Conformation-Specific Protein-Protein Interactions of the 2-Cysteine Peroxiredoxin in Arabidopsis.Antioxidants (Basel, Switzerland) · 2020Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The chloroplast contains three types of peroxiredoxins (PRXs). Recently, 2-CysPRX was associated with thioredoxin (TRX) oxidation-dependent redox regulation. Here, this analysis was expanded to include PRXQ and PRXIIE. Oxidized PRXQ was able to inactivate NADPH malate dehydrogenase and fructose-1,6-bisphosphatase most efficiently in the presence of TRX-m1 and TRX-m4. The inactivation ability of TRXs did not entirely match their reductive activation efficiency. PRXIIE was unable to function as TRX oxidase in enzyme regulation. This conclusion was further supported by the observation that PRXQ adopts the oxidized form by about 50% in leaves, supporting a possible function as a TRX oxidase similar to 2-CysPRX. Results on the oxidation state of photosystem I (P700), plastocyanin, and ferredoxin in intact leaves indicate that each type of PRX has distinct regulatory functions, and that both 2-CysPRX and PRXQ conditionally assist in adjusting the redox state of target proteins for proper activity.
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