ArticlePhotosynthesis research1994
The photoproduction of superoxide radicals and the superoxide dismutase activity of Photosystem II. The possible involvement of cytochrome b559.
Article in Photosynthesis research, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 123 citations in OpenAlex.
- Bicarbonate-controlled reduction of oxygen by the QProceedings of the National Academy of Sciences of the United States of America · 2022Article
- Oxygen and ROS in Photosynthesis.Plants (Basel, Switzerland) · 2020Review
- Hydrogen Peroxide and Superoxide Anion Radical Photoproduction in PSII Preparations at Various Modifications of the Water-Oxidizing Complex.Plants (Basel, Switzerland) · 2019Article
- Hydroxyectoine protects Mn-depleted photosystem II against photoinhibition acting as a source of electrons.Photosynthesis research · 2019Article
- Negative Air Ions and Their Effects on Human Health and Air Quality Improvement.International journal of molecular sciences · 2018Review
- Two pathways of photoproduction of organic hydroperoxides on the donor side of photosystem 2 in subchloroplast membrane fragments.Photosynthesis research · 2017Article
- Formation of singlet oxygen by decomposition of protein hydroperoxide in photosystem II.PloS one · 2017Article
- Production of Reactive Oxygen Species by Photosystem II as a Response to Light and Temperature Stress.Frontiers in plant science · 2016Review
- Involvement of molecular oxygen in the donor-side photoinhibition of Mn-depleted photosystem II membranes.Photosynthesis research · 2015Article
- Detection of hydrogen peroxide in Photosystem II (PSII) using catalytic amperometric biosensor.Frontiers in plant science · 2015Article
- The Roles of Cytochrome b 559 in Assembly and Photoprotection of Photosystem II Revealed by Site-Directed Mutagenesis Studies.Frontiers in plant science · 2015Review
- Production of superoxide from Photosystem II in a rice (Oryza sativa L.) mutant lacking PsbS.BMC plant biology · 2014Article
- Evidence for the involvement of loosely bound plastosemiquinones in superoxide anion radical production in photosystem II.PloS one · 2014Article
- Formation of superoxide anion and carbon-centered radicals by photosystem II under high light and heat stress-EPR spin-trapping study.Journal of bioenergetics and biomembranes · 2013Article
- Production of reactive oxygen species in decoupled, Ca(2+)-depleted PSII and their use in assigning a function to chloride on both sides of PSII.Photosynthesis research · 2013Article
- Article
- Protecting effect of phosphorylation on oxidative damage of D1 protein by down-regulating the production of superoxide anion in photosystem II membranes under high light.Photosynthesis research · 2012Article
- Quality control of photosystem II: lipid peroxidation accelerates photoinhibition under excessive illumination.PloS one · 2012Article
- Plastid alternative oxidase (PTOX) promotes oxidative stress when overexpressed in tobacco.The Journal of biological chemistry · 2009Article
- Damage to the oxygen-evolving complex by superoxide anion, hydrogen peroxide, and hydroxyl radical in photoinhibition of photosystem II.Photosynthesis research · 2006Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the present study the light induced formation of superoxide and intrinsic superoxide dismutase (SOD) activity in PS II membrane fragments and D1/D2/Cytb559-complexes from spinach have been analyzed by the use of ferricytochrome c (cyt c(III)) reduction and xanthine/xanthine oxidase as assay systems. The following results were obtained: 1.) Photoreduction of Cyt c (III) by PS II membrane fragments is induced by addition of sodium azide, tetracyane ethylene (TCNE) or carbonylcyanide-p-trifluoromethoxy-phenylhydrazone (FCCP) and after removal of the extrinsic polypeptides by a 1M CaCl2-treatment. This activity which is absent in control samples becomes completely inhibited by the addition of exogenous SOD. 2.) The TCNE induced cyt c(III) photoreduction by PS II membrane fragments was found to be characterized by a half maximal concentration of c1/2=10 μM TCNE. Simultaneously, TCNE inhibits the oxygen evolution rate of PS II membrane fragments with c1/2≈ 3 μM. 3.) The photoproduction of O2 (-) is coupled with H(+)-uptake. This effect is diminished by the addition of the O2 (-)-trap cyt c(III). 4.) D1/D2/Cytb559-complexes and PS II membrane fragments deprived of the extrinsic proteins and manganese exhibit no SOD-activity but are capable of producing O2 (-) in the light if a PS II electron donor is added.Based on these results the site(s) of light induced superoxide formation in PS II is (are) inferred to be located at the acceptor side. A part of the PS II donor side and Cyt b559 in its HP-form are proposed to provide an intrinsic superoxide dismutase (SOD) activity.
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