ArticleProceedings of the National Academy of Sciences of the United States of America2017
Metastable radical state, nonreactive with oxygen, is inherent to catalysis by respiratory and photosynthetic cytochromes bc1/b6f.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 35 citations in OpenAlex.
- Recent insights into the molecular mechanism of ubiquinol oxidation by cytochrome bcFEBS open bio · 2026Review
- Article
- Review
- Structure, regulation and assembly of the photosynthetic electron transport chain.Nature reviews. Molecular cell biology · 2025Review
- An amplification mechanism for weak ELF magnetic fields quantum-bio effects in cancer cells.Scientific reports · 2025Article
- Molecular basis of plastoquinone reduction in plant cytochrome bNature plants · 2024Article
- Peculiarities of DNP-INT and DBMIB as inhibitors of the photosynthetic electron transport.Photosynthesis research · 2024Article
- The cytochrome bPhotosynthesis research · 2024Review
- Restricting electron flow at cytochrome b6f when downstream electron acceptors are severely limited.Plant physiology · 2023Article
- High-resolution cryo-EM structures of plant cytochrome bScience advances · 2023Article
- Unexpected Heme Redox Potential Values Implicate an Uphill Step in CytochromeThe journal of physical chemistry. B · 2022Article
- Quinone binding sites of cyt bc complexes analysed by X-ray crystallography and cryogenic electron microscopy.Biochemical Society transactions · 2022Review
- Structural basis for safe and efficient energy conversion in a respiratory supercomplex.Nature communications · 2022Article
- Molecular and Supramolecular Structure of the Mitochondrial Oxidative Phosphorylation System: Implications for Pathology.Life (Basel, Switzerland) · 2021Review
- Catalytic Reactions and Energy Conservation in the CytochromeChemical reviews · 2021Review
- The High-Spin HemeFrontiers in chemistry · 2021Article
- Using a chimeric respiratory chain and EPR spectroscopy to determine the origin of semiquinone species previously assigned to mitochondrial complex I.BMC biology · 2020Article
- Cryo-EM structure of the spinach cytochrome bNature · 2019Article
- Three phases of energy-dependent induction of [Formula: see text] and Chl a fluorescence in Tradescantia fluminensis leaves.Photosynthesis research · 2019Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Oxygenic respiration and photosynthesis based on quinone redox reactions face a danger of wasteful energy dissipation by diversion of the productive electron transfer pathway through the generation of reactive oxygen species (ROS). Nevertheless, the widespread quinone oxido-reductases from the cytochrome bc family limit the amounts of released ROS to a low, perhaps just signaling, level through an as-yet-unknown mechanism. Here, we propose that a metastable radical state, nonreactive with oxygen, safely holds electrons at a local energetic minimum during the oxidation of plastohydroquinone catalyzed by the chloroplast cytochrome b
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