ArticleThe Plant cell2011
ATP synthase repression in tobacco restricts photosynthetic electron transport, CO2 assimilation, and plant growth by overacidification of the thylakoid lumen.
Article in The Plant cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 112 papers.
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Who cites it
112 citing papers in PubMed.
- Transfer of chloroplastSynthetic and systems biotechnology · 2027Article
- Daily Heat Stress Induces Donor-Side Limitation of PSI Via Downregulation of the Cyt bPlant, cell & environment · 2026Article
- Two proteins co-expressed with photosynthetic regulators affect photosynthetic dynamics linked to changes in thylakoid pigment content and composition.Plant biology (Stuttgart, Germany) · 2026Article
- OsCPK12-OsATPD1 Module Regulates Photosynthetic Acclimation to Light Stress in Rice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Loss of qE Does Not Necessarily Lead to Photoinhibition: Sustained Non-Photochemical Quenching in the Absence of PsbS and Zeaxanthin.Plant, cell & environment · 2026Article
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- Assembly-dependent translational feedback regulation of photosynthetic proteins in land plants.Nature plants · 2025Article
- Functional relocation of the maize chloroplast atpB gene to the nucleus restores photosynthetic competence to a gene-edited non-photosynthetic mutant.Plant biotechnology journal · 2025Article
- Integrated phenotypic analysis, predictive modeling, and identification of novel trait-associated loci in a diverse Theobroma cacao collection.BMC plant biology · 2025Article
- Nonphotochemical quenching changes with abiotic stressor and developmental stages.bioRxiv : the preprint server for biology · 2025Article
- Article
- Reverse genetics in the Arabidopsis chloroplast genome identifies rps16 as a transcribed pseudogene.The Plant journal : for cell and molecular biology · 2025Article
- Light Intensity Dependence of COPlants (Basel, Switzerland) · 2025Article
- Interactions between chloroplast and mitochondrial genomes in 11Frontiers in plant science · 2025Article
- Genome-wide Association Studies of Photosynthetic and Agronomic Traits in Cowpea Collection.G3 (Bethesda, Md.) · 2024Article
- Chloroplast ATP synthase: From structure to engineering.The Plant cell · 2024Review
- Photosynthetic control at the cytochrome b6f complex.The Plant cell · 2024Review
- Genetically manipulated chloroplast stromal phosphate levels alter photosynthetic efficiency.Plant physiology · 2024Article
- Review
- Regulation of Microalgal Photosynthetic Electron Transfer.Plants (Basel, Switzerland) · 2024Review
52 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tobacco (Nicotiana tabacum) plants strictly adjust the contents of both ATP synthase and cytochrome b(6)f complex to the metabolic demand for ATP and NADPH. While the cytochrome b(6)f complex catalyzes the rate-limiting step of photosynthetic electron flux and thereby controls assimilation, the functional significance of the ATP synthase adjustment is unknown. Here, we reduced ATP synthase accumulation by an antisense approach directed against the essential nuclear-encoded γ-subunit (AtpC) and by the introduction of point mutations into the translation initiation codon of the plastid-encoded atpB gene (encoding the essential β-subunit) via chloroplast transformation. Both strategies yielded transformants with ATP synthase contents ranging from 100 to <10% of wild-type levels. While the accumulation of the components of the linear electron transport chain was largely unaltered, linear electron flux was strongly inhibited due to decreased rates of plastoquinol reoxidation at the cytochrome b(6)f complex (photosynthetic control). Also, nonphotochemical quenching was triggered at very low light intensities, strongly reducing the quantum efficiency of CO(2) fixation. We show evidence that this is due to an increased steady state proton motive force, resulting in strong lumen overacidification, which in turn represses photosynthesis due to photosynthetic control and dissipation of excitation energy in the antenna bed.
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