ReviewPhotosynthesis research2016
Obstacles in the quantification of the cyclic electron flux around Photosystem I in leaves of C3 plants.
Review in Photosynthesis research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 57 citations in OpenAlex.
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- Accounting for photosystem I photoinhibition sheds new light on seasonal acclimation strategies of boreal conifers.Journal of experimental botany · 2024Article
- Drought Has a Greater Negative Effect on the Growth of the CPlants (Basel, Switzerland) · 2024Article
- High salt-induced PSI-supercomplex is associated with high CEF and attenuation of state transitions.Photosynthesis research · 2023Article
- Flavodiiron-mediated ONature communications · 2023Article
- Induction of photosynthesis under anoxic condition inFrontiers in plant science · 2023Article
- Integrated Physiological, Transcriptomic, and Proteomic Analyses Reveal the Regulatory Role of Melatonin in Tomato Plants' Response to Low Night Temperature.Antioxidants (Basel, Switzerland) · 2022Article
- Electron transport and photosynthetic performance in Fragaria × ananassa Duch. acclimated to the solar spectrum modified by a spectrum conversion film.Photosynthesis research · 2022Article
- A Comparison of Photoprotective Mechanism in Different Light-Demanding Plants Under Dynamic Light Conditions.Frontiers in plant science · 2022Article
- Responses of photosystem to long-term light stress in a typically shade-tolerant speciesFrontiers in plant science · 2022Article
- A Novel Role of Pipecolic Acid Biosynthetic Pathway in Drought Tolerance through the Antioxidant System in Tomato.Antioxidants (Basel, Switzerland) · 2021Article
- My precarious career in photosynthesis: a roller-coaster journey into the fascinating world of chloroplast ultrastructure, composition, function and dysfunction.Photosynthesis research · 2021Article
- In vivo assessment of mitochondrial respiratory alternative oxidase activity and cyclic electron flow around photosystem I on small coral fragments.Scientific reports · 2020Article
- Light-induced HY5 Functions as a Systemic Signal to Coordinate the Photoprotective Response to Light Fluctuation.Plant physiology · 2020Article
- Does the ArabidopsisPlant physiology · 2020Article
- A Commonly Used Photosynthetic Inhibitor Fails to Block Electron Flow to Photosystem I in Intact Systems.Frontiers in plant science · 2020Article
- Efficient Heat Dissipation and Cyclic Electron Flow Confer Daily Air Exposure Tolerance in the Intertidal SeagrassFrontiers in plant science · 2020Article
- Cyclic electron flow and light partitioning between the two photosystems in leaves of plants with different functional types.Photosynthesis research · 2019Article
- Chlororespiration Controls Growth Under Intermittent Light.Plant physiology · 2019Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sixty years ago Arnon and co-workers discovered photophosphorylation driven by a cyclic electron flux (CEF) around Photosystem I. Since then understanding the physiological roles and the regulation of CEF has progressed, mainly via genetic approaches. One basic problem remains, however: quantifying CEF in the absence of a net product. Quantification of CEF under physiological conditions is a crucial prerequisite for investigating the physiological roles of CEF. Here we summarize current progress in methods of CEF quantification in leaves and, in some cases, in isolated thylakoids, of C3 plants. Evidently, all present methods have their own shortcomings. We conclude that to quantify CEF in vivo, the best way currently is to measure the electron flux through PS I (ETR1) and that through PS II and PS I in series (ETR2) for the whole leaf tissue under identical conditions. The difference between ETR1 and ETR2 is an upper estimate of CEF, mainly consisting, in C3 plants, of a major PGR5-PGRL1-dependent CEF component and a minor chloroplast NDH-dependent component, where PGR5 stands for Proton Gradient Regulation 5 protein, PGRL1 for PGR5-like photosynthesis phenotype 1, and NDH for Chloroplast NADH dehydrogenase-like complex. These two CEF components can be separated by the use of antimycin A to inhibit the former (major) component. Membrane inlet mass spectrometry utilizing stable oxygen isotopes provides a reliable estimation of ETR2, whilst ETR1 can be estimated from a method based on the photochemical yield of PS I, Y(I). However, some issues for the recommended method remain unresolved.
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