ArticleFrontiers in plant science2015
Partially dissecting the steady-state electron fluxes in Photosystem I in wild-type and pgr5 and ndh mutants of Arabidopsis.
Article in Frontiers in plant science, 2015. 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.
- Chlorophyll fluorometry in evaluating photosynthetic performance: key limitations, possibilities, perspectives and alternatives.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
- My precarious career in photosynthesis: a roller-coaster journey into the fascinating world of chloroplast ultrastructure, composition, function and dysfunction.Photosynthesis research · 2021Article
- The Complementary Roles of Chloroplast Cyclic Electron Transport and Mitochondrial Alternative Oxidase to Ensure Photosynthetic Performance.Frontiers in plant science · 2021Review
- Does the ArabidopsisPlant physiology · 2020Article
- Cyclic electron flow and light partitioning between the two photosystems in leaves of plants with different functional types.Photosynthesis research · 2019Article
- Regulation of cyclic electron flow by chloroplast NADPH-dependent thioredoxin system.Plant direct · 2018Article
- NDH-1 Is Important for Photosystem I Function ofFrontiers in plant science · 2017Article
- Photorespiration provides the chance of cyclic electron flow to operate for the redox-regulation of P700 in photosynthetic electron transport system of sunflower leaves.Photosynthesis research · 2016Article
- Regulatory network of proton motive force: contribution of cyclic electron transport around photosystem I.Photosynthesis research · 2016Review
- Obstacles in the quantification of the cyclic electron flux around Photosystem I in leaves of C3 plants.Photosynthesis research · 2016Review
- PSI photoinhibition is more related to electron transfer from PSII to PSI rather than PSI redox state in Psychotria rubra.Photosynthesis research · 2016Article
- Sustained Diurnal Stimulation of Cyclic Electron Flow in Two Tropical Tree Species Erythrophleum guineense and Khaya ivorensis.Frontiers in plant science · 2016Article
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5 authors.
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Abstract
Cyclic electron flux (CEF) around Photosystem I (PS I) is difficult to quantify. We obtained the linear electron flux (LEFO2) through both photosystems and the total electron flux through PS I (ETR1) in Arabidopsis in CO2-enriched air. ΔFlux = ETR1 - LEFO2 is an upper estimate of CEF, which consists of two components, an antimycin A-sensitive, PGR5 (proton gradient regulation 5 protein)-dependent component and an insensitive component facilitated by a chloroplastic nicotinamide adenine dinucleotide dehydrogenase-like complex (NDH). Using wild type as well as pgr5 and ndh mutants, we observed that (1) 40% of the absorbed light was partitioned to PS I; (2) at high irradiance a substantial antimycin A-sensitive CEF occurred in the wild type and the ndh mutant; (3) at low irradiance a sizable antimycin A-sensitive CEF occurred in the wild type but not in the ndh mutant, suggesting an enhancing effect of NDH in low light; and (4) in the pgr5 mutant, and the wild type and ndh mutant treated with antimycin A, a residual ΔFlux existed at high irradiance, attributable to charge recombination and/or pseudo-cyclic electron flow. Therefore, in low-light-acclimated plants exposed to high light, ΔFlux has contributions from various paths of electron flow through PS I.
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