ArticlePloS one2012
Anaerobiosis induced state transition: a non photochemical reduction of PQ pool mediated by NDH in Arabidopsis thaliana.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 37 citations in OpenAlex.
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- Salinity-induced changes in plastoquinone pool redox state in halophytic Mesembryanthemum crystallinum L.Scientific reports · 2023Article
- Long- and short-term acclimation of the photosynthetic apparatus to salinity inFrontiers in plant science · 2023Article
- STN7 Kinase Is Essential forInternational journal of molecular sciences · 2022Article
- Dissecting the interaction of photosynthetic electron transfer with mitochondrial signalling and hypoxic response in the ArabidopsisPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
- Specific Composition of Lipid Phases Allows Retaining an Optimal Thylakoid Membrane Fluidity in Plant Response to Low-Temperature Treatment.Frontiers in plant science · 2020Article
- Thylakoid membrane dynamics and state transitions in Chlamydomonas reinhardtii under elevated temperature.Photosynthesis research · 2019Article
- Change in Photosystem II Photochemistry During Algal Growth Phases of Chlorella vulgaris and Scenedesmus obliquus.Current microbiology · 2016Article
- The slow S to M rise of chlorophyll a fluorescence reflects transition from state 2 to state 1 in the green alga Chlamydomonas reinhardtii.Photosynthesis research · 2015Article
- Regulation of Light Harvesting in Barley Plants Under Drought and Salinity Conditions.Physiologia plantarumArticle
- Postharvest Dynamics of Photosynthesis in Fresh-Cut Lettuce.Physiologia plantarumArticle
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundNon photochemical reduction of PQ pool and mobilization of LHCII between PSII and PSI are found to be linked under abiotic stress conditions. The interaction of non photochemical reduction of PQ pool and state transitions associated physiological changes are critically important under anaerobic condition in higher plants. METHODOLOGY/
findingsThe present study focused on the effect of anaerobiosis on non-photochemical reduction of PQ pool which trigger state II transition in Arabidopsis thaliana. Upon exposure to dark-anaerobic condition the shape of the OJIP transient rise is completely altered where as in aerobic treated leaves the rise is unaltered. Rise in F(o) and F(J) was due to the loss of oxidized PQ pool as the PQ pool becomes more reduced. The increase in F(o)' was due to the non photochemical reduction of PQ pool which activated STN7 kinase and induced LHCII phosphorylation under anaerobic condition. Further, it was observed that the phosphorylated LHCII is migrated and associated with PSI supercomplex increasing its absorption cross-section. Furthermore, evidences from crr2-2 (NDH mutant) and pgr5 mutants (deficient in non NDH pathway of cyclic electron transport) have indicated that NDH is responsible for non photochemical reduction of the PQ pool. We propose that dark anaerobic condition accelerates production of reducing equivalents (such as NADPH by various metabolic pathways) which reduce PQ pool and is mediated by NDH leading to state II transition. CONCLUSIONS/SIGNIFICANCE: Anaerobic condition triggers non photochemical reduction of PQ pool mediated by NDH complex. The reduced PQ pool activates STN7 kinase leading to state II transition in A. thaliana.
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