ArticlePlant physiology2003
The activity of the chloroplastic Ndh complex is regulated by phosphorylation of the NDH-F subunit.
Article in Plant physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed.
- PROTON GRADIENT REGULATION 5 enables efficient C4 photosynthesis under fluctuating light.Plant physiology · 2025Article
- Comparison of the Effects of UV-C Light in the Form of Flash or Continuous Exposure: A Transcriptomic Analysis onInternational journal of molecular sciences · 2024Article
- Photosynthesis: Genetic Strategies Adopted to Gain Higher Efficiency.International journal of molecular sciences · 2024Review
- The role of photorespiration in preventing feedback regulation via ATP synthase in Nicotiana tabacum.Plant, cell & environment · 2024Article
- Loss of plastidComputational and structural biotechnology journal · 2023Article
- Deficiency in NDH-cyclic electron transport retards heat acclimation of photosynthesis in tobacco over day and night shift.Frontiers in plant science · 2023Article
- On the Edge of Dispensability, the ChloroplastInternational journal of molecular sciences · 2021Review
- Current Knowledge on Mechanisms Preventing Photosynthesis Redox Imbalance in Plants.Antioxidants (Basel, Switzerland) · 2021Review
- Heat-induced down-regulation of photosystem II protects photosystem I in honeysuckle (Lonicera japonica).Journal of plant research · 2021Article
- The Complementary Roles of Chloroplast Cyclic Electron Transport and Mitochondrial Alternative Oxidase to Ensure Photosynthetic Performance.Frontiers in plant science · 2021Review
- Contrasting Responses of Plastid Terminal Oxidase Activity Under Salt Stress in Two CFrontiers in plant science · 2020Article
- Brassinosteroids Act as a Positive Regulator of Photoprotection in Response to Chilling Stress.Plant physiology · 2019Article
- The Significance of Calcium in Photosynthesis.International journal of molecular sciences · 2019Review
- Transcriptome and phenotyping analyses support a role for chloroplast sigma factor 2 in red-light-dependent regulation of growth, stress, and photosynthesis.Plant direct · 2018Article
- The higher plant plastid NAD(P)H dehydrogenase-like complex (NDH) is a high efficiency proton pump that increases ATP production by cyclic electron flow.The Journal of biological chemistry · 2017Article
- Defects in the Expression of Chloroplast Proteins Leads to HFrontiers in plant science · 2016Article
- Activation of cyclic electron flow by hydrogen peroxide in vivo.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Hypothesis: increase of the ratio singlet oxygen plus superoxide radical to hydrogen peroxide changes stress defense response to programmed leaf death.Frontiers in plant science · 2013Article
- Activity, polypeptide and gene identification of thylakoid Ndh complex in trees: potential physiological relevance of fluorescence assays.Physiologia plantarum · 2012Article
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4 authors.
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Abstract
Hydrogen peroxide (H(2)O(2)) induces increases, to different degrees, in transcripts, protein levels, and activity of the Ndh complex (EC 1.6.5.3). In the present work, we have compared the effects of relatively excess light, H(2)O(2), dimethylthiourea (a scavenger of H(2)O(2)), and/or EGTA (a Ca(2+) chelator) on the activity and protein levels of the Ndh complex of barley (Hordeum vulgare cv Hassan) leaf segments. The results show the involvement of H(2)O(2) in the modulation of both the protein level and activity of the Ndh complex and the participation of Ca(2+) mainly in the activity regulation of pre-existing protein. Changes in Ndh complex activity could not be explained only by changes in Ndh protein levels, suggesting posttranslational modifications. Hence, we investigate the possible phosphorylation of the Ndh complex both in thylakoids and in the immunopurified Ndh complex using monoclonal phosphoamino acid antibodies. We demonstrate that the Ndh complex is phosphorylated in vivo at threonine residue(s) of the NDH-F polypeptide and that the level of phosphorylation is closely correlated with the Ndh complex activity. The emerging picture is that full activity of the Ndh complex is reached by phosphorylation of its NDH-F subunit in a H(2)O(2)- and Ca(2+)-mediated action.
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