ArticlePloS one2011
Discrete redox signaling pathways regulate photosynthetic light-harvesting and chloroplast gene transcription.
Article in PloS one, 2011. 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.
- Mitochondrial genomes revisited: why do different lineages retain different genes?BMC biology · 2024Review
- Optimizing the electron transport chain to sustainably improve photosynthesis.Plant physiology · 2023Article
- Ser/Thr Protein Kinase SpkI Affects Photosynthetic Efficiency inLife (Basel, Switzerland) · 2022Article
- Cyanobacterial NDH-1 Complexes.Frontiers in microbiology · 2022Review
- Current Knowledge on Mechanisms Preventing Photosynthesis Redox Imbalance in Plants.Antioxidants (Basel, Switzerland) · 2021Review
- Proteomic Studies on the Effects of Lipo-Chitooligosaccharide and Thuricin 17 under Unstressed and Salt Stressed Conditions in Arabidopsis thaliana.Frontiers in plant science · 2016Article
- Why chloroplasts and mitochondria retain their own genomes and genetic systems: Colocation for redox regulation of gene expression.Proceedings of the National Academy of Sciences of the United States of America · 2015Review
- Significance of the photosystem II core phosphatase PBCP for plant viability and protein repair in thylakoid membranes.Plant & cell physiology · 2014Article
- The redox potential of the plastoquinone pool of the cyanobacterium Synechocystis species strain PCC 6803 is under strict homeostatic control.Plant physiology · 2014Article
- Computational prediction of candidate proteins for S-nitrosylation in Arabidopsis thaliana.PloS one · 2014Article
- During state 1 to state 2 transition in Arabidopsis thaliana, the photosystem II supercomplex gets phosphorylated but does not disassemble.The Journal of biological chemistry · 2013Article
- Control of STN7 transcript abundance and transient STN7 dimerisation are involved in the regulation of STN7 activity.Planta · 2013Article
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Authors and funding
4 authors.
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Abstract
In photosynthesis in chloroplasts, two related regulatory processes balance the actions of photosystems I and II. These processes are short-term, post-translational redistribution of light-harvesting capacity, and long-term adjustment of photosystem stoichiometry initiated by control of chloroplast DNA transcription. Both responses are initiated by changes in the redox state of the electron carrier, plastoquinone, which connects the two photosystems. Chloroplast Sensor Kinase (CSK) is a regulator of transcription of chloroplast genes for reaction centres of the two photosystems, and a sensor of plastoquinone redox state. We asked whether CSK is also involved in regulation of absorbed light energy distribution by phosphorylation of light-harvesting complex II (LHC II). Chloroplast thylakoid membranes isolated from a CSK T-DNA insertion mutant and from wild-type Arabidopsis thaliana exhibit similar light- and redox-induced (32)P-labelling of LHC II and changes in 77 K chlorophyll fluorescence emission spectra, while room-temperature chlorophyll fluorescence emission transients from Arabidopsis leaves are perturbed by inactivation of CSK. The results indicate indirect, pleiotropic effects of reaction centre gene transcription on regulation of photosynthetic light-harvesting in vivo. A single, direct redox signal is transmitted separately to discrete transcriptional and post-translational branches of an integrated cytoplasmic regulatory system.
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