ArticleFrontiers in plant science2016
The Arabidopsis Thylakoid Chloride Channel AtCLCe Functions in Chloride Homeostasis and Regulation of Photosynthetic Electron Transport.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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35 citing papers in PubMed, 78 citations in OpenAlex.
- Lumen alkalization under elevated bicarbonate concentration outside isolated thylakoids of higher plants.Photosynthesis research · 2026Article
- Electron transport reactions of cyanobacterial photosynthesis and state-of-the-art in vivo measurement techniques.Plant physiology · 2026Review
- A Dual Perspective on Physio-molecular Insights Points Towards Ion Homeostasis as a Probable Pathway for Salt Tolerance in Pigeonpea [Cajanus Cajan (Millspaugh (L.)].Applied biochemistry and biotechnology · 2026Article
- Proton motive force partitioning links energy and redox balance to photoprotection and carbon gain.Frontiers in plant science · 2026Review
- Genome-wide identification, expression and evolutionary analysis of the CLC gene family in Vigna radiata L. reveals its roles in salt resistance.BMC genomics · 2025Article
- Plants maximise chloride uptake during early vegetative development to stimulate cell expansion, maturation of the photosynthetic apparatus, and growth.The Plant journal : for cell and molecular biology · 2025Article
- Nonphotochemical quenching changes with abiotic stressor and developmental stages.bioRxiv : the preprint server for biology · 2025Article
- Regulation of Microalgal Photosynthetic Electron Transfer.Plants (Basel, Switzerland) · 2024Review
- Sensitivity and responses of chloroplasts to salt stress in plants.Frontiers in plant science · 2024Review
- The Role of Chloride Channels in Plant Responses to NaCl.International journal of molecular sciences · 2023Review
- Article
- Photosynthetic and transcriptome responses to fluctuating light inPlant direct · 2023Article
- Molecular mechanism underlying regulation of Arabidopsis CLCa transporter by nucleotides and phospholipids.Nature communications · 2023Article
- D139N mutation of PsbP enhances the oxygen-evolving activity of photosystem II through stabilized binding of a chloride ion.PNAS nexus · 2022Article
- Silicate Inhibits the Cytosolic Influx of Chloride in Protoplasts of Wheat and Affects the Chloride Transporters,Plants (Basel, Switzerland) · 2022Article
- Analyzing the effect of ion binding to the membrane-surface on regulating the light-induced transthylakoid electric potential (ΔΨFrontiers in plant science · 2022Article
- The Arabidopsis thylakoid chloride channel ClCe regulates ATP availability for light-harvesting complex II protein phosphorylation.Frontiers in plant science · 2022Article
- The different patterns of post-heat stress responses in wheat genotypes: the role of the transthylakoid proton gradient in efficient recovery of leaf photosynthetic capacity.Photosynthesis research · 2021Article
- Proton motive force in plant photosynthesis dominated by ΔpH in both low and high light.Plant physiology · 2021Article
- Impact of ion fluxes across thylakoid membranes on photosynthetic electron transport and photoprotection.Nature plants · 2021Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chloride ions can be translocated across cell membranes through Cl(-) channels or Cl(-)/H(+) exchangers. The thylakoid-located member of the Cl(-) channel CLC family in Arabidopsis thaliana (AtCLCe) was hypothesized to play a role in photosynthetic regulation based on the initial photosynthetic characterization of clce mutant lines. The reduced nitrate content of Arabidopsis clce mutants suggested a role in regulation of plant nitrate homeostasis. In this study, we aimed to further investigate the role of AtCLCe in the regulation of ion homeostasis and photosynthetic processes in the thylakoid membrane. We report that the size and composition of proton motive force were mildly altered in two independent Arabidopsis clce mutant lines. Most pronounced effects in the clce mutants were observed on the photosynthetic electron transport of dark-adapted plants, based on the altered shape and associated parameters of the polyphasic OJIP kinetics of chlorophyll a fluorescence induction. Other alterations were found in the kinetics of state transition and in the macro-organization of photosystem II supercomplexes, as indicated by circular dichroism measurements. Pre-treatment with KCl but not with KNO3 restored the wild-type photosynthetic phenotype. Analyses by transmission electron microscopy revealed a bow-like arrangement of the thylakoid network and a large thylakoid-free stromal region in chloroplast sections from the dark-adapted clce plants. Based on these data, we propose that AtCLCe functions in Cl(-) homeostasis after transition from light to dark, which affects chloroplast ultrastructure and regulation of photosynthetic electron transport.
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