The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.
Ion antiport accelerates photosynthetic acclimation in fluctuating light environments
Open accessAbstract
Many photosynthetic organisms globally, including crops, forests and algae, must grow in environments where the availability of light energy fluctuates dramatically. How photosynthesis maintains high efficiency despite such fluctuations in its energy source remains poorly understood. Here we show that Arabidopsis thaliana K+ efflux antiporter (KEA3) is critical for high photosynthetic efficiency under fluctuating light. On a shift from dark to low light, or high to low light, kea3 mutants show prolonged dissipation of absorbed light energy as heat. KEA3 localizes to the thylakoid membrane, and allows proton efflux from the thylakoid lumen by proton/potassium antiport. KEA3’s activity accelerates the downregulation of pH-dependent energy dissipation after transitions to low light, leading to faster recovery of high photosystem II quantum efficiency and increased CO 2 assimilation. Our results reveal a mechanism that increases the efficiency of photosynthesis under fluctuating light.
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1 retracted
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Cited by
Ruban, A. V. (2016) · Plant Physiology · doi:10.1104/pp.15.01935 · Cited by 1,016
Potassium and phosphorus transport and signaling in plants
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In Silico Analysis of the Regulation of the Photosynthetic Electron Transport Chain in C3 Plants
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Metadata
- Authors
- Armbruster, U., Carrillo, L. R., Venema, K., Pavlovic, L., Schmidtmann, E., Kornfeld, A., Jahns, P., Berry, J. A., Kramer, D. M., & Jonikas, M. C.
- Venue
- Nature Communications
- Published
- 2014-11-13
- Volume
- 5
- Issue
- 1
- Pages
- 5439-5439
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W1983930515
- Cited by
- 259
- References
- 38
- FWCI
- 7.54
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Armbruster, U., Carrillo, L. R., Venema, K., Pavlovic, L., Schmidtmann, E., Kornfeld, A., Jahns, P., Berry, J. A., Kramer, D. M., & Jonikas, M. C. (2014). Ion antiport accelerates photosynthetic acclimation in fluctuating light environments. Nature Communications. https://doi.org/10.1038/ncomms6439
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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