PGR5 Is Involved in Cyclic Electron Flow around Photosystem I and Is Essential for Photoprotection in Arabidopsis

During photosynthesis, plants must control the utilization of light energy in order to avoid photoinhibition. We isolated an Arabidopsis mutant, pgr5 ( proton gradient regulation), in which downregulation of photosystem II photochemistry in response to intense light was impaired. PGR5 encodes a nove...

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Veröffentlicht in:	Cell 2002-08, Vol.110 (3), p.361-371
Hauptverfasser:	Munekage, Yuri, Hojo, Masaya, Meurer, Jörg, Endo, Tsuyoshi, Tasaka, Masao, Shikanai, Toshiharu
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acid Sequence - genetics Arabidopsis - cytology Arabidopsis - genetics Arabidopsis - metabolism Arabidopsis Proteins - genetics Arabidopsis Proteins - isolation & purification Arabidopsis Proteins - radiation effects Base Sequence - genetics Carbon Dioxide - metabolism Cell Respiration - genetics Cell Respiration - radiation effects Chlorophyll - genetics Chlorophyll - metabolism Chlorophyll - radiation effects Electron Transport - genetics Electron Transport - radiation effects Gene Expression Regulation, Plant - physiology Gene Expression Regulation, Plant - radiation effects Light - adverse effects Light-Harvesting Protein Complexes Macromolecular Substances Molecular Sequence Data Mutation - genetics Mutation - radiation effects NADP - genetics NADP - metabolism NADP - radiation effects Oxidation-Reduction - radiation effects Oxygen - metabolism Photic Stimulation - adverse effects Photosynthesis - genetics Photosynthesis - radiation effects Photosynthetic Reaction Center Complex Proteins - genetics Photosynthetic Reaction Center Complex Proteins - isolation & purification Photosynthetic Reaction Center Complex Proteins - metabolism Photosynthetic Reaction Center Complex Proteins - radiation effects Photosystem I Protein Complex Photosystem II Protein Complex Thylakoids - genetics Thylakoids - metabolism Thylakoids - radiation effects
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