Inhibition of Photosynthetic Electron Transport by UV-A Radiation Targets the Photosystem II Complex

We have studied the inhibition of photosynthetic electron transport by UV-A (320–400 nm) radiation in isolated spinach thylakoids. Measurements of Photosystem II (PSII) and Photosystem I activity by Clark-type oxygen electrode demonstrated that electron flow is impaired primarily in PSII. The site a...

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Veröffentlicht in:	Photochemistry and photobiology 2000-10, Vol.72 (4), p.513-520
Hauptverfasser:	Turcsányi, Enikö, Vass, Imre
Format:	Artikel
Sprache:	eng
Schlagworte:	Electron Transport - radiation effects Photosynthesis - radiation effects PHOTOSYNTHESIS AND PHOTOCONVERSION Photosynthetic Reaction Center Complex Proteins - antagonists & inhibitors Photosynthetic Reaction Center Complex Proteins - metabolism Photosystem I Protein Complex Photosystem II Protein Complex Spinacia oleracea - chemistry Ultraviolet Rays - adverse effects
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