About: The effects of light-induced reduction of the photosystem II reaction center

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Accumulation of reduced pheophytin a (Pheo-D1) in photosystem II reaction center (PSII RC) under illumination at low redox potential is accompanied by changes in absorbance and circular dichroism spectra. The temperature dependences of these spectral changes have the potential to distinguish between changes caused by the excitonic interaction and temperature-dependent processes. We observed a conformational change in the PSII RC protein part and changes in the spatial positions of the PSII RC pigments of the active D1 branch upon reduction of Pheo-D1 only in the case of high temperature (298 K) dynamics. The resulting absorption difference spectra of PSII RC models equilibrated at temperatures of 77K and 298K were highly consistent with our previous experiments in which light-induced bleaching of the PSII RC absorbance spectrum was observable only at 298K. Accumulation of reduced pheophytin a (Pheo-D1) in photosystem II reaction center (PSII RC) under illumination at low redox potential is accompanied by changes in absorbance and circular dichroism spectra. The temperature dependences of these spectral changes have the potential to distinguish between changes caused by the excitonic interaction and temperature-dependent processes. We observed a conformational change in the PSII RC protein part and changes in the spatial positions of the PSII RC pigments of the active D1 branch upon reduction of Pheo-D1 only in the case of high temperature (298 K) dynamics. The resulting absorption difference spectra of PSII RC models equilibrated at temperatures of 77K and 298K were highly consistent with our previous experiments in which light-induced bleaching of the PSII RC absorbance spectrum was observable only at 298K. (en)
Title	The effects of light-induced reduction of the photosystem II reaction center The effects of light-induced reduction of the photosystem II reaction center (en)
skos:prefLabel	The effects of light-induced reduction of the photosystem II reaction center The effects of light-induced reduction of the photosystem II reaction center (en)
skos:notation	RIV/67179843:_____/09:00341236!RIV10-MSM-67179843
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA203/08/0114), P(LC06010), S, Z(AV0Z50510513), Z(AV0Z60870520), Z(MSM6007665808)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kutý, Michal
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	312431
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/09:00341236
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Photosystem II; Reaction center; Pheophytin (en)
http://linked.open.../riv/klicoveSlovo	Photosystem II Pheophytin Reaction center
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A36B5551DDE2]
http://linked.open...i/riv/nazevZdroje	Journal of Molecular Modeling
http://linked.open...in/vavai/riv/obor	CE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Specific ion effects for proteins in solutions and related biologically relevant systems. Center of Biocatalysis and Biotransformation
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Kutý, Michal
http://linked.open...ain/vavai/riv/wos	000267154200004
http://linked.open...n/vavai/riv/zamer	Výzkum struktury genetické informace rostlin a jejich patogenů na molekulární úrovni, indukce a analýza cílených změn genomu a plastomu a studium fotosyntetických procesů a projevů dědičnosti v interakci s prostředím a patogeny Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change Fyzikální biologie -nové přístupy v biologickém výzkumu
issn	1610-2940
number of pages	11 (xsd:int)

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