About: On the determination of QB-non-reducing photosystem II centers from chlorophyll a fluorescence induction

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The relative height of the so called Fpl (plateau) appearing between the O and P steps in the initial chlorophyll a fluorescence rise (FR) under low exciting light, is frequently used for a determination of the relative amount of QB-non-reducing photosy stem II centers ([PSII-QB-non]rel). On the basis of theoretical approach it has been already suggested that the Fpl level can be influenced, among others, by the intensity of exciting light. In this contribution, we present a calculation of [PSII-QB-non ]rel from the FRs measured at different intensities of exciting light (2-115 umol photons m-2 s-1). We have found that the higher intensity of exciting light, the higher is the estimation of [PSII-QB-non]rel (8-45%); thus the numerical expression of [PS II-QB-non]rel using the Fpl level in the FR is not plausible. Our experimental results were also successfully simulated by a simple mathematical model. The relative height of the so called Fpl (plateau) appearing between the O and P steps in the initial chlorophyll a fluorescence rise (FR) under low exciting light, is frequently used for a determination of the relative amount of QB-non-reducing photosy stem II centers ([PSII-QB-non]rel). On the basis of theoretical approach it has been already suggested that the Fpl level can be influenced, among others, by the intensity of exciting light. In this contribution, we present a calculation of [PSII-QB-non ]rel from the FRs measured at different intensities of exciting light (2-115 umol photons m-2 s-1). We have found that the higher intensity of exciting light, the higher is the estimation of [PSII-QB-non]rel (8-45%); thus the numerical expression of [PS II-QB-non]rel using the Fpl level in the FR is not plausible. Our experimental results were also successfully simulated by a simple mathematical model. (en)
Title	On the determination of QB-non-reducing photosystem II centers from chlorophyll a fluorescence induction On the determination of QB-non-reducing photosystem II centers from chlorophyll a fluorescence induction (en)
skos:prefLabel	On the determination of QB-non-reducing photosystem II centers from chlorophyll a fluorescence induction On the determination of QB-non-reducing photosystem II centers from chlorophyll a fluorescence induction (en)
skos:notation	RIV/61988987:17310/03:00000053!RIV/2004/MSM/173104/N
http://linked.open.../vavai/riv/strany	665-670
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LN00A141), Z(MSM 153100010)
http://linked.open...iv/cisloPeriodika	0
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Štroch, 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	Ostravská univerzita v Ostravě / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	619437
http://linked.open...ai/riv/idVysledku	RIV/61988987:17310/03:00000053
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	chlorophyll a fluorescence induction; intensity of exciting light; mathematical simulation; PSII heterogeneity; QB-non-reducing PSII centers (en)
http://linked.open.../riv/klicoveSlovo	PSII heterogeneity QB-non-reducing PSII centers chlorophyll a fluorescence induction intensity of exciting light mathematical simulation
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B28453F79F78]
http://linked.open...i/riv/nazevZdroje	Plant Science
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Mechanism, ecophysiology and biotechnology of photosynthesis
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	4
http://linked.open...iv/tvurceVysledku	Ilík, Petr Lazár, Dušan Nauš, Jan Štroch, Michal Tomek, Pavel
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20153100010
issn	0168-9452
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	17310

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