About: On the chlorophyll a fluorescence yield in chloroplasts upon excitation wtih twin turnover flashes (TTF) and high frequency flash trains

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About: On the chlorophyll a fluorescence yield in chloroplasts upon excitation wtih twin turnover flashes (TTF) and high frequency flash trains Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Práce se zabývá interpretací variabilní fluorescence chlorofylu, která se rutinně používá při studiu fotosyntézy. Nově popisuje možný mechanismus nárůstu variabilní fluorescence během serie krátkých záblesků a to pomocí aktivity tzv. Qb neredukujících center Fotosystému II (cs) Chlorophyll fluorescence is routinely taken as a quantifiable measure of the redox state of the primary quinone acceptor QA of PSII. The variable fluorescence in thylakoids increases in a single turnover flash (STF) from its low dark level Fo towards a maximum FmSTF when QA becomes reduced. We found, using twin single turnover flashes (TTFs) that the fluorescence increase induced by the first twin-partner is followed by a 20 – 30% increase when the second partner is applied within 20 to 100 μs after the first one. The amplitude of the twin response shows a period-of-four oscillation associated with the 4-step oxidation of water in the Kok cycle (S states) and originates from two different trapped states with a life time of 0.2 to 0.4 and 2 to 5 ms, respectively Chlorophyll fluorescence is routinely taken as a quantifiable measure of the redox state of the primary quinone acceptor QA of PSII. The variable fluorescence in thylakoids increases in a single turnover flash (STF) from its low dark level Fo towards a maximum FmSTF when QA becomes reduced. We found, using twin single turnover flashes (TTFs) that the fluorescence increase induced by the first twin-partner is followed by a 20 – 30% increase when the second partner is applied within 20 to 100 μs after the first one. The amplitude of the twin response shows a period-of-four oscillation associated with the 4-step oxidation of water in the Kok cycle (S states) and originates from two different trapped states with a life time of 0.2 to 0.4 and 2 to 5 ms, respectively (en)
Title	On the chlorophyll a fluorescence yield in chloroplasts upon excitation wtih twin turnover flashes (TTF) and high frequency flash trains Výtěžek fluorescence chlorofylu po excitaci mnohoobrátkovými záblesky a při použití serie záblesků (cs) On the chlorophyll a fluorescence yield in chloroplasts upon excitation wtih twin turnover flashes (TTF) and high frequency flash trains (en)
skos:prefLabel	On the chlorophyll a fluorescence yield in chloroplasts upon excitation wtih twin turnover flashes (TTF) and high frequency flash trains Výtěžek fluorescence chlorofylu po excitaci mnohoobrátkovými záblesky a při použití serie záblesků (cs) On the chlorophyll a fluorescence yield in chloroplasts upon excitation wtih twin turnover flashes (TTF) and high frequency flash trains (en)
skos:notation	RIV/61388971:_____/07:00090151!RIV08-AV0-61388971
http://linked.open.../vavai/riv/strany	183;192
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/05/0335), Z(AV0Z50200510), Z(AV0Z50510513)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Prášil, Ondřej
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	Mikrobiologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	439329
http://linked.open...ai/riv/idVysledku	RIV/61388971:_____/07:00090151
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	chlorophyll a; fluorescence quenching; single turnover excitation (en)
http://linked.open.../riv/klicoveSlovo	fluorescence quenching chlorophyll a single turnover excitation
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[41C63EF66328]
http://linked.open...i/riv/nazevZdroje	Photosynthesis Research
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Physiological basis for covariations in light-limited and light-saturated photosynthesis in phytoplankton
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	93
http://linked.open...iv/tvurceVysledku	Prášil, Ondřej Vredenberg, W. Durchan, M.
http://linked.open...n/vavai/riv/zamer	Microorganisms in Research and Biotechnology 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
issn	0166-8595
number of pages	10 (xsd:int)

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