Photochemical and photoelectrochemical quenching of chlorophyll fluorescence in photosystem II

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F09%3A00335115" target="_blank" >RIV/61388971:_____/09:00335115 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Photochemical and photoelectrochemical quenching of chlorophyll fluorescence in photosystem II

Popis výsledku v původním jazyce

This paper deals with kinetics and properties of variable fluorescence in leaves and thylakoids upon excitation with low intensity multi-turnover actinic light pulses corresponding with an excitation rate of about 10 Hz. These show a relatively small andamply documented rise in the sub-s time range towards the plateau level Fpl followed by a delayed and S-shaped rise towards a steady state level Fm which is between three and four fold the initial dark fluorescence level Fo. Properties of this retardedslow rise are i) rate of dark recovery is (1?6 s)1, ii) suppression by low concentration of protonophores, iii) responsiveness to complementary single turnover flash excitation with transient amplitude towards a level Fm which is between five and six fold the initial dark fluorescence level Fo and iv) in harmony with and quantitatively interpretable in terms of a release of photoelectrochemical quenching controlled by the trans-thylakoid proton pump powered by the light-driven Q cycle

Název v anglickém jazyce

Photochemical and photoelectrochemical quenching of chlorophyll fluorescence in photosystem II

Popis výsledku anglicky

This paper deals with kinetics and properties of variable fluorescence in leaves and thylakoids upon excitation with low intensity multi-turnover actinic light pulses corresponding with an excitation rate of about 10 Hz. These show a relatively small andamply documented rise in the sub-s time range towards the plateau level Fpl followed by a delayed and S-shaped rise towards a steady state level Fm which is between three and four fold the initial dark fluorescence level Fo. Properties of this retardedslow rise are i) rate of dark recovery is (1?6 s)1, ii) suppression by low concentration of protonophores, iii) responsiveness to complementary single turnover flash excitation with transient amplitude towards a level Fm which is between five and six fold the initial dark fluorescence level Fo and iv) in harmony with and quantitatively interpretable in terms of a release of photoelectrochemical quenching controlled by the trans-thylakoid proton pump powered by the light-driven Q cycle

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

EE - Mikrobiologie, virologie

OECD FORD obor

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Projekt

<a href="/cs/project/GA206%2F08%2F1683" target="_blank" >GA206/08/1683: Vliv CO2 na regulaci fotosyntézy diazotrofních sinic</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Biochimica Et Biophysica Acta-Bioenergetics

ISSN

0005-2728

e-ISSN

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Svazek periodika

1787

Číslo periodika v rámci svazku

12

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

11

Strana od-do

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Kód UT WoS článku

000270100400006

EID výsledku v databázi Scopus

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