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EN
ČeštinaEnglish

Chlorophyll a fluorescence rise induced by high light illumination of dark-adapted plant tissue studied by means of a model of photosystem II and considering photosystem II heterogeneity.

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15410%2F03%3A00001432" target="_blank" >RIV/61989592:15410/03:00001432 - isvavai.cz</a>

  • Result on the web

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  • DOI - Digital Object Identifier

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Alternative languages

  • Result language

    angličtina

  • Original language name

    Chlorophyll a fluorescence rise induced by high light illumination of dark-adapted plant tissue studied by means of a model of photosystem II and considering photosystem II heterogeneity.

  • Original language description

    Chlorophyll a fluorescence rise (FLR) measured in vivo in dark-adapted plant tissue immediately after the onset of high light continuous illumination shows complex O-K-J-I-P transient. The steps typically appear at about 400 micro s (K), 2 ms (J), 30 ms(I), and 200 - 500 ms (P) and a transient decrease of fluorescence to local minima (dips D) can be observed after the K, J, and I steps. As the FLR reflects a function of photosystem II (PSII) and to more understand the FLR, a PSII reactions model was formulated comprising equilibrium of excited states among all light harvesting and reaction centre pigments and P680, reversible radical pair formation and the donor and acceptor side functions. Such formulated model is the most detailed and complex modelof PSII reactions used so far for simulations of the FLR. By varying of selected model parameters (rate constants and initial conditions) several conclusions can be made as for the origin of and changes in shape of the theoretical FLR and

  • Czech name

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  • Czech description

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Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

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Result continuities

  • Project

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  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2003

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Theoretical Biology

  • ISSN

    0022-5193

  • e-ISSN

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  • Volume of the periodical

    220

  • Issue of the periodical within the volume

    N

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    35

  • Pages from-to

    469-503

  • UT code for WoS article

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  • EID of the result in the Scopus database

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Similar results(10)

Modelling of light-induced chlorophyll a fluorescence rise (O-J-I-P transient) and changes in 820 nm-transmittance signal of photosynthesisSimulations show that a small part of variable chlorophyll a fluorescence originates in photosystem I and contributes to overall fluorescence rise.On the approaches applied in formulation of a kinetic model of photosystem II: Different approaches lead to different simulations of the chlorophyll a fluorescence transients.