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Light induced regulation of excitation energy transfer during the development of barley photosynthetic apparatus under different irradiances.

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61988987%3A17310%2F01%3A00000024" target="_blank" >RIV/61988987:17310/01:00000024 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Light induced regulation of excitation energy transfer during the development of barley photosynthetic apparatus under different irradiances.

  • Original language description

    Effect of short-term exposure to high irradiance (1500 umol.m-2.s-1) on the transfer of excitation energy was studied during greening of barley plants at low (50 umol.m-2.s-1, LI) or high (1000 umol.m-2.s-1, HI) irradiances using 77K excitation spectra and room temperature modulated chlorophyll a fluorescence. The ability to down-regulate the efficiency of excitation energy transfer was inhibited for the HI plants grown under the intermittent light regime, due to the strong suppression of the accumulation of light harvesting complexes (LHC's) of both photosystems II and I. During greening under continuous light the ability to promptly regulate the excitation energy transfer within both photosystems was assessed from the light induced decrease of the excitation band attributed to the chlorophyll b and carotenoids (460-500 nm) in the 77K excitation spectra of Chl a fluorescence detected at 685 nm and 743 nm, respectively.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/LN00A141" target="_blank" >LN00A141: Mechanism, ecophysiology and biotechnology of photosynthesis</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2001

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Acta Facultatis Rerum Naturalium Universitas Ostraviensis

  • ISBN

    80-7042-810-4

  • ISSN

  • e-ISSN

  • Number of pages

    19

  • Pages from-to

    69

  • Publisher name

    Ostravská univerzita v Ostravě

  • Place of publication

    Ostrava

  • Event location

    Ostrava

  • Event date

    Jan 1, 2001

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article