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The spectral characteristic of the fluorescence induction in cyanobacterium PCC 7942 – role of state transition

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    0322139 - MBÚ 2009 CZ eng A - Abstract
    Kaňa, Radek - Prášil, Ondřej - Komárek, O. - Govindjee - Papageorgiou, G. C.
    The spectral characteristic of the fluorescence induction in cyanobacterium PCC 7942 – role of state transition.
    [Spektrální charakterizace fluorescenční indukce sinice PCC 7942.]
    European Workshop on Molecular Biology of Cyanobacteria /7./. České Budějovice: MBU, 2008. s. 41-41.
    [European Workshop on Molecular Biology of Cyanobacteria /7./. 31.08.2008-04.09.2008, České Budějovice]
    Institutional research plan: CEZ:AV0Z50200510
    Keywords : fluorescence induction
    Subject RIV: EE - Microbiology, Virology

    We present three-dimensional time-wavelength displays of the intensity of chlorophyll a fluorescence that Synechococcus sp. PCC7942 (i) The main Chl a emission band at ~684 nm that originates in photosystem (PS) II exhibits typi¬cal fast (OPS) and slow (SMT) FI. (ii) Similar kinetics are exhibited by its far-red emission satellite band centered at ~746 nm where the PS II contribution predomi¬nates. (iii) Comparatively low amplitude of OPS-SMT kinetics were observed for the far-red emission at ~710 nm that originates mostly from Chl a of PS I. (iv) A significant OPSMT kinetics, at 652 nm, were observed with the blue light excitation, but not with the orange light excitation

    V práci ukazujeme časově-spektrální závislost intensity emise fluorescence sinice Synechococcus sp. PCC7942. Hlavní emisní pás Fotosystému II u 684 nm a jeho satelit u 740 nm mají typický průběh (OPSMT). Emise pásu Fotosystému I vykazuje jen malou změnu s časem. Výraznou kinetiku vykazuje pás fykolbilinů u 652 nm
    Permanent Link: http://hdl.handle.net/11104/0170478

     
     
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