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'Enzyme System' in keywords Facet   Publication Year 1975  [X]
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1975[X]
1Author    Ulrich Schreiber, K. Onrad, Colbow\., WilliamV. IdaverRequires cookie*
 Title    Tem perature — Jump Chlorophyll F luorescence Induction in Plants  
 Abstract    In contrast to slower heating rates, a temperature jump reveals complex rise phases in the heat induced chlorophyll fluorescence emission increase in intact plants. Three rise phases have been detected which indicate the stepwise loss of different quenching mechanism of system II fluorescence. Two of the phases appear to reflect heat deactivation of the system II reaction centers, while the other may be as­ sociated with the induction of hydrogenase activity. Varia­ tions in T max of the jump, for the increase in different plant varieties, suggest a correlation with membrane lipid phase transitions affecting thylakoid membrane structure and the fluorescence increase. Chlorophyll fluorescence has been a valuable in ­ dicator for the state and functioning of the photo-synthetic apparatus (for a review, cf. ref. 1). 
  Reference    (Z. Naturforsch. 30c, 689—690 [1975]; received May 12 1975) 
  Published    1975 
  Keywords    Chlorophyll Fluorescence, Temperature Jump, Heat Deacti­ vation, Watersplitting, Enzyme System, Lipid Phase Transition 
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 TEI-XML for    default:Reihe_C/30/ZNC-1975-30c-0689_n.pdf 
 Identifier    ZNC-1975-30c-0689_n 
 Volume    30