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'Inhibitors' in keywords Facet   section ZfN Section C:Volume 039  [X]
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1984 (2)
1Author    Klaus Pfister, U. Lrich, S. ChreiberRequires cookie*
 Title    Comparison of Diuron-and Phenol-Type Inhibitors: Additional Inhibitory Action at the Photosystem II Donor Site  
 Abstract    Inhibitors o f photosystem II reactions from the "diuron-type" and "phenol-type" have been compared regarding their m echanism o f action. "Diuron-" as well as "phenol-type" inhibitors act at the acceptor site o f photosystem II by displacing the secondary acceptor quinone Q B from its binding site. "Phenol-type" inhibitors additionally interfere with the donor site, which is demonstrated in studies o f chlorophyll fluorescence and lum inescence. This m echanism o f action is shown to be similar but not identical to that reported for hydroxylam ine. 
  Reference    Z. Naturforsch. 39c, 389 (1984); received D ecem ber 1 1983 
  Published    1984 
  Keywords    Herbicides, Photosynthesis, Fluorescence, Lum inescence, Inhibitors 
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 TEI-XML for    default:Reihe_C/39/ZNC-1984-39c-0389.pdf 
 Identifier    ZNC-1984-39c-0389 
 Volume    39 
2Author    Gerhard Sandmann, IanE. Clarke, PeterM. Bramley, Peter BögerRequires cookie*
 Title    Inhibition of Phytoene Desaturase — the Mode of Action of Certain Bleaching Herbicides  
 Abstract    Assay systems have been developed in order to differentiate betw een the m odes o f action o f certain bleaching herbicides. These include inhibition o f chlorophyll or carotenoid biosynthesis, and initiation o f pigment degradation. H erbicidal com pounds with phytoene desaturase as their primary target site were investigated in a cell-free carotenogenic system from Aphanocapsa. In a comparative study, the structural prerequisites for inh ib ition o f phytoene desaturase were estab­ lished for both benzophenone analogs and various m -phenoxybenzam ides. This inhibitory action o f the latter compounds is enhanced by lipophilic groups with certain steric properties. 
  Reference    Z. Naturforsch. 39c, 443 (1984); received N ovem ber 1 1983 
  Published    1984 
  Keywords    Bleaching Herbicides, Cell-Free System, Carotene Biosynthesis, P hytoene Desaturase, Inhibitors 
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 TEI-XML for    default:Reihe_C/39/ZNC-1984-39c-0443.pdf 
 Identifier    ZNC-1984-39c-0443 
 Volume    39