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'Cyanobacterium' in keywords Facet   Publication Year 1982  [X]
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1Author    Georg SchmettererRequires cookie*
 Title    Formation of Hydrocarbons by Photobleaching Cyanobacterium, A nacystis nidulans  
 Abstract    The cyanobacterium Anacystis nidulans is bleached when subjected to both light and 0 2 to­ gether with suitable (pre)treatment o f the cells such as incubation at high (^ 4 8 °C) or low (S 17 °C) temperatures, or in presence o f metabolic inhibitors, or o f substances forming com­ plexes with divalent cations. Concomitantly degradation o f the intracellular membranes is ob­ served (G. Schmetterer, G. A. Peschek, Biochem. Physiol. Pflanzen 176, 9 0 —100 (1981)). The same three conditions cause formation o f hydrocarbons, mostly ethane, a characteristic product of lipid peroxidation. Ethane production is unchanged and still light-sensitive even when no more pigments can be detected in the cells. In "white" cells light-dependent 0 2-uptake is also observed. The action spectrum of this process suggests that "completely" bleached cells retain very small amounts of residual chlorophyll, which must be unusually resistant to photooxidation. 
  Reference    Z. Naturforsch. 37c, 205 (1982); received November 51981 
  Published    1982 
  Keywords    Photooxidation, Ethane Production, Cyanobacterium, Anacystis nidulans, Lipid Peroxidation 
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 TEI-XML for    default:Reihe_C/37/ZNC-1982-37c-0205.pdf 
 Identifier    ZNC-1982-37c-0205 
 Volume    37 
2Author    Wolfgang Lockau, Susanne PfefferRequires cookie*
 Title    A Cyanobacterial ATPase Distinct from the Coupling Factor of Photophosphorylation  
 Abstract    A particle-bound, M g2+-dependent A TPase activity is investigated in cell-free extracts o f the cyanobacterium Anabaena variabilis. The enzym e can be clearly distinguished from the 
  Reference    Z. Naturforsch. 37c, 658 (1982); received March 231982 
  Published    1982 
  Keywords    Cyanobacterium, Anabaena variabilis, ATPase, Coupling Factor, Cytochrom e Oxidase 
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 TEI-XML for    default:Reihe_C/37/ZNC-1982-37c-0658.pdf 
 Identifier    ZNC-1982-37c-0658 
 Volume    37