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'Nitrate' in keywords Facet   section ZfN Section C  [X]
Facet   Publication Year 1981  [X]
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1Author    F. Castillo, F. J. Caballero, J. CárdenasRequires cookie*
 Title    Nitrate Photo-Assimilation by the Phototrophic Bacterium Rhodopseudomonas capsulata EjFj  
 Abstract    Rhodopseudomonas capsulata bacteria photo-assimilated nitrate under anaerobic condi­ tions, but were incapable of reducing it in the dark. The bacteria utilized dissolved N 2 as nitrogen source, but the growth in the presence o f nitrate was 5-fold higher. Nitrite was excreted to the medium, but not stoichiometrically with respect to nitrate consumption. Nitrate reductase is particulate and used reduced viologens or flavins as electron donors for nitrate reduction. The enzyme was inhibited in vitro by KCN, N aN 3, dithioerythritol and mercurials. Ammonia and other sources of reduced nitrogen repressed nitrate reductase synthesis. 
  Reference    Z. Naturforsch. 36c, 1025—1029 (1981); received July 30 1981 
  Published    1981 
  Keywords    Rhodopseudomonas capsulata EjFj, Nitrate, Nitrite, Nitrate Reductase, Photoassimilation 
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 TEI-XML for    default:Reihe_C/36/ZNC-1981-36c-1025.pdf 
 Identifier    ZNC-1981-36c-1025 
 Volume    36