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'Phenylalanine Ammonia Lyase' in keywords
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1983 (1)
1Author    W. N. Oé, H. U. SeitzRequires cookie*
 Title    Studies on the Regulatory Role of fra/is-Cinnamic Acid on the Activity of the Phenylalanine Ammonia-Lyase (PAL) in Suspension Cultures of Daucus carota L  
 Abstract    In vivo and in vitro experiments were performed in order to study the regulatory role of trans-cinnamic acid and its hydroxylated derivatives (p-coumaric acid, caffeic acid) on the deamina­ tion of phenylalanine catalyzed by PAL (EC 4.3.1.5). 7>arts-cinnamic acid inhibits growth and reduces the content of soluble proteins of anthocyanin-containing carrot cells grown in suspen­ sion. There is strong evidence from the polysomal patterns and from the effect of ?ra«5-cinnamic acid on protein synthesis in vitro that protein synthesis is inhibited. The kinetic data of PAL clearly demonstrate that /ra«s-cinnamic acid inhibits the enzyme by a noncompetitive mecha­ nism. On the contrary, L-a-aminooxy-/?-phenylpropionic acid (l-AOPP), a competitive inhibitor of PAL, does not affect protein metabolism. 
  Reference    Z. Naturforsch. 38c, 408 (1983); received January 24 1983 
  Published    1983 
  Keywords    Phenylalanine Ammonia-Lyase, Protein Metabolism, Regulation, /ra/js-Cinnamic Acid, Daucus carota, Suspension Culture 
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 TEI-XML for    default:Reihe_C/38/ZNC-1983-38c-0408.pdf 
 Identifier    ZNC-1983-38c-0408 
 Volume    38