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1992 (1)
1Author    Hiroshi Hirano, M. Asaaki Sakuta, Atsushi Kom, Am IneRequires cookie*
 Title    Inhibition by Cytokinin of the Accumulation of Betacyanin in Suspension Cultures of Phytolacca americana  
 Abstract    The accumulation o f betacyanin was reduced by the addition o f various cytokinins to sus­ pension cultures o f Phytolacca americana. The decrease in the accumulation o f betacyanin was overcome by exogenously supplied tyrosine which is a precursor o f betacyanin. Benzylamino-purine (BAP) decreased the level o f free tyrosine in the cells. Feeding experiments using labeled tyrosine revealed that BAP reduced the incorporation o f labeled tyrosine into betacyanins (to about 50% o f the control rate). These results suggest that both the availability o f tyrosine and the biosynthetic activity o f the pathway from tyrosine to the betacyanins are involved in the inhibition o f the accumulation o f betacyanins by cytokinins in P hytolacca americana cells. 
  Reference    Z. Naturforsch. 47c, 705 (1992); received June 29/A ugust 17 1992 
  Published    1992 
  Keywords    Betacyanin, Cytokinin, Phytolacca americana, Suspension Culture, Tyrosine 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0705.pdf 
 Identifier    ZNC-1992-47c-0705 
 Volume    47