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1996 (1)
1975 (1)
1Author    Jochen Berlin, Wolfgang BarzRequires cookie*
 Title    Oxidative Decarboxylation of /?^m-Hydroxybenzoic Acids by Peroxidases under in vivo and in vitro Conditions  
 Abstract    Oxidative decarboxylation of p-hydroxybenzoic acids in plant cell suspension cultures is catalyzed by peroxidases. This reaction has been characterized in vivo and in vitro. Decarboxylation of sub­ stituted benzoic acids yields monomeric, dimeric and oligomeric benzoquinones. All peroxidases ob­ tained from soybean (Glycine max) cell suspension cultures by gel electrophoresis are equally capable to decarboxylate p-hydroxybenzoic acids as indicated by their rather low differences in specific activity for various benzoic acids. 
  Reference    (Z. Naturforsch. 30c, 650—658 [1975]; received May 2911975) 
  Published    1975 
  Keywords    Decarboxylation, p-Hydroxybenzoic Acids, Peroxidases, Plant Cell Suspension Cultures 
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 TEI-XML for    default:Reihe_C/30/ZNC-1975-30c-0650.pdf 
 Identifier    ZNC-1975-30c-0650 
 Volume    30 
2Author    A. Kio Kobayashi1, JoK. Myong, Im, Kazuyoshi Kawazu0Requires cookie*
 Title    Uptake and Exudation of Phenolic Compounds by Wheat and Antimicrobial Components of the Root Exudate  
 Abstract    In the course of our study, it was found that phenyl propenoic acid derivatives were readily taken up by wheat. Leaf leachate components were chosen for the feeding experiments and /j-coumaric acid, ferulic acid and caffeic acid were found to be quickly taken up into the plants via the roots. The analytical study revealed that the exudate contained potent antim i­ crobial compounds together with amino acids and sugars. Besides the primary metabolites, 4-hydroxystyrene, 3-methoxy-4-hydroxystyrene and 3-methoxy-4-acetoxystyrene were identified as exudate components from wheat roots in sterile hydroponic culture. This indicates that these antimicrobial components may play a significant role in the defense system as allelochemicals for the rhizosphere. 
  Reference    Z. Naturforsch. 51c, 527—533 (1996); received January 31/ 
  Published    1996 
  Keywords    Decarboxylation, p-Coumaric Acid Ferulic Acid, Caffeic Acid, Uptake, Exudate, Antimicrobial Styrenes 
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 TEI-XML for    default:Reihe_C/51/ZNC-1996-51c-0527.pdf 
 Identifier    ZNC-1996-51c-0527 
 Volume    51