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1992 (1)
1Author    Andrea Beimen, Andreas Bermpohl, Dietmar Meletzus, Rudolf Eichenlaub, Wolfgang BarzRequires cookie*
 Title    Accumulation of Phenolic Compounds in Leaves of Tomato Plants after Infection with Clavibacter michiganense subsp. michiganense Strains Differing in Virulence  
 Abstract    Infection experiments using tom ato (Lycopersicon esculentum cv. M oneymaker) plants and three strains o f Clavibacter michiganense subsp. michiganense were conducted. The bacterial isolates differed in plasmid status, virulence (measured as wilting index and as reduction o f plant biomass) and the ability to colonize the plants. Differences in the expression o f exopoly­ saccharides and the exoenzymes endocellulase, polygalacturonase, and xylanase, respectively, were not found with the bacterial isolates. As infection-induced responses o f the plants time-depending increases in soluble phenolic material, including chlorogenic acid and rutin, in the steroid alkaloid tom atine and in cell wall-bound cinnamic acids were found. In the latter frac­ tion / 7-coum aric, ferulic and especially caffeic acid were the main constituents. All plant responses were preferentially expressed in the compatible interaction. Sesquiterpenoid phyto­ alexins were not found in the infected plant tissues. The relation between bacterial pathogen­ icity and plant responses is discussed. 
  Reference    Z. Naturforsch. 47c, 898—9 (1992); received July 13 1992 
  Published    1992 
  Keywords    T om ato, Clavibacter michiganense, Phenolic Compounds, Cell Wall, Plasmid 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0898.pdf 
 Identifier    ZNC-1992-47c-0898 
 Volume    47