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'Phenylpropanoid Metabolism' in keywords Facet   Publication Year 2000  [X]
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1Author    Karin Groten, Wolfgang BarzRequires cookie*
 Title    Elicitor-Induced Defence Reactions in Cell Suspension Cultures of Soybean Cultivars  
 Abstract    Suspension cultured soybean (Glycine max [L.] Merr.) cells of four cultivars (Wilis, Lumut, Kalmit, Doko RC) were compared for their response to different fungal and bacterial elici­ tors. Cells were treated either with crude cell wall extracts of the fungal pathogens Phytophth­ ora sojae (Pmg-elicitor) and Rhizoctonia solani (Riso-elicitor) or with two isolates of the bacterial pathogen Pseudomonas syringae pv. glycinea (Psg01/02) and a broad spectrum of antimicrobial defence reactions was measured. Cells of all four cultivars showed the same elicitor-induced rapid (H20 2 accumulation, alkalinization of the culture medium, peroxida-tive cross-linking of cell wall proteins) and slow (activation of phenylpropanoid metabolism, accumulation of phenolic compounds, induction of PR-proteins) defence responses. How­ ever, the reactivity of the cultivars was not identical in terms of time courses and intensities. Furthermore, the ability of the various elicitors to induce defence responses varied markedly. These differences indicate that (1) cells of the same species but of different cultivars are equipped with the same array of perception systems to recognise various stimuli but (2) the sensitivity of these perception systems or later steps in the signal transduction seem to be stimulated to a different extent in the analysed cultivars. 
  Reference    Z. Naturforsch. 55c, 718—730 (2000); received April 25/June 15 2000 
  Published    2000 
  Keywords    Oxidative Burst, PR-Proteins, Phenylpropanoid Metabolism 
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 TEI-XML for    default:Reihe_C/55/ZNC-2000-55c-0718.pdf 
 Identifier    ZNC-2000-55c-0718 
 Volume    55