Abstract
With the help of active types of oxygen, extracellular enzymes and mechanical processes,Botrytis cinerea is capable of infecting plant tissue. Whereas no clear correlation was found between the activities of protease, pectolytic or other cell wall degrading enzymes and virulence, a positive correlation between pathogenicity and the intensity of active types of oxygen released was apparent in some isolates. It is assumed that these toxins result from the activity of glucose or xylose oxidases. Antioxidants inhibited the infection. It is concluded from these results, that active types of oxygen play a decisive role in the infection process.
Samenvatting
Met behulp van reactieve zuurstofverbindingen, extracellulaire enzymen en mechanische processen isBotrytis cinerea in staat planten te infecteren. Terwijl er geen duidelijke positieve correlatie gevonden werd tussen activiteiten van proteases, pectolytische enzymen en celwandafbrekende enzymen enerzijds en pathogeniteit anderzijds, werd wel een positieve correlatie waargenomen tussen pathogeniteit van sommige isolaten en het vrijmaken van reactieve zuurstofverbindingen door deze isolaten. Er wordt aangenomen dat deze toxische zuurstofverbindingen vrijkomen door activiteit van glucose- en xylose-oxidasen. Antioxidantia remden het infectieproces. Uit deze resultaten werd geconcludeerd dat de reactieve zuurstofverbindingen een beslissende rol spelen in het infectieproces vanB. cinerea.
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Edlich, W., Lorenz, G., Lyr, H. et al. New aspects on the infection mechanism of Botrytis cinerea Pers. Netherlands Journal of Plant Pathology 95 (Suppl 1), 53–62 (1989). https://doi.org/10.1007/BF01974284
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DOI: https://doi.org/10.1007/BF01974284