Evidence for rapid breakdown of hydrogen peroxide by Botrytis cinerea

Spores of Botrytis cinerea can germinate in the presence of up to 180 mM hydrogen peroxide and its mycelium can develop in the presence of even higher concentrations. The mycelium can breakdown hydrogen peroxide present in its culture medium rapidly in a time-dependent manner. This breakdown depends...

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Bibliographic Details
Published in:FEMS microbiology letters 1999-07, Vol.176 (2), p.455-461
Main Authors: Gil-ad, N.L, Mayer, A.M
Format: Article
Language:English
Subjects:
Benzhydroxamic acid
Biological and medical sciences
Botrytis cinerea
Breakdown
Caffeic acid
Catalase
Culture
Fundamental and applied biological sciences. Psychology
fungal diseases of plants
Growth, nutrition, metabolism, transports, enzymes. Molecular biology
Hydrogen peroxide
Inhibitors
Laccase
Microbiology
Mycology
Oxidation
Peroxidase
plant health
plant pathogenic fungi
Spores
Time dependence
Titanium sulfate
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Summary:Spores of Botrytis cinerea can germinate in the presence of up to 180 mM hydrogen peroxide and its mycelium can develop in the presence of even higher concentrations. The mycelium can breakdown hydrogen peroxide present in its culture medium rapidly in a time-dependent manner. This breakdown depends on the composition of the culture medium, is not inhibited by inhibitors of catalase activity, but is considerably reduced by inhibitors of peroxidase, such as benzhydroxamic acid, and by caffeic acid. In addition, growth in the presence of inducers of laccase formation appears to promote subsequent breakdown of hydrogen peroxide.
ISSN:0378-1097
1574-6968
DOI:10.1111/j.1574-6968.1999.tb13697.x