Journal Article

Evidence for rapid breakdown of hydrogen peroxide by Botrytis cinerea

Nir L. Gil-ad and Alfred M. Mayer

in FEMS Microbiology Letters

Volume 176, issue 2, pages 455-461
Published in print July 1999 |
Published online January 2006 | e-ISSN: 1574-6968 | DOI:

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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.

Keywords: Hydrogen peroxide; Breakdown; Titanium sulfate; Caffeic acid; Benzhydroxamic acid; Botrytis cinerea

Journal Article.  3118 words.  Illustrated.

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