Phytotoxic chaetoglobosins are produced by the plant pathogen Calonectria morganii (anamorph Cylindrocladium scoparium)

Christian von Wallbrunn; Heinrich Luftmann; Klaus Bergander; Friedhelm Meinhardt

doi:10.2323/jgam.47.33

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Phytotoxic chaetoglobosins are produced by the plant pathogen Calonectria morganii (anamorph Cylindrocladium scoparium)

Christian von Wallbrunn, Heinrich Luftmann, Klaus Bergander, Friedhelm Meinhardt

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Keywords: Calonectria morganii, chaetoglobosin A, Cylindrocladium scoparium, cytochalasan, phytotoxin

JOURNAL FREE ACCESS

2001 Volume 47 Issue 1 Pages 33-38

DOI https://doi.org/10.2323/jgam.47.33

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Abstract

By the application of a bioassay based on cresson seedlings, two phytotoxic compounds were isolated by thin-layer chromatography from the culture fluid of a Calonectria morganii isolate. The structure of both compounds was elucidated by ESI/MS and NMR spectroscopy. According to the Chemical Abstracts database, they were identified as chaetoglobosin A and 19-O-acetylchaetoglobosin A, mycotoxins originally described for Chaetomium globosum.

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