Production of the Mycotoxin Fumonisin B(1) by Alternaria alternata f. sp. lycopersici |
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Authors: | Chen J Mirocha C J Xie W Hogge L Olson D |
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Institution: | Department of Plant Pathology, University of Minnesota, St. Paul, Minnesota 55108, and Plant Biotechnology Institute, National Research Council, Saskatoon, Saskatchewan, Canada S7N 0W9. |
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Abstract: | The mycotoxin fumonisin B(1), originally described as being produced by Fusarium moniliforme, was detected in liquid cultures of Alternaria alternata f. sp. lycopersici, a host-specific pathogen of tomato plants. The metabolite was detected by high-pressure liquid chromatography and mass spectrometry. Its identity was confirmed by fast atom bombardment and ion spray mass spectrometry, as well as parent-daughter tandem mass spectrometry. In three separate experiments, the concentrations found ranged between 5 and 140 ppm (mug/ml). |
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