Abstract
The pigment 8-O-methylbostrycoidin is a polyketide metabolite produced by multiple species of the fungus Fusarium that infects plant crops, including maize. A technique was developed for the analysis of 8-O-methylbostrycoidin by high performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry. The quantitative nature of the LC-MS/MS experiment was demonstrated over a range of concentrations in maize. Limits of detection for the method (10 ng/g from 8-O-methylbostrycoidin spiked into ground maize) were shown, and susceptibility of the method to matrix effects from maize was also evaluated. The method was applied to evaluate the ability of the maize pathogen Fusarium verticillioides to produce 8-O-methylbostrycoidin in developing maize ears grown in an agricultural field.
Highlights
Introduction8-O-methylbostrycoidin (Figure (Figure 1), 1), is is an an azaanthraquinone secondary metabolite metabolite
IntroductionThe pigment, pigment, 8-O-methylbostrycoidin8-O-methylbostrycoidin (Figure (Figure 1), 1), is is an an azaanthraquinone secondary metabolite metaboliteThe azaanthraquinone secondary that is widely produced by species of the filamentous fungus Fusarium.complete that is widely produced by species of the filamentous fungus Fusarium
The azaanthraquinone secondary that is widely produced by species of the filamentous fungus complete that is widely produced by species of the filamentous fungus Fusarium
Summary
8-O-methylbostrycoidin (Figure (Figure 1), 1), is is an an azaanthraquinone secondary metabolite metabolite. The azaanthraquinone secondary that is widely produced by species of the filamentous fungus. Complete that is widely produced by species of the filamentous fungus Fusarium. A complete structural structural characterization was was accomplished accomplished by by Steyn. Cameron [2,3]. Deng has recently noted production from a marine Aspergillus isolate [5]
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