Novel chemotaxonomic markers of the Alternaria infectoria species-group |
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| Authors: | Christensen Kathrine B Van Klink John W Weavers Rex T Larsen Thomas O Andersen Birgitte Phipps Richard K |
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| Affiliation: | Center for Microbial Biotechnology, BioCentrum-DTU, S?ltofts Plads, Building 221, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark. |
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| Abstract: | Two new structurally related metabolites, novae-zelandin A (1) and novae-zelandin B (2), as well as the novel metabolite 4Z-infectopyrone (3) were purified from extracts of filamentous fungi belonging to the Alternaria infectoria species-group. The structures were elucidated by a combination of 1D and 2D NMR spectroscopic data and MS data. 1-3 are important chemotaxonomic markers of the A. infectoria species-group and exhibit structures similar to those of known biologically active compounds, suggesting that they could be potential phytotoxins. |
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