Novel chemotaxonomic markers of the Alternaria infectoria species-group

被引：49

作者：

Christensen, KB

Van Klink, JW

Weavers, RT

Larsen, TO

Andersen, B

Phipps, RK

机构：

[1] Tech Univ Denmark, Ctr Microbial Biotechnol, Bioctr, DK-2800 Lyngby, Denmark

[2] Univ Otago, Dept Chem, Dunedin, New Zealand

[3] New Zealand Inst Crop & Food Res Ltd, Plant Extracts Res Unit, Dunedin, New Zealand

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2005年 / 53卷 / 24期

关键词：

Alternaria; chemotaxonomy; alpha-pyrone; infectopyrone; novae-zelandin; phytotoxin;

D O I：

10.1021/jf0513213

中图分类号：

S [农业科学];

学科分类号：

09 [农学];

摘要：

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 1 D 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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收藏

页码：9431 / 9435

页数：5

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