Biosynthesis of the hemi- and monoterpene moieties of isoprenyl phenyl ethers from the liverwort Trichocolea tomentella

被引：18

作者：

Barlow, AJ

Becker, H

Adam, KP

机构：

[1] Univ Otago, Dept Chem, New Zealand Inst Crop & Food Res Ltd, Plant Extracts Res Unit, Dunedin, New Zealand

[2] Univ Saarland, D-66041 Saarbrucken, Germany

来源：

PHYTOCHEMISTRY | 2001年 / 57卷 / 01期

关键词：

Trichocolea tomentella; isopentenyl diphosphate; mevalonic acid pathway; methylerythritol phosphate pathway; isoprenoids; hemiterpene; monoterpcne; phytol; stigmasterol; C-13-labelling; liverwort; quantitative C-13 NMR spectroscopy;

D O I：

10.1016/S0031-9422(01)00002-4

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The incorporation of C-13 labelled glucose into trichocolein, deoxytomentellin, trans-phytol and stigmasterol has been studied in axenic cultures of the liverwort Trichocolea tomentella. Quantitative C-13 NMR spectroscopic analysis of the resulting labelling patterns showed that the isoprene units of the hemi- and monoterpenoid moieties and the diterpene phytol are derived from the methylerythritol phosphate pathway, whereas the isoprene units of stigmasterol are built up via the mevalonic acid pathway. These results indicate the involvement of both IPP biosynthetic pathways in different cellular compartments. A new, hydroperoxy geranyl phenyl ether derivative is also described. (C) 2001 Elsevier Science Ltd. All rights reserved.

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页码：7 / 14

页数：8

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