A geraniol-synthase gene from Cinnamomum tenuipilum | |
Yang, T; Li, J![]() ![]() | |
刊名 | PHYTOCHEMISTRY
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2005-02-01 | |
卷号 | 66期号:3页码:285-293 |
关键词 | Cinnamomum Tenuipilum Lauraceae Camphor Tree Functional Expression Chemotypes Essential Oil Ctges Gene Geraniol Synthase Monoterpene Synthases |
ISSN号 | 0031-9422 |
DOI | 10.1016/j.phytochem.2004.12.004 |
文献子类 | Article |
英文摘要 | Geraniol may accumulate up to 86-98% of the leaf essential oils in geraniol chemotypes of the evergreen camphor tree Cinnamomum tenuipilum. A similarity-based cloning strategy yielded a cDNA clone that appeared to encode a terpene synthase and which could be phylogenetically grouped within the angiosperm monoterpene synthase/subfamily. After its expression in Escherichia coli and enzyme assay with prenyl diphosphates as substrates, the enzyme encoded by the putative C. tenuipilum monoterpene synthase gene was shown to specifically convert geranyl diphosphate to geraniol as a single product by GC-MS analysis. Biochemical characterization of the partially purified recombinant protein revealed a strong dependency for Mg2+ and Mn2+, and an apparent Michaelis constant of 55.8 muM for geranyl diphosphate. Thus, a new member of the monoterpene synthase family was identified and designated as CtGES. The genome contains a single copy of CtGES gene. Expression of CtGES was exclusively observed in the geraniol chemotype of C. tenuipilum. Furthermore, in situ hybridization analysis demonstrated that CtGES mRNA was localized in the oil cells of the leaves. (C) 2004 Elsevier Ltd. All rights reserved. |
学科主题 | Biochemistry & Molecular Biology ; Plant Sciences |
WOS关键词 | LIMONENE SYNTHASE ; MYRCENE SYNTHASE ; SECRETORY-CELLS ; EXPRESSION ; L. ; BIOSYNTHESIS ; PEPPERMINT ; SUBFAMILY ; CLONING |
WOS研究方向 | Biochemistry & Molecular Biology ; Plant Sciences |
语种 | 英语 |
WOS记录号 | WOS:000227113100003 |
公开日期 | 2012-03-21 |
内容类型 | 期刊论文 |
源URL | [http://ir.kib.ac.cn:8080/handle/151853/4722] ![]() |
专题 | 昆明植物研究所_植物化学与西部植物资源持续利用国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
推荐引用方式 GB/T 7714 | Yang, T,Li, J,Wang, HX,et al. A geraniol-synthase gene from Cinnamomum tenuipilum[J]. PHYTOCHEMISTRY,2005,66(3):285-293. |
APA | Yang, T,Li, J,Wang, HX,&Zeng, Y.(2005).A geraniol-synthase gene from Cinnamomum tenuipilum.PHYTOCHEMISTRY,66(3),285-293. |
MLA | Yang, T,et al."A geraniol-synthase gene from Cinnamomum tenuipilum".PHYTOCHEMISTRY 66.3(2005):285-293. |
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