| Plant Terpenoids： Biosynthesis and Ecological Functions |
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| 作者姓名： | Ai-Xia Cheng Yong-Gen Lou Ying-Bo Mao Shan Lu Ling-Jian Wang Xiao-Ya Chen |
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| 作者单位： | [1]National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, the Chinese Academy of Sciences, Shanghai 200032, China [2]Institute of Insect Sciences, Zhejiang University, Hangzhou 310029, China |
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| 基金项目： | Supported by the Knowledge Innovation Program of the Chinese Academy of Sciences （KSCX2-SW-329）, Shanghai Basic Research Programs （03DJ14016）, and the National Natural Science Foundation of China （30370122）. |
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| 摘 要： | Among plant secondary metabolites terpenolds are a structurally most diverse group; they function as phytoalexins In plant direct defense, or as signals In Indirect defense responses which involves herbivores and their natural enemies. In recent years, more and more attention has been paid to the Investigation of the ecological role of plant terpenolds. The biosynthesis pathways of monoterpenes, sesquiterpenes, and diterpenes Include the synthesis of C5 precursor isopentenyl diphosphate （IPP） and Its allylic isomer dlmethylallyl dlphosphate （DMAPP）, the synthesis of the immediate diphosphate precursors, and the formation of the diverse terpenoids. Terpene synthases （TPSs） play a key role In volatile terpene synthesis. By expression of the TPS genes, significant achievements have been made on metabolic engineering to Increase terpenoid production. This review mainly summarizes the recent research progress In elucidating the ecological role of terpenoids and characterization of the enzymes Involved in the terpenold biosynthesis. Spatial and temporal regulations of terpenoids metabolism are also discussed.
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| 关 键 词： | 萜类化合物 生物合成 生态功能 抗性机制 植物 |
| 修稿时间： | 2006-07-202006-10-18 |
Plant Terpenoids: Biosynthesis and Ecological Functions |
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| Authors: | Ai-Xia Cheng Yong-Gen Lou Ying-Bo Mao Shan Lu Ling-Jian Wang Xiao-Ya Chen |
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| Institution: | National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, the Chinese Academy of Sciences, Shanghai 200032, China;Institute of Insect Sciences, Zhejiang University, Hangzhou 310029, China |
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| Abstract: | Among plant secondary metabolites terpenoids are a structurally most diverse group; they function as phytoalex‐ins in plant direct defense, or as signals in indirect defense responses which involves herbivores and their natural enemies. In recent years, more and more attention has been paid to the investigation of the ecological role of plant terpenoids. The biosynthesis pathways of monoterpenes, sesquiterpenes, and diterpenes include the synthesis of C5 precursor isopentenyl diphosphate (IPP) and its allylic isomer dimethylallyl diphosphate (DMAPP), the synthesis of the immediate diphosphate precursors, and the formation of the diverse terpenoids. Terpene synthases (TPSs) play a key role in volatile terpene synthesis. By expression of the TPS genes, significant achievements have been made on metabolic engineering to increase terpenoid production. This review mainly summarizes the recent research progress in elucidating the ecological role of terpenoids and characterization of the enzymes involved in the terpenoid biosynthesis. Spatial and temporal regulations of terpenoids metabolism are also discussed. |
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| Keywords: | chemical ecology metabolism regulation plant terpenoids terpene synthase |
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