个人简介

Asst. professor (Canadian Research Chair in Plants Natural Products Chemistry, Departments of Botany and Chemistry); Ph.D. Botany (1993) Univ. of Kaiserslautern (Germany); Postdoctoral Fellow (1994-96) Washington State Univ.; Research Associate (1996-2003) Univ. of Wuerzburg (Germany).

研究领域

Analytical Chemistry; Biological & Medicinal Chemistry

The plant surface - a vast stage for interactions… How do plants create flexible, long-lasting, water-proof skins that grow with their organs? How do plants seal their vast surface against adverse climatic conditions? How do insects assess host suitability when they first land on a plant? How can plants select for mutualistic partner insects while excluding their parasitic competitors? How do pitcher plants catch their prey? All primary aboveground plant organs, e. g. leaves, stems, flowers and fruits, are covered by waxy extracellular membranes. The surface of this 'cuticle' forms the interface between plants and their environment, and is therefore of special physiological and ecological relevance. The wax constituents of the cuticle, on one hand, restrict water loss to the atmosphere and therefore perform a central physiological role. On the other hand, the cuticle likely acts as a first chemical and mechanical barrier against pathogenic micro-organisms and herbivorous insects. Characteristic cuticular compounds might act as deterrents against generalistic herbivores, while specialized insects could use them as clues for host-plant recognition. Finally, microscopic structures on the plant surface can reduce the adhesion of insect feet, thereby creating slippery grounds for the animals. Although all these general properties of plant cuticles have been studied for decades, the individual functions of species-specific surfaces remain unclear. To gain a deeper understanding of this important plant tissue, we are integrating molecular biological, chemical, micro-morphological, eco-physiological and biomechanical methods. My research focuses on: 1) the biosynthesis of selected surface compounds, especially its spatial and temporal regulation, 2) the accumulation of surface compounds in the course of organ development, 3) the structure elucidation of novel surface compounds, applying GC-MS and HPLC, microscale derivatization and synthesis of authentic standards 4) the contribution of individual wax layers to the physiological function as a transport barrier for water and volatiles, 5) the role of characteristic surface compounds in creating slippery surfaces and as infochemicals moderating insect behaviour.

近期论文

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Wang, Z. ; Yeats, T. ; Han, H. ; Jetter, R. Cloning And Characterization Of Oxidosqualene Cyclases From Kalanchoe Daigremontiana: Enzymes Catalyzing Up To 10 Rearrangement Steps Yielding Friedelin And Other Triterpenoids. Journal of Biological Chemistry 2010, 285, 29703 - 29712.BibTex 2009 van Maarseveen, C. ; Jetter, R. Composition Of The Epicuticular And Intracuticular Wax Layers On Kalanchoe Daigremontiana (Hamet Et Perr. De La Bathie) Leaves. Phytochemistry 2009, 70, 899-906.BibTex van Maarseveen, C. ; Han, H. ; Jetter, R. Development Of The Cuticular Wax During Growth Of Kalanchoe Daigremontiana (Hamet Et Perr. De La Bathie) Leaves. Plant Cell and Environment 2009, 32, 73-81.BibTex Adato, A. ; Mandel, T. ; Mintz-Oron, S. ; Venger, I. ; Levy, D. ; Yativ, M. ; Dominguez, E. ; Wang, Z. H. ; De Vos, R. C. H. ; Jetter, R. ; Schreiber, L. ; Heredia, A. ; Rogachev, I. ; Aharoni, A. Fruit-Surface Flavonoid Accumulation In Tomato Is Controlled By A Simyb12-Regulated Transcriptional Network. Plos Genetics 2009, 5, 23.BibTex DeBono, A. ; Yeats, T. H. ; Rose, J. K. C. ; Bird, D. ; Jetter, R. ; Kunst, L. ; Samuelsa, L. Arabidopsis Ltpg Is A Glycosylphosphatidylinositol-Anchored Lipid Transfer Protein Required For Export Of Lipids To The Plant Surface. Plant Cell 2009, 21, 1230-1238.BibTex Wen, M. ; Jetter, R. Composition Of Secondary Alcohols, Ketones, Alkanediols, And Ketols In Arabidopsis Thaliana Cuticular Waxes. Journal of Experimental Botany 2009, 60, 1811-1821.BibTex Agrawal, A. A. ; Fishbein, M. ; Jetter, R. ; Salminen, J. P. ; Goldstein, J. B. ; Freitag, A. E. ; Sparks, J. P. Phylogenetic Ecology Of Leaf Surface Traits In The Milkweeds (Asclepias Spp.): Chemistry, Ecophysiology, And Insect Behavior. New Phytologist 2009, 183, 848-867.BibTex 2008 Li, F. ; Wu, X. ; Lam, P. ; Bird, D. ; Zheng, H. ; Samuels, L. ; Jetter, R. ; Kunst, L. Identification Of The Wax Ester Synthase/acyl-Coenzyme A: Diacylglycerol Acyltransferase Wsd1 Required For Stem Wax Ester Biosynthesis In Arabidopsis. Plant Physiology 2008, 148, 97-107.BibTex Jetter, R. ; Kunst, L. Plant Surface Lipid Biosynthetic Pathways And Their Utility For Metabolic Engineering Of Waxes And Hydrocarbon Biofuels. Plant Journal 2008, 54, 670-683.BibTex Ji, X. F. ; Jetter, R. Very Long Chain Alkylresorcinols Accumulate In The Intracuticular Wax Of Rye (Secale Cereale L.) Leaves Near The Tissue Surface. Phytochemistry 2008, 69, 1197-1207.BibTex Mintz-Oron, S. ; Mandel, T. ; Rogachev, I. ; Feldberg, L. ; Lotan, O. ; Yativ, M. ; Wang, Z. ; Jetter, R. ; Venger, I. ; Adato, A. ; Aharoni, A. Gene Expression And Metabolism In Tomato Fruit Surface Tissues. Plant Physiology 2008, 147, 823-851.BibTex Samuels, L. ; Kunst, L. ; Jetter, R. Sealing Plant Surfaces: Cuticular Wax Formation By Epidermal Cells. Annual Review of Plant Biology 2008, 59, 683-707.BibTex 2007 Hovav, R. ; Chehanovsky, N. ; Moy, M. ; Jetter, R. ; Schaffer, A. A. The Identification Of A Gene (Cwp1), Silenced During Solanum Evolution, Which Causes Cuticle Microfissuring And Dehydration When Expressed In Tomato Fruit. Plant Journal 2007, 52, 627-639.BibTex Riedel, M. ; Eichner, A. ; Meimberg, H. ; Jetter, R. Chemical Composition Of Epicuticular Wax Crystals On The Slippery Zone In Pitchers Of Five Nepenthes Species And Hybrids. Planta 2007, 225, 1517-1534.BibTex Buschhaus, C. ; Herz, H. ; Jetter, R. Chemical Composition Of The Epicuticular And Intracuticular Wax Layers On Adaxial Sides Of Rosa Canina Leaves. Annals of Botany 2007, 100, 1557-1564.BibTex Lai, C. ; Kunst, L. ; Jetter, R. Composition Of Alkyl Esters In The Cuticular Wax On Inflorescence Stems Of Arabidopsis Thaliana Cer Mutants. Plant Journal 2007, 50, 189-196.BibTex Buschhaus, C. ; Herz, H. ; Jetter, R. Chemical Composition Of The Epicuticular And Intracuticular Wax Layers On The Adaxial Side Of Ligustrum Vulgare Leaves. New Phytologist 2007, 176, 311-316.BibTex Wen, M. ; Jetter, R. Very-Long-Chain Hydroxyaldehydes From The Cuticular Wax Of Taxus Baccata Needles. Phytochemistry 2007, 68, 2563-2569.BibTex Bird, D. ; Beisson, F. ; Brigham, A. ; Shin, J. ; Greer, S. ; Jetter, R. ; Kunst, L. ; Wu, X. W. ; Yephremov, A. ; Samuels, L. Characterization Of Arabidopsis Abcg11/wbc11, An Atp Binding Cassette (Abc) Transporter That Is Required For Cuticular Lipid Secretion. Plant Journal 2007, 52, 485-498.BibTex Greer, S. ; Wen, M. ; Bird, D. ; Wu, X. M. ; Samuels, L. ; Kunst, L. ; Jetter, R. The Cytochrome P450 Enzyme Cyp96A15 Is The Midchain Alkane Hydroxylase Responsible For Formation Of Secondary Alcohols And Ketones In Stem Cuticular Wax Of Arabidopsis. Plant Physiology 2007, 145, 653-667.BibTex