Martin-Luther-Universität Halle-Wittenberg

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Recent Publications

2022

Elyasi R, Majdi M, Krause ST, Kücükay N, Azizi A, Degenhardt J. Identification and functional characterization of a γ-terpinene synthase in Nigella sativa L (black cumin). Phytochemistry. 2022;202(113290). doi:10.1016/j.phytochem.2022.113290   

2021

Krause ST, Liao P, Crocoll C, Boachon B, Förster C, Leidecker F, Wiese N, Zhao D, Wood J, Buell C, Gershenzon J, Dudareva N, Degenhardt J. The biosynthesis of thymol, carvacrol, and thymohydroquinone in Lamiaceae proceeds via cytochrome P450s and a short-chain dehydrogenase. PNAS 2021;118(52). doi:10.1073/pnas.2110092118   

2020

Köllner TG, Degenhardt J, Gershenzon J. The product specificities of maize terpene synthases tps4 and tps10 are determined both by active site amino acids and residues adjacent to the active site. Plants. 2020;9(552). doi:10.3390/plants9050552   

2019

Kainer D, Padovan A, Degenhardt J,Krause S, Mondal P, Foley WJ, Külheim C. High marker density GWAS provides novel insights into the genomic architecture of terpene oil yield in Eucalyptus. New Phytol. 2019;223:1489-1504. doi:10.1111/nph.15887   

2018

Wiese N, Fischer J, Heidler J, Lewkowski O, Degenhardt J, Erler S. The terpenes of leaves, pollen, and nectar of thyme (Thymus vulgaris) inhibit growth of bee disease-associated microbes. Sci Rep. 2018;8(14634):1-12. doi:10.1038/s41598-018-32849-6   

2017

Otto LG, Mondal P, Brassac J,Preiss S, Degenhardt J, He S, Reif JC, Sharbel TF. Use of genotyping-by-sequencing to determine the genetic structure in the medicinal plant chamomile, and to identify flowering time and alpha-bisabolol associated SNP-loci by genome-wide association mapping. BMC Genomics. 2017;18(599):1-18. doi:10.1186/s12864-017-3991-0   

Padovan A, Keszei A, Hassan Y, Krause ST, Köllner TG, Degenhardt J, Gershenzon J, Külheim C, Foley, WJ. Four terpene synthases contribute to the generation of chemotypes in tea tree (Melaleuca alternifolia). BMC Plant Biol. 2017;17(160):1-14. doi:10.1186/s12870-017-1107-2   

Tamiru A, Bruce TJA, Richter A, Woodcock CM, Midega CAO, Degenhardt J, Kelemu S, Pickett JA, Khan ZRA. A maize landrace that emits defense volatiles in response to herbivore eggs possesses a strongly inducible terpene synthase gene. EcolEvol. 2017;7(8):2835-2845. doi:10.1002/ece3.2893   

2016

Fu J, Ren F, Lu X, Mao H, Xu M, Degenhardt J, Peters RJ, Wang Q. A Tandem Array of ent-Kaurene Synthases in Maize with Roles in Gibberellin and More Specialized Metabolism. Plant Physiology. 2016;170(2):742-751. doi:10.1002/ece3.2893   

Richter A, Schaff C, Zhang Z, Lipka AE, Tian F, Köllner TG, Schnee C, Preiß S, Irmisch S, Jander G, Boland W, Gershenzon  J, Buckler ES, Degenhardt J. Characterization of biosynthetic pathways for the production of the volatile homoterpenes DMNT and TMTT in zea mays. Plant Cell. 2016;28(10):2651-2665. doi:10.1105/tpc.15.00919   

2015

Fantaye CA, Köpke D, Gershenzon J, Degenhardt J. Restoring (E)-β-Caryophyllene Production in a Non-producing Maize Line Compromises its Resistance against the Fungus Colletotrichumgraminicola. J Chem Ecol. 2015;41(3):213-223. doi:10.1007/s10886-015-0556-z   

Gatto N, Vattekkatte A, Köllner T, Degenhardt J, Gershenzon J, Boland W. Isotope sensitive branching and kinetic isotope effects to analyse multiproduct terpenoid synthases from Zea mays. ChemCommun. 2015;51(18):3797-3800. doi:10.1039/c4cc10395e   

Külheim C, Padovan A, Hefer C, Krause S, Köllner TG, Myburg AA, Degenhardt J, Foley WJ. The Eucalyptus terpene synthase gene family. BMC Genomics. 2015;16:450. doi:10.1186/s12864-015-1598-x   

Padovan A, Patel HR, Chuah A, Huttley GA, Krause ST, Degenhardt J, Foley WJ, Kühlheim C. Transcriptome Sequencing of Two Phenotypic Mosaic Eucalyptus Trees Reveals Large Scale Transcriptome Re-Modelling. PLoS One. 2015;10(5):e0123226. doi:10.1371/journal.pone.0123226   

Preiss S, Degenhardt J, Gershenzon J. Plant - Animal Dialogues. in: Krauss GJ, Nies DH. Ecological Biochemistry - Environmental and Interspecies Interactions. Wiley-VCH Verlag;2015:313-330 (ISBN: 978-3-527-31650-2)

Richter A, Seidl-Adams I, Köllner TG, Schaff C, Tumlinson JH, Degenhardt J. A small, differentially regulated family of farnesyl diphosphate synthases in maize (Zea mays) provides farnesyl diphosphate for the biosynthesis of herbivore-induced sesquiterpenes. Planta. 2015;241(6):1351-1361. doi:10.1007/s00425-015-2254-z   

Seidl-Adams I, Richter A, Boomer KB, Yoshinaga N, Degenhardt J, Tumlinson JH. Emission of herbivore elicitor-induced sesquiterpenesis regulated by stomatal aperture in maize (Zea mays) seedlings. Plant, Cell Environ. 2015;38(1):23-34. doi:10.1111/pce.12347   

Tzin V, Fernandez-Pozo N, Richter A, Schmelz EA, Schoettner M, Schäfer M, Ahern KR, Meihls LN, Kaur H, Huffaker A, Mori N, Degenhardt J, Mueller LA, Jander G. Dynamic maize responses to aphid feeding are revealed by a time series of transcriptomic and metabolomic assays. Plant Physiol. 2015;169(3):1727-1743. doi:10.1104/pp.15.01039   

Vattekkatte A, Gatto N, Köllner TG, Degenhardt J, Gershenzon J, Boland W. Substrate geometry controls the cyclization cascade in multiproduct terpene synthases from Zea mays. Org Biomol Chem. 2015;13(21):6021-6030. doi:10.1039/c5ob00711a   

2014

Piechulla B, Degenhardt J. The emerging importance of microbial volatile organic compounds. Plant, Cell Environ. 2014;37(4):811-812. doi:10.1111/pce.12254   

2013

Köllner TG, Lenk C, Schnee C, Köpke S, Lindemann P, Gershenzon J, Degenhardt J. Localization of sesquiterpene formation and emission in maize leaves after herbivore damage. BMC Plant Biol. 2013;13(15):1-10. doi:10.1186/1471-2229-13-15   

Krause ST, Köllner TG, Asbach J, Degenhardt J. Stereochemical mechanism of two sabinene hydrate synthases forming antipodal monoterpenes in thyme (Thymus vulgaris). Arch BiochemBiophys. 2013;529(2):112-121. doi:10.1016/j.abb.2012.12.003   

Lima AS, Schimmel J, Lukas B, Novak J, Barroso JG, Figueiredo AC, Pedro LG, Degenhardt J, Trindade H. Genomic characterization, molecular cloning and expression analysis of two terpene synthases from Thymus caespititius (Lamiaceae). Planta. 2013;238:191-204. doi:10.1007/s00425-013-1884-2   

Robert CAM, Erb M, Hiltpold I, Hibbard BE, Gaillard MDP, Bilat J, Degenhardt, J, Cambet-Petit-Jean X, Turlings TCJ, Zwahlen C. Genetically engineered maize plants reveal distinct costs and benefits of constitutive volatile emissions in the field. Plant Biotechnol J. 2013;11(5):628-639. doi:10.1111/pbi.12053   

2012

Irmisch S, Krause ST, Kunert G, Gershenzon J, Degenhardt J, Köllner TG. The organ-specific expression of terpene synthase genes contributes to the terpene hydrocarbon composition of chamomile essential oils. BMC Plant Biol. 2012;12(84):1-13. doi:10.1186/1471-2229-12-84   

Lenk C, Köllner TG, Erb M, Degenhardt J. Two enzymes responsible for the formation of herbivore-induced volatiles of maize, the methyltransferase AAMT1 and the terpene synthase TPS23, are regulated by a similar signal transduction pathway. EntomolExp Appl. 2012;144(1):86-92. doi:10.1111/j.1570-7458.2012.01240.x   

Vezzaro A, Krause ST, Nonis A, Ramina A, Degenhardt J, Ruperti B. Isolation and characterization of terpene synthases potentially involved in flavor development of ripening olive (Olea europaea) fruits. J Plant Physiol. 2012;169(9):908-914. doi:10.1016/j.jplph.2012.01.021   

Zhuang X, Köllner TG, Zhao N, Li G, Jiang Y, Zhu L, Ma J, Degenhardt J, Chen F. Dynamic evolution of herbivore-induced sesquiterpene biosynthesis in sorghum and related grass crops. Plant J. 2012;69(1):70-80. doi:10.1111/j.1365-313x.2011.04771.x   

2011

Erb M, Köllner TG, Degenhardt J, Zwahlen C, Hibbard BE, Turlings TCJ. The role of abscisic acid and water stress in root herbivore-induced leaf resistance. New Phytol. 2011;189:308-320. doi:10.1111/j.1469-8137.2010.03450.x   

Fontana A, Held M, Fantaye CA, Turlings TC, Degenhardt J, Gershenzon J. Attractiveness of Constitutive and Herbivore-Induced Sesquiterpene Blends of Maize to the Parasitic Wasp Cotesiamarginiventris (Cresson). J Chem Ecol. 2011;37(6):582-591. doi:10.1007/s10886-011-9967-7   

Robert CAM, Erb M, Hiltpold, I, Hibbard BE, Gaillard MDP, Bilat J, Degenhardt J, Cambet-Petit-Jean X, Christiaan T, Turlings J, Zwahlen C (2011) Genetically engineered maize plants reveal distinct costs and benefits of constitutive volatile emissions in the field. Plant Biotechnology Journal 11: 628-639

Zhuang X, Köllner TG, Zhao N, Li G, Jiang Y, Zhu L, Ma J, Degenhardt J, Chen F (2011) Dynamic evolution of herbivore-induced sesquiterpene biosynthesis in sorghum and related grass crops. The Plant Journal 69: 70-80

2010

Chatzopoulou FM, Makris AM, Argiriou A, Degenhardt J, Kanellis AK. EST analysis and annotation of transcripts derived from a trichome-specific cDNA library from Salvia fruticosa. Plant Cell Rep. 2010;29(5):523-534. doi:10.1007/s00299-010-0841-9   

Crocoll C, Asbach J, Novak J, Gershenzon J, Degenhardt J. Terpene synthases of oregano (Origanum vulgare L.) and their roles in the pathway and regulation of terpene biosynthesis. Plant Mol Biol. 2010;73(6):587-603. doi:10.1007/s11103-010-9636-1   

Keszei A, Brubaker CL, Carter R, Köllner T, Degenhardt J, Foley WJ. Functional and evolutionary relationships between terpene synthases from Australian Myrtaceae. Phytochemistry. 2010;71:844-852. doi:10.1016/j.phytochem.2010.03.013   

Köllner TG, Lenk C, Zhao N, Seidl-Adams I, Gershenzon J, Chen F, Degenhardt J. Herbivore-induced SABATH methyltransferases of maize that methylate anthranilic acid using s-adenosyl-L-methionine. Plant Physiol.2010;153(4):1795-1807. doi:10.1104/pp.110.158360   

Padovan A, Keszei A, Köllner TG, Degenhardt J, Foley WJ. The molecular basis of host plant selection in Melaleuca quinquenervia by a successful biological control agent. Phytochemistry. 2010;71(11-12):1237-1244. doi:10.1016/j.phytochem.2010.05.013   

Pandit SS, Kulkarni RS, Giri AP,Köllner TG, DegenhardtJ, Gershenzon J, Gupta VS. Expression profiling of various genes during the fruit development and ripening of mango. Plant PhysiolBiochem. 2010;48(6):426-433. doi:10.1016/j.plaphy.2010.02.012   

2009

Chen F, Al-Ahmad H, Joyce B, Zhao N, Köllner TG, Degenhardt J, Stewart, CN. Within-plant distribution and emission of sesquiterpenes from Copaifera officinalis. Plant PhysiolBiochem. 2009;47(11-12):1017-1023. doi:10.1016/j.plaphy.2009.07.005   

Erb M, Lenk C, Degenhardt J, Turlings TCJ. The underestimated role of roots in defense against leaf attackers. Trends Plant Sci. 2009;14(12):653-659. doi:10.1016/j.tplants.2009.08.006   

Degenhardt J. Indirect Defense Responses to Herbivory in Grasses. Plant Physiol. 2009;149(1):96-102. doi:10.1104/pp.108.128975   

Degenhardt J, Köllner TG, Gershenzon J. Monoterpene and sesquiterpene synthases and the origin of terpene skeletal diversity in plants. Phytochemistry. 2009;70(15-16):1621-1637. doi:10.1016/j.phytochem.2009.07.030   

Degenhardt J, Hiltpold I, Köllner TG, Frey M, Gierl A, Gershenzon J, Hibbard BE, Ellersieck MR, Turlings TCJ. Restoring a maize root signal that attracts insect-killing nematodes to control a major pest. PNAS. 2009;106(32):13213-13218. doi:10.1073/pnas.0906365106   

Köllner TG, Gershenzon J, Degenhardt J. Molecular and biochemical evolution of maize terpene synthase 10, an enzyme of indirect defense. Phytochemistry. 2009;70(9):1139-1145. doi:10.1016/j.phytochem.2009.06.011   

2008

Chatzopoulou F, Makris A, Degenhardt J, Kanellis A. Annotation and analysis of ESTs from leaves’ trichomes of Salvia fruticosa. Planta Med. 2008;74(9). doi:10.1055/s-0028-1084653   

Erb M, Ton J, Degenhardt J, Turlings TCJ. Interactions between arthropod-induced aboveground and belowground defenses in plants. Plant Physiol. 2008;146(3):867-874. doi:10.1104/pp.107.112169   

Köllner TG, Schnee C, Li S, Svatoš A, Schneider B, Gershenzon J, Degenhardt J. Protonation of a Neutral (S)-β-Bisabolene Intermediate Is Involved in (S)-β-Macrocarpene Formation by the Maize Sesquiterpene Synthases TPS6 and TPS11. J Biol Chem. 2008;283(30):20779-20788. doi:10.1074/jbc.m802682200   

Lin C, Shen B, Xu Z, Köllner TG, Degenhardt J, Dooner HK. Characterization of the monoterpene synthase gene tps26, the ortholog of a gene induced by insect herbivory in maize. Plant Physiol. 2008;146(3):940-951. doi:10.1104/pp.107.109553   

Novak J, Lukas B, Bolzer K, Grausgruber-Gröger S, Degenhardt J. Identification and characterization of simple sequence repeat markers from a glandular Origanum vulgare expressed sequence tag. MolEcolResour. 2008;8(3):599-601. doi:10.1111/j.1471-8286.2007.02059.x   

Yuan JS, Köllner TG, Wiggins G, Grant J, Degenhardt J, Chen F. Molecular and genomic basis of volatile-mediated indirect defense against insects in rice. Plant J. 2008;55(3):491-503. doi:10.1111/j.1365-313x.2008.03524.x   

Yuan JS, Köllner TG, Wiggins G, Grant J, Zhao N, Zhuang X, Degenhardt J, Chen F. Elucidation of the genomic basis of indirect plant defense against insects. Plant Signal Behav. 2008;3(9):720-721. doi:10.4161/psb.3.9.6468   

2007

Günnewich N, Page JE, Köllner TG, Degenhardt J, Kutchan TM. Functional Expression and Characterization of Trichome-Specific (-)-Limonene Synthase and (+)-α-Pinene Synthase from Cannabis sativa. Nat Prod Commun. 2007;2(3):223-232.

Kampranis SC, Ioannidis D, Purvis A, Mahrez W, Ninga E,Katerelos NA,Anssour S, Dunwell JM,Degenhardt J,Makris AM, Goodenough PW, Johnson C. Rational Conversion of Substrate and Product Specificity in a Salvia Monoterpene Synthase: Structural Insights into the Evolution of Terpene Synthase Function. Plant Cell. 2007;19(6):1994-2005. doi:10.1105/tpc.106.047779   

2006

Köllner TG, O’Maille PE, Gatto N, Boland W, Gershenzon J, Degenhardt J. Two pockets in the active site of maize sesquiterpene synthase TPS4 carry out sequential parts of the reaction scheme resulting in multiple products. Arch BiochemBiophys. 2006;448(1-2):83-92. doi:10.1016/j.abb.2005.10.011   

Schnee C, Köllner TG, Held M, Turlings TCJ, Gershenzon J, Degenhardt J. The products of a single maize sesquiterpene synthase form a volatile defense signal that attracts natural enemies of maize herbivores. PNAS. 2006;103(4):1129-1134. doi:10.1073/pnas.0508027103   

2005

Rasmann S, Köllner TG, Degenhardt J, Hiltpold I,Toepfer S, Kuhlmann U, Gershenzon J, Turlings TCJ. Recruitment of entomopathogenic nematodes by insect-damaged maize roots. Nature. 2005;434:732-737. doi:10.1038/nature03451   

2004

Hoballah ME, Köllner TG, Degenhardt J, Turlings TCJ. Costs of induced volatile production in maize. Oikos. 2004;105(1):168-180. doi:10.1111/j.0030-1299.2004.12831.x   

Köllner TG, Schnee C, Gershenzon J, Degenhardt J. The Variability of Sesquiterpenes Emitted from Two Zea mays Cultivars Is Controlled by Allelic Variation of Two Terpene Synthase Genes Encoding Stereoselective Multiple Product Enzymes. Plant Cell.2004;16(5):1115-1131. doi:10.1105/tpc.019877   

Köllner TG, Schnee C, Gershenzon J, Degenhardt J. The sesquiterpene hydrocarbons of maize (Zea mays) form five groups with distinct developmental and organ-specific distributions. Phytochemistry. 2004;65(13):1895-1902. doi:10.1016/j.phytochem.2004.05.021   

2003

Degenhardt J, Gershenzon J. Genetics of crop improvement: Genetic modification of secondary metabolism terpenoids. In: Thomas B, Murphy DJ, Murray BG: Encyclopedia of Applied Plant Sciences. Elsevier Science;2003:500-504(ISBN:978-0-12-227050-5)

Degenhardt J, Gershenzon J, Baldwin IT, Kessler A. Attracting friends to feast on foes: engineering terpene emission to make crop plants more attractive to herbivore enemies. CurrOpinBiotechnol. 2003;14(2):169-176. doi:10.1016/s0958-1669(03   )00025-9

Köllner T, Schnee C, Gershenzon J, Degenhardt J. Terpene formation in maize and its ecological and evolutionary significance. Chem List. 2003:319-327.

2002

Schnee C, Köllner TG, Gershenzon J, Degenhardt J. The Maize Gene terpene synthase 1 Encodes a Sesquiterpene Synthase Catalyzing the Formation of  (E)-β-Farnesene, (E)-Nerolidol, and (E,E)-Farnesol after Herbivore Damage. Plant Physiol. 2002;130(4):2049-2060. doi:10.1104/pp.008326   

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