T
Tobias G. Köllner
Researcher at Max Planck Society
Publications - 147
Citations - 9321
Tobias G. Köllner is an academic researcher from Max Planck Society. The author has contributed to research in topics: Terpene & Plant defense against herbivory. The author has an hindex of 45, co-authored 132 publications receiving 7655 citations. Previous affiliations of Tobias G. Köllner include Martin Luther University of Halle-Wittenberg.
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Journal ArticleDOI
Recruitment of entomopathogenic nematodes by insect-damaged maize roots
Sergio Rasmann,Tobias G. Köllner,Jörg Degenhardt,Ivan Hiltpold,Stefan Toepfer,Ulrich Kuhlmann,Jonathan Gershenzon,Ted C. J. Turlings +7 more
TL;DR: The first identification of an insect-induced belowground plant signal, (E)-β-caryophyllene, which strongly attracts an entomopathogenic nematode, is reported, which should help enhance the efficacy of nematodes as biological control agents against root pests like D. virgifera.
Journal ArticleDOI
Monoterpene and sesquiterpene synthases and the origin of terpene skeletal diversity in plants.
TL;DR: This review covers the monoterpene and sesquiterpene synthases presenting an up-to-date list of enzymes reported and evidence for their ability to form multiple products.
Journal ArticleDOI
The products of a single maize sesquiterpene synthase form a volatile defense signal that attracts natural enemies of maize herbivores
Christiane Schnee,Tobias G. Köllner,Matthias Held,Ted C. J. Turlings,Jonathan Gershenzon,Jörg Degenhardt +5 more
TL;DR: It is demonstrated that a single gene such as tps10 can be sufficient to mediate the indirect defense of maize against herbivore attack and that females of the parasitoid Cotesia marginiventris learn to exploit the TPS10 sesquiterpenes to locate their lepidopteran hosts after prior exposure to these volatiles in association with hosts.
Journal ArticleDOI
A Maize (E)-β-Caryophyllene Synthase Implicated in Indirect Defense Responses against Herbivores Is Not Expressed in Most American Maize Varieties
Tobias G. Köllner,Matthias Held,Claudia Lenk,Ivan Hiltpold,Ted C. J. Turlings,Jonathan Gershenzon,Jörg Degenhardt +6 more
TL;DR: It is argued that the (E)-β-caryophyllene defense signal was lost during breeding of the North American lines and that its restoration might help to increase the resistance of these lines against agronomically important pests.
Journal ArticleDOI
Restoring a maize root signal that attracts insect-killing nematodes to control a major pest
Jörg Degenhardt,Ivan Hiltpold,Tobias G. Köllner,Monika Frey,Alfons Gierl,Jonathan Gershenzon,Bruce E. Hibbard,Mark R. Ellersieck,Ted C. J. Turlings +8 more
TL;DR: In rootworm-infested field plots in which nematodes were released, the (E)-β-caryophyllene-emitting plants suffered significantly less root damage and had 60% fewer adult beetles emerge than untransformed, nonemitting lines.