LOEWE Zentrum für
Insektenbiotechnologie
& Bioressourcen

Georg Petschenka

Dr. rer. nat.

Gruppenleiter

Telefon: +49 641 99-37603

E-Mail: Georg.P.Petschenka@agrar.uni-giessen.de

Raum: B332

Gebäude: IFZ

Kurzlebenslauf

seit 2017 Leiter einer Emmy Noether- und einer LOEWE-Nachwuchsgruppe
seit 2015 Postdoc am Institut für Insektenbiotechnologie, Universität Gießen
2012–2015 Postdoc am Department of Ecology and Evolutionary Biology, Cornell University, USA
2010–2012 Postdoc Universität Hamburg, Molekulare Evolutionsbiologie
2006–2010 Doktorarbeit Universität Hamburg, Molekulare Evolutionsbiologie
2005–2006 Wissenschaftliches Volontariat, Staatliches Museum für Naturkunde Karlsruhe
2002–2005 Diplom in Biologie, Universität Bayreuth
1999–2002 Studium der Biologie, Universität Tübingen

Drittmittel - Stipendien - Auszeichnungen

2016 Emmy Noether-Programm der Deutschen Forschungsgemeinschaft
2016 Early Career Award der International Society of Chemical Ecology
2015 Rückkehrstipendium der  Deutschen Forschungsgemeinschaft (DFG)
2014 Reisestipendium Deutscher Akademischer Austauschdienst (DAAD)
2012–2015 Forschungsstipendium Deutsche Forschungsgemeinschaft (DFG)
2008 Kurzzeitstipendium Studienstiftung des deutschen Volkes
2006–2009 Promotionsstipendium Studienstiftung des deutschen Volkes

Forschungsinteressen

Evolution von Resistenzmechanismen gegen Pflanzengifte bei Insekten - Link

Publikationen

Petschenka G, Wagschal V, von Tschirnhaus M, Donath A, Dobler S (in press) Convergently evolved toxic secondary metabolites in plants drive the parallel molecular evolution of insect resistance. The American Naturalist,
Petschenka G, Agrawal AA (2016) How herbivores coopt plant defenses: Natural selection, specialization, and sequestration. Current Opinion in Insect Science, 14 , 17–24.
Bramer C, Dobler S, Deckert J, Stemmer M, Petschenka G (2015) Na+/K+-ATPase resistance and cardenolide sequestration: basal adaptations to host plant toxins in the milkweed bugs (Hemiptera: Lygaeidae: Lygaeinae) Proceedings of the Royal Society B, 282 (1805) , 1–9.
Dobler S, Petschenka G, Wagschal V, Flacht L (2015) Convergent adaptive evolution – how insects master the challenge of cardiac glycoside-containing host plants Entomologia Experimentalis et Applicata, 157 (1) , 30–39.
Petschenka G, Agrawal AA (2015) Milkweed butterfly resistance to plant toxins is linked to sequestration, not coping with a toxic diet. Proceedings of the Royal Society B, 282 (1818) , 1–9.
Mebs D, Petschenka G, Pogoda W, Toennes SW, Amendt J, Zajac BK, Dobler S (2014) Amphibian myiasis. Blowfly larvae (Lucilia bufonivora, Diptera: Calliphoridae) coping with the poisonous skin secretion of the common toad (Bufo bufo). Chemoecology, 24 (4) , 159–164.
Petschenka G, Fandrich S, Sander N, Wagschal V, Boppré M, Dobler S (2013) Stepwise evolution of resistance to toxic cardenolides via genetic substitutions in the Na+/K+-ATPase of milkweed butterflies (Lepidoptera: Danaini). Evolution, 67 (9) , 2753–2761.
Petschenka G, Pick C, Wagschal V, Dobler S (2013) Functional evidence for physiological mechanisms to circumvent neurotoxicity of cardenolides in an adapted and a non-adapted hawk-moth species. Proceedings of the Royal Society B, 280 (1759) , 1–9.
Agrawal AA, Petschenka G, Bingham RA, Weber MG, Rasmann S (2012) Toxic cardenolides: chemical ecology and coevolution of specialized plant-herbivore interactions. New Phytologist, 194 (1) , 28–45.
Petschenka G, Offe JK, Dobler S (2012) Physiological screening for target site insensitivity and localization of Na+/K+-ATPase in cardenolide-adapted Lepidoptera. Journal of Insect Physiology, 58 (5) , 607–612.
Dobler S, Petschenka G, Pankoke H (2011) Coping with toxic plant compounds – The insect’s perspective on iridoid glycosides and cardenolides Phytochemistry, 72 (13) , 1593–1604.
Petschenka G, Bramer C, Pankoke H, Dobler S (2011) Evidence for a deterrent effect of cardenolides on Nephila spiders. Basic and Applied Ecology, 12 (3) , 260–267.
Sehlmeyer S, Wang L, Langel D, Heckel DG, Mohagheghi H, Petschenka G, Ober D. (2010) Flavin-dependent monooxygenases as a detoxification mechanism in insects: new insights from the arctiids (lepidoptera). PLoS One, 5 (5) , 1–10.
Petschenka G, Dobler S (2009) Target-site sensitivity in a specialized herbivore towards major toxic compounds of its host plant: the Na+K+-ATPase of the oleander hawk moth (Daphnis nerii) is highly susceptible to cardenolides Chemoecology, 19 (4) , 235–239.
Petschenka G (2006) On the Morphology of Bittacus hageni BRAUER, 1860 and Bittacus italicus (MÜLLER, 1766) (Mecoptera: Bittacidae). Entomologische Zeitschrift, 116 , 124–126.
Petschenka G, Tavakoli M, Trusch R (2006) Description of the unknown female of Agriopis beschkovi Ganev, 1987 (Geometridae: Ennominae), and illustration of the larvae. Nota Lepidopterologica , 29 (1/2) , 27–35.
Petschenka G (2003) Erstfund von Eratophyes amasiella (Herrich-Schäffer, 1855) in Baden Württemberg (Lep., Oecophoridae). Melanargia, 15 , 18!3–18$.