Zobrazeno 1 - 10
of 434
pro vyhledávání: '"Wittko Francke"'
Autor:
Anjel M. Helms, Consuelo M. De Moraes, Armin Tröger, Hans T. Alborn, Wittko Francke, John F. Tooker, Mark C. Mescher
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Plants are able to prime anti-herbivore defenses in response to olfactory cues of insect pests. Here, Helms et al. identify the insect pheromone E,S-conophthorin produced by the goldenrod gall fly as the specific chemical component that elicits this
Externí odkaz:
https://doaj.org/article/602232862b8249a68659fe689b012ec1
Autor:
Gábor Bozsik, Béla Péter Molnár, Kristóf Hegedüs, Tibor Soós, Stefan Schulz, Armin Tröger, Wittko Francke, Gábor Szőcs
The cypress bark beetle, Phloeosinus aubei Perris (Coleoptera: Curculionidae, Scolytinae), is of increased concern in the European market of scale-leafed conifers (Cupressaceae). Surprisingly, its chemical communication has only scarcely been studied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::736e316830a1f76454c77fc63f1a1f95
https://doi.org/10.21203/rs.3.rs-2624890/v1
https://doi.org/10.21203/rs.3.rs-2624890/v1
Publikováno v:
Journal of Chemical Ecology. 47:968-986
With approximately 83,000 species described, Curculionidae is the largest family of beetles, comprising more than 80% of all weevil species worldwide. Many species of Curculionidae attack a wide range of native and orchards crops, as well as globally
Autor:
Paulo H. G. Zarbin, Glenn P. Svensson, Joseph M. Patt, Stefan Bartram, David M. Althoff, Armin Tröger, Robert Twele, Wittko Francke, Stephan H. von Reuss, Hans Martin Galbrecht, Robert A. Raguso, Kari A. Segraves
Publikováno v:
Journal of Chemical Ecology. 47:1025-1041
The obligate pollination mutualism between Yucca and yucca moths is a classical example of coevolution. Oviposition and active pollination by female yucca moths occur at night when Yucca flowers are open and strongly scented. Thus, floral volatiles h
Autor:
Gábor Bozsik, Béla Péter Molnár, Kristóf Hegedüs, Tibor Soós, Stefan Schulz, Armin Tröger, Wittko Francke, Gábor Szőcs
The cypress bark beetle, Phloeosinus aubei Perris (Coleoptera: Curculionidae, Scolytinae), is of increased concern in the market of scale-leafed conifers (Cupressaceae), across a wide range of its expansion area in Europe. Surprisingly, its pheromona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e4ffa8b97d31efa4229330cc5cf092a
https://doi.org/10.21203/rs.3.rs-2178681/v1
https://doi.org/10.21203/rs.3.rs-2178681/v1
Autor:
Armin Tröger, Teris A. van Beek, Martinus E. Huigens, Isabel M. M. S. Silva, Maarten A. Posthumus, Wittko Francke
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 767-773 (2014)
Females of the parasitoid wasp Trichogramma turkestanica produce the putative polydeoxypropionates (2E,4E,6S,8S,10S)-4,6,8,10-tetramethyltrideca-2,4-diene and (2E,4E,6S,8S,10S)-4,6,8,10-tetramethyltrideca-2,4-dien-1-ol or their enantiomers as sex spe
Externí odkaz:
https://doaj.org/article/4a673ff182f14ef6bf19c076c363255e
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 1246-1255 (2012)
Starting from the enantiomers of limonene, all eight stereoisomers of trans-fused dihydronepetalactones were synthesized. Key compounds were pure stereoisomers of 1-acetoxymethyl-2-methyl-5-(2-hydroxy-1-methylethyl)-1-cyclopentene. The stereogenic ce
Externí odkaz:
https://doaj.org/article/375032ba423140b99b55f0af05427798
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 1256-1264 (2012)
Following our earlier approach to the synthesis of dihydronepetalactones, all eight stereoisomers of trans-fused iridomyrmecins were synthesized starting from the enantiomers of limonene. Combined gas chromatography and mass spectrometry including en
Externí odkaz:
https://doaj.org/article/f5a838bb69744a9095a781eeed9e3be0
Autor:
Teresa Weise, Marco Kai, Anja Gummesson, Armin Troeger, Stephan von Reuß, Silvia Piepenborn, Francine Kosterka, Martin Sklorz, Ralf Zimmermann, Wittko Francke, Birgit Piechulla
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 579-596 (2012)
Xanthomonas campestris is a phytopathogenic bacterium and causes many diseases of agricultural relevance. Volatiles were shown to be important in inter- and intraorganismic attraction and defense reactions. Recently it became apparent that also bacte
Externí odkaz:
https://doaj.org/article/cf5f5ca9c29a4d98a49177d8da71d911
Publikováno v:
Journal of chemical ecology. 48(3)
Flowering plants often use chemical signals to attract their pollinators, and compounds that elicit attraction are known for several groups of pollinators. For other pollinators such as gall midges, however, compounds responsible for their attraction