Marine diatoms Coscinodiscus granii: They live in open waters such as the North Sea. Under the microscope, many single-celled diatoms can be seen, some of which are healthy, while others are infected by an egg fungus. The zoospores that the fungus forms for reproduction can be seen as small dots.

Publications of Jörg Degenhardt

Journal Article (32)

2015
Journal Article
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. Chemical Communications 51, pp. 3797 - 3800 (2015)
2013
Journal Article
Köllner, T.; Lenk, C.; Schnee, C.; Köpke, S.; Lindemann, P.; Degenhardt, J.: Localization of sesquiterpene formation and emission in maize leaves after herbivore damage. BMC Plant Biology 13, 15 (2013)
2012
Journal Article
Zhuang, X.; Köllner, T.; 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. The Plant Journal 69 (1), pp. 70 - 80 (2012)
2010
Journal Article
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 Molecular Biology 73, pp. 587 - 603 (2010)
Journal Article
Köllner, T.; Lenk, C.; Zhao, N.; Seidl-Adams, N.; Gershenzon, J.; Chen, F.; Degenhardt, J.: Herbivore-inducted SABATH methyltransferases of maize that methylate anthranilic acid using S-adenosyl-L-methionine. Plant Physiology 153 (4), pp. 1795 - 1807 (2010)
Journal Article
Pandit, S. S.; Kulkarni, R. S.; Giri, A. P.; Köllner, T.; Degenhardt, J.; Gershenzon, J.; Gupta, V. S.: Expression profiling of various genes during the fruit development and ripening of mango. Plant Physiology and Biochemistry 48 (6), pp. 426 - 433 (2010)
2009
Journal Article
Chen, F.; Al-Ahmad, H.; Joyce, B.; Zhao, N.; Köllner, T. G.; Degenhardt, J.; Stewart Jr., C.N.: Within-plant distribution and emission of sesquiterpenes from Copaifera officinalis. Plant Physiology and Biochemistry 47 (11-12), pp. 1017 - 1023 (2009)
Journal Article
Degenhardt, J.; Hiltpold, I.; Köllner, T.; Frey, M.; Gierl, A.; Gershenzon, J.; Hibbard, B. E.; Ellersieck, M. R.; Turlings, T. C.J.: Restoring a maize root signal that attracts insect-killing nematodes to control a major pest. Proceedings of the National Academy of Sciences of the United States of America 106 (32), pp. 13213 - 13218 (2009)
Journal Article
Degenhardt, J.; Köllner, T. G.; Gershenzon, J.: Monoterpene and sesquiterpene synthases and the origin of terpene skeletal diversity in plants. Phytochemistry 70 (15-16), pp. 1621 - 1637 (2009)
Journal Article
Erb, M.; Lenk, C.; Degenhardt, J.; Turlings, T.C.J.: The underestimated role of roots in leaf defenses against herbivores. Trends in Plant Science 14 (12), pp. 653 - 659 (2009)
Journal Article
Köllner, T. G.; Gershenzon, J.; Degenhardt, J.: Molecular and biochemical evolution of maize terpene synthase 10, an enzyme of indirect defense. Phytochemistry 70 (9), pp. 1139 - 1145 (2009)
Journal Article
Pandit, S.S.; Kulkarni, R.S.; Chidley, H.G.; Giri, A.P.; Pujari, K.H.; Köllner, T.; Degenhardt, J.; Gershenzon, J.; Gupta, V.S.: Changes in volatile composition during fruit development and ripening of 'Alphonso' mango. Journal of the Science of Food and Agriculture 89 (12), pp. 2071 - 2081 (2009)
2008
Journal Article
Erb, M.; Ton, J.; Degenhardt, J.; Turlings, T. C. J.: Interactions between arthropod-induced aboveground and belowground defenses in plants. Plant Physiology 146 (3), pp. 867 - 874 (2008)
Journal Article
Köllner, T.G.; Held, M.; Lenk, C.; Hiltpold, I.; Turlings, T. C. J.; Gershenzon, J.; Degenhardt, J.: A maize (E)-beta-caryophyllene synthase implicated in indirect defense responses against herbivores is not expressed in most American maize varieties. The Plant Cell 20 (2), pp. 482 - 494 (2008)
Journal Article
Köllner, T. G.; Schnee, C.; Li, S.; Svatos, A.; Schneider, B.; Gershenzon, J.; Degenhardt, J.: Protonation of a neutral (S)-beta-bisabolene intermediate is involved in (S)-beta-macrocarpene formation by the maize sesquiterpene synthases TPS6 and TPS11. The Journal of Biological Chemistry 283 (30), pp. 20779 - 20788 (2008)
Journal Article
Lin, C.; Shen, B.; Xu, Z.; Köllner, T. G.; Degenhardt, J.; Dooner, H. K.: Characterization of the monoterpene synthase gene tps26, the ortholog of a gene induced by insect herbivory in maize. Plant Physiology 146 (3), pp. 940 - 951 (2008)
Journal Article
Yuan, J. S.; Köllner, T. G.; Wiggins, G.; Grant, J.; Degenhardt, J.; Chen, F.: Molecular and genomic basis of volatile-mediated indirect defense against insects in rice. The Plant Journal 55 (3), pp. 491 - 503 (2008)
Journal Article
Yuan, J. S.; Köllner, T. G.; Wiggins, G.; Grant, J.; Zhao, N.; Zhuang, X.; Degenhardt, J.; Chen, F.: Elucidation of the genomic basis of indirect plant defense against insects. Plant Signaling & Behavior 3 (9), pp. 720 - 721 (2008)
2007
Journal Article
Günnewich, N.; Page, J. E.; Köllner, T. G.; Degenhardt, J.; Kutchan, T. M.: Functional expression and characterization of trichome-specific (-)-limonene synthase and (+)-α-pinene synthase from Cannabis sativa. Natural Product Communications 2 (3), pp. 223 - 232 (2007)
Journal Article
Kampranis, S. C.; Ioannidis, D.; Purvis, A.; Mahrez, W.; Ninga, E.; Katerelos, N. A.; Anssour, S.; Dunwell, J. M.; Degenhardt, J.; Makris, A. M. et al.; Goodenough, P. W.; Johnson, C. B.: Rational conversion of substrate and product specificity in a Salvia monoterpene synthase: structural insights into the evolution of terpene synthase function. The Plant Cell 19 (6), pp. 1994 - 2005 (2007)
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