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000056262 0247_ $$2DOI$$a10.1111/j.1365-3040.2007.01718.x
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000056262 084__ $$2WoS$$aPlant Sciences
000056262 1001_ $$0P:(DE-Juel1)VDB67262$$aHummel, G. M.$$b0$$uFZJ
000056262 245__ $$aRoot growth dynamics of Nicotiana attenuata seedlings are affected by simulated herbivore attack
000056262 260__ $$aOxford [u.a.]$$bWiley-Blackwell$$c2007
000056262 300__ $$a1326 - 1336
000056262 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000056262 440_0 $$04976$$aPlant, Cell and Environment$$v30$$x0140-7791
000056262 500__ $$aRecord converted from VDB: 12.11.2012
000056262 520__ $$aMany studies demonstrate resource-based trade-offs between growth and defence on a large timescale. Yet, the short-term dynamics of this growth reaction are still completely unclear, making it difficult to explain growth-defence trade-offs mechanistically. In this study, image-based non-destructive methods were used to quantify root growth reactions happening within hours following simulated herbivore attack. The induction of wound reactions in Nicotiana attenuata in the seedling stage led to transiently decreased root growth rates. Application of the oral secretion of the specialist herbivore Manduca sexta to the leaves led to a transient decrease in root growth that was more pronounced than if a mere mechanical wounding was imposed. Root growth reduction was more pronounced than leaf growth reduction. When fatty acid-amino acid conjugates (FACs) were applied to wounds, root growth reduction occurred in the same intensity as when oral secretion was applied. Timing of the transient growth reduction coincided with endogenous bursts of jasmonate (JA) and ethylene emissions reported in literature. Simulation of a wound response by applying methyl jasmonate (MeJA) led to more prolonged negative effects on root growth. Increased nicotine concentrations, trichome lengths and densities were observed within 72 h in seedlings that were treated with MeJA or that were mechanically wounded. Overall, these reactions indicate that even in a very early developmental stage, the diversion of plant metabolism from primary (growth-sustaining) to secondary (defence-related) metabolism can cause profound alterations of plant growth performance.
000056262 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
000056262 588__ $$aDataset connected to Web of Science, Pubmed
000056262 650_2 $$2MeSH$$aAcetic Acids: pharmacology
000056262 650_2 $$2MeSH$$aAnimals
000056262 650_2 $$2MeSH$$aCyclopentanes: pharmacology
000056262 650_2 $$2MeSH$$aManduca: physiology
000056262 650_2 $$2MeSH$$aNicotine: metabolism
000056262 650_2 $$2MeSH$$aOxylipins: pharmacology
000056262 650_2 $$2MeSH$$aPlant Diseases: immunology
000056262 650_2 $$2MeSH$$aPlant Leaves: drug effects
000056262 650_2 $$2MeSH$$aPlant Leaves: growth & development
000056262 650_2 $$2MeSH$$aPlant Leaves: parasitology
000056262 650_2 $$2MeSH$$aPlant Roots: drug effects
000056262 650_2 $$2MeSH$$aPlant Roots: growth & development
000056262 650_2 $$2MeSH$$aPlant Roots: parasitology
000056262 650_2 $$2MeSH$$aSeedling: drug effects
000056262 650_2 $$2MeSH$$aSeedling: growth & development
000056262 650_2 $$2MeSH$$aSeedling: parasitology
000056262 650_2 $$2MeSH$$aTime Factors
000056262 650_2 $$2MeSH$$aTobacco: drug effects
000056262 650_2 $$2MeSH$$aTobacco: growth & development
000056262 650_2 $$2MeSH$$aTobacco: parasitology
000056262 650_7 $$00$$2NLM Chemicals$$aAcetic Acids
000056262 650_7 $$00$$2NLM Chemicals$$aCyclopentanes
000056262 650_7 $$00$$2NLM Chemicals$$aOxylipins
000056262 650_7 $$01211-29-6$$2NLM Chemicals$$amethyl jasmonate
000056262 650_7 $$054-11-5$$2NLM Chemicals$$aNicotine
000056262 650_7 $$2WoSType$$aJ
000056262 65320 $$2Author$$aManduca sexta
000056262 65320 $$2Author$$afatty acid-amino acid conjugates (FACs)
000056262 65320 $$2Author$$aimage analysis
000056262 65320 $$2Author$$anicotine
000056262 65320 $$2Author$$aplant defence
000056262 65320 $$2Author$$aplant-insect interactions
000056262 65320 $$2Author$$atrichomes
000056262 7001_ $$0P:(DE-HGF)0$$aNaumann, M.$$b1
000056262 7001_ $$0P:(DE-Juel1)129402$$aSchurr, U.$$b2$$uFZJ
000056262 7001_ $$0P:(DE-Juel1)VDB2595$$aWalter, A.$$b3$$uFZJ
000056262 773__ $$0PERI:(DE-600)2020843-1$$a10.1111/j.1365-3040.2007.01718.x$$gVol. 30, p. 1326 - 1336$$p1326 - 1336$$q30<1326 - 1336$$tPlant, cell & environment$$v30$$x0140-7791$$y2007
000056262 8567_ $$uhttp://dx.doi.org/10.1111/j.1365-3040.2007.01718.x
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