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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erx449
|2 doi
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|a pubmed24n0932.xml
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|a (DE-627)NLM279641095
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|a (NLM)29301018
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Block, Anna
|e verfasserin
|4 aut
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| 245 |
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|a Herbivore-derived fatty-acid amides elicit reactive oxygen species burst in plants
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 27.08.2019
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a Reactive oxygen species (ROS) can be elicited by many forms of stress, including pathogen attack, abiotic stress, damage and insect infestation. Perception of microbe- or damage-associated elicitors triggers an ROS burst in many plant species; however, the impact of herbivore fatty-acid amides on ROS elicitation remains largely unexplored. In this study we show that the lepidopteran-derived fatty-acid amide elicitor N-linolenoyl-L-glutamine (GLN18:3) can induce a ROS burst in multiple plant species. Furthermore, in Arabidopsis this ROS burst is partially dependent on the plasma membrane localized NADPH oxidases RBOHD and RBOHF, and an Arabidopsis rbohD/F double mutant produces enhanced GLN18:3-induced jasmonic acid. Quantification of GLN18:3-induced ROS in phytohormone-deficient lines revealed that in Arabidopsis reduced levels of jasmonic acid resulted in a larger elicitor-induced ROS burst, while in tomato reduction of either jasmonic acid or salicylic acid led to higher induced ROS production. These data indicate that GLN18:3-induced ROS is antagonistic to jasmonic acid production in these species. In biological assays, rbohD/F mutant plants were more resistant to the generalist herbivores Spodoptera exigua and Trichoplusia ni but not to the specialist Plutella xylostella. Collectively, these results demonstrate that in Arabidopsis herbivore-induced ROS may negatively regulate plant defense responses to herbivory
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Amides
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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|a Fatty Acids
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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| 650 |
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|a respiratory burst oxidase homolog D, Arabidopsis
|2 NLM
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| 650 |
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|a EC 1.6.-
|2 NLM
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|a NADPH Oxidases
|2 NLM
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| 650 |
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|a EC 1.6.3.-
|2 NLM
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| 650 |
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|a RbohF protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 1.6.3.1
|2 NLM
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| 700 |
1 |
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|a Christensen, Shawn A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hunter, Charles T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Alborn, Hans T
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 69(2018), 5 vom: 23. Feb., Seite 1235-1245
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:69
|g year:2018
|g number:5
|g day:23
|g month:02
|g pages:1235-1245
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erx449
|3 Volltext
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