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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2009.02851.x
|2 doi
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|a pubmed24n0628.xml
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|a (NLM)19413686
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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 Van der Ent, Sjoerd
|e verfasserin
|4 aut
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| 245 |
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|a Priming of plant innate immunity by rhizobacteria and beta-aminobutyric acid
|b differences and similarities in regulation
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|c 2009
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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 16.09.2009
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|a Date Revised 14.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Pseudomonas fluorescens WCS417r bacteria and beta-aminobutyric acid can induce disease resistance in Arabidopsis, which is based on priming of defence. In this study, we examined the differences and similarities of WCS417r- and beta-aminobutyric acid-induced priming. Both WCS417r and beta-aminobutyric acid prime for enhanced deposition of callose-rich papillae after infection by the oomycete Hyaloperonospora arabidopsis. This priming is regulated by convergent pathways, which depend on phosphoinositide- and ABA-dependent signalling components. Conversely, induced resistance by WCS417r and beta-aminobutyric acid against the bacterial pathogen Pseudomonas syringae are controlled by distinct NPR1-dependent signalling pathways. As WCS417r and beta-aminobutyric acid prime jasmonate- and salicylate-inducible genes, respectively, we subsequently investigated the role of transcription factors. A quantitative PCR-based genome-wide screen for putative WCS417r- and beta-aminobutyric acid-responsive transcription factor genes revealed distinct sets of priming-responsive genes. Transcriptional analysis of a selection of these genes showed that they can serve as specific markers for priming. Promoter analysis of WRKY genes identified a putative cis-element that is strongly over-represented in promoters of 21 NPR1-dependent, beta-aminobutyric acid-inducible WRKY genes. Our study shows that priming of defence is regulated by different pathways, depending on the inducing agent and the challenging pathogen. Furthermore, we demonstrated that priming is associated with the enhanced expression of transcription factors
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Aminobutyrates
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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|a Cyclopentanes
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|a NPR1 protein, Arabidopsis
|2 NLM
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|a Oxylipins
|2 NLM
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|a Transcription Factors
|2 NLM
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|a 3-aminobutyric acid
|2 NLM
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|a 4282SA5CTS
|2 NLM
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|a jasmonic acid
|2 NLM
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| 650 |
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|a 6RI5N05OWW
|2 NLM
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|a Salicylic Acid
|2 NLM
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|a O414PZ4LPZ
|2 NLM
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| 700 |
1 |
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|a Van Hulten, Marieke
|e verfasserin
|4 aut
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| 700 |
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|a Pozo, Maria J
|e verfasserin
|4 aut
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| 700 |
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|a Czechowski, Tomasz
|e verfasserin
|4 aut
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| 700 |
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|a Udvardi, Michael K
|e verfasserin
|4 aut
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|a Pieterse, Corné M J
|e verfasserin
|4 aut
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|a Ton, Jurriaan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 183(2009), 2 vom: 04., Seite 419-431
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:183
|g year:2009
|g number:2
|g day:04
|g pages:419-431
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|u http://dx.doi.org/10.1111/j.1469-8137.2009.02851.x
|3 Volltext
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