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231224s2014 xx |||||o 00| ||eng c |
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|a pubmed24n0811.xml
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|a (DE-627)NLM243523718
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|a (NLM)25394800
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Proietti, S
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Xanthomonas campestris lipooligosaccharides trigger innate immunity and oxidative burst in Arabidopsis
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| 264 |
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|c 2014
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 17.11.2015
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| 500 |
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|a Date Revised 30.09.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a Plants lack the adaptive immunity mechanisms of jawed vertebrates, so they rely on innate immune responses to defense themselves from pathogens. The plant immune system perceives the presence of pathogens by recognition of molecules known as pathogen-associated molecular patterns (PAMPs). PAMPs have several common characteristics, including highly conserved structures, essential for the microorganism but absent in host organisms. Plants can specifically recognize PAMPs using a large set of receptors and can respond with appropriate defenses by activating a multicomponent and multilayered response. Lipopolysaccharides (LPSs) and lipooligosaccharides (LOSs) are major components of the cell surface of Gram-negative bacteria with diverse roles in bacterial pathogenesis of animals and plants that include elicitation of host defenses. Little is known on the mechanisms of perception of these molecules by plants and the associated signal transduction pathways that trigger plant immunity.Here we addressed the question whether the defense signaling pathway in Arabidopsis thaliana was triggered by LOS from Xanthomonas campestris pv. campestris (Xcc), using proteomic and transcriptomic approaches. By using affinity capture strategies with immobilized LOS and LC-MS/MS analyses, we identified 8 putative LOS protein ligands. Further investigation of these interactors led to the definition that LOS challenge is able to activate a signal transduction pathway that uses nodal regulators in common with salicylic acid-mediated pathway. Moreover, we proved evidence that Xcc LOS are responsible for oxidative burst in Arabidopsis either in infiltrated or systemic leaves. In addition, gene expression studies highlighted the presence of gene network involved in reactive oxygen species transduction pathway
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a Lipopolysaccharides
|2 NLM
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| 650 |
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7 |
|a Reactive Oxygen Species
|2 NLM
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| 650 |
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7 |
|a lipid-linked oligosaccharides
|2 NLM
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| 700 |
1 |
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|a Giangrande, C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Amoresano, A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pucci, P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Molinaro, A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bertini, L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Caporale, C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Caruso, C
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 85(2014) vom: 28. Dez., Seite 51-62
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
8 |
|g volume:85
|g year:2014
|g day:28
|g month:12
|g pages:51-62
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|a AR
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| 952 |
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|d 85
|j 2014
|b 28
|c 12
|h 51-62
|