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20231226070648.0 |
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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18945
|2 doi
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|a pubmed24n1188.xml
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|a (DE-627)NLM356530396
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|a (NLM)37149885
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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 |
1 |
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|a Castro, Claudia
|e verfasserin
|4 aut
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| 245 |
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|a Priming grapevine with lipopolysaccharide confers systemic resistance to Pierce's disease and identifies a peroxidase linked to defense priming
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|c 2023
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|a Text
|b txt
|2 rdacontent
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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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|a Date Completed 02.11.2023
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|a Date Revised 02.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.
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|a Priming is an adaptive mechanism that fortifies plant defense by enhancing activation of induced defense responses following pathogen challenge. Microorganisms have signature microbe-associated molecular patterns (MAMPs) that induce the primed state. The lipopolysaccharide (LPS) MAMP isolated from the xylem-limited pathogenic bacterium, Xylella fastidiosa, acts as a priming stimulus in Vitis vinifera grapevines. Grapevines primed with LPS developed significantly less internal tyloses and external disease symptoms than naive vines. Differential gene expression analysis indicated major transcriptomic reprogramming during the priming and postpathogen challenge phases. Furthermore, the number of differentially expressed genes increased temporally and spatially in primed vines, but not in naive vines during the postpathogen challenge phase. Using a weighted gene co-expression analysis, we determined that primed vines have more genes that are co-expressed in both local and systemic petioles than naive vines indicating an inherent synchronicity that underlies the systemic response to this vascular pathogen specific to primed plants. We identified a cationic peroxidase, VviCP1, that was upregulated during the priming and postpathogen challenge phases in an LPS-dependent manner. Transgenic expression of VviCP1 conferred significant disease resistance, thus, demonstrating that grapevine is a robust model for mining and expressing genes linked to defense priming and disease resistance
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a defense priming
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| 650 |
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|a peroxidases
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| 650 |
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|a reactive oxygen species
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| 650 |
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|a systemic resistance
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| 650 |
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|a tyloses
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|a xylem
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| 650 |
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|a Lipopolysaccharides
|2 NLM
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| 650 |
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|a Peroxidase
|2 NLM
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| 650 |
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|a EC 1.11.1.7
|2 NLM
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| 700 |
1 |
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|a Massonnet, Mélanie
|e verfasserin
|4 aut
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| 700 |
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|a Her, Nancy
|e verfasserin
|4 aut
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| 700 |
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|a DiSalvo, Biagio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jablonska, Barbara
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeske, Daniel R
|e verfasserin
|4 aut
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| 700 |
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|a Cantu, Dario
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roper, M Caroline
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 239(2023), 2 vom: 12. Juli, Seite 687-704
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:239
|g year:2023
|g number:2
|g day:12
|g month:07
|g pages:687-704
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| 856 |
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|u http://dx.doi.org/10.1111/nph.18945
|3 Volltext
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