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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2012.04113.x
|2 doi
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|a pubmed24n0721.xml
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|a (DE-627)NLM216344689
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|a (NLM)22432714
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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 Feng, Dong Xin
|e verfasserin
|4 aut
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| 245 |
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|a Biological control of bacterial wilt in Arabidopsis thaliana involves abscissic acid signalling
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|c 2012
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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 05.09.2012
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|a Date Revised 16.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2012 INRA. New Phytologist © 2012 New Phytologist Trust.
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|a Means to control bacterial wilt caused by the phytopathogenic root bacteria Ralstonia solanacearum are limited. Mutants in a large cluster of genes (hrp) involved in the pathogenicity of R. solanacearum were successfully used in a previous study as endophytic biocontrol agents in challenge inoculation experiments on tomato. However, the molecular mechanisms controlling this resistance remained unknown. We developed a protection assay using Arabidopsis thaliana as a model plant and analyzed the events underlying the biological control by genetic, transcriptomic and molecular approaches. High protection rates associated with a significant decrease in the multiplication of R. solanacearum were observed in plants pre-inoculated with a ΔhrpB mutant strain. Neither salicylic acid, nor jasmonic acid/ethylene played a role in the establishment of this resistance. Microarray analysis showed that 26% of the up-regulated genes in protected plants are involved in the biosynthesis and signalling of abscissic acid (ABA). In addition 21% of these genes are constitutively expressed in the irregular xylem cellulose synthase mutants (irx), which present a high level of resistance to R. solanacearum. We propose that inoculation with the ΔhrpB mutant strain generates a hostile environment for subsequent plant colonization by a virulent strain of R. solanacearum
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis Proteins
|2 NLM
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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|a ABI1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 3.1.3.-
|2 NLM
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|a Phosphoprotein Phosphatases
|2 NLM
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|a EC 3.1.3.16
|2 NLM
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| 700 |
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|a Tasset, Céline
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hanemian, Mathieu
|e verfasserin
|4 aut
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| 700 |
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|a Barlet, Xavier
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Jian
|e verfasserin
|4 aut
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| 700 |
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|a Trémousaygue, Dominique
|e verfasserin
|4 aut
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|a Deslandes, Laurent
|e verfasserin
|4 aut
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|a Marco, Yves
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 194(2012), 4 vom: 12. Juni, Seite 1035-1045
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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|g volume:194
|g year:2012
|g number:4
|g day:12
|g month:06
|g pages:1035-1045
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|u http://dx.doi.org/10.1111/j.1469-8137.2012.04113.x
|3 Volltext
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