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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erad450
|2 doi
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|a pubmed24n1311.xml
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|a (DE-627)NLM364437642
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|a (NLM)37952108
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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 Wu, Ying
|e verfasserin
|4 aut
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| 245 |
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|a Leaf abaxial immunity to powdery mildew in Arabidopsis is conferred by multiple defense mechanisms
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 29.02.2024
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|a Date Revised 29.02.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2023. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Powdery mildew fungi are obligate biotrophic pathogens that only invade plant epidermal cells. There are two epidermal surfaces in every plant leaf: the adaxial (upper) side and the abaxial (lower) side. While both leaf surfaces can be susceptible to adapted powdery mildew fungi in many plant species, there have been observations of leaf abaxial immunity in some plant species including Arabidopsis. The genetic basis of such leaf abaxial immunity remains unknown. In this study, we tested a series of Arabidopsis mutants defective in one or more known defense pathways with the adapted powdery mildew isolate Golovinomyces cichoracearum UCSC1. We found that leaf abaxial immunity was significantly compromised in mutants impaired for both the EDS1/PAD4- and PEN2/PEN3-dependent defenses. Consistently, expression of EDS1-yellow fluorescent protein and PEN2-green fluorescent protein fusions from their respective native promoters in the respective eds1-2 and pen2-1 mutant backgrounds was higher in the abaxial epidermal cells than in the adaxial epidermal cells. Altogether, our results indicate that leaf abaxial immunity against powdery mildew in Arabidopsis is at least partially due to enhanced EDS1/PAD4- and PEN2/PEN3-dependent defenses. Such transcriptionally pre-programmed defense mechanisms may underlie leaf abaxial immunity in other plant species such as hemp and may be exploited for engineering adaxial immunity against powdery mildew fungi in crop plants
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|a Journal Article
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|a Arabidopsis thaliana
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| 650 |
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|a Abaxial immunity
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| 650 |
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|a EDS1
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|a PEN2
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|a basal resistance
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| 650 |
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|a post-penetration resistance
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| 650 |
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|a powdery mildew
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 700 |
1 |
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|a Sexton, W Kyle
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qiong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bloodgood, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hooks, Caroline
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Coker, Frank
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vasquez, Andrea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Cheng-I
|e verfasserin
|4 aut
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| 700 |
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|a Xiao, Shunyuan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 5 vom: 28. Feb., Seite 1465-1478
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:75
|g year:2024
|g number:5
|g day:28
|g month:02
|g pages:1465-1478
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erad450
|3 Volltext
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