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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-08-21-1675-RE
|2 doi
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|a pubmed24n1117.xml
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|a (DE-627)NLM335143474
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|a (NLM)34978870
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a de Borba, Marlon C
|e verfasserin
|4 aut
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|a A Laminarin-Based Formulation Protects Wheat Against Zymoseptoria tritici via Direct Antifungal Activity and Elicitation of Host Defense-Related Genes
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|c 2022
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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 02.05.2022
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|a Date Revised 02.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The present study aimed to evaluate the potential of the laminarin-based formulation Vacciplant to protect and induce resistance in wheat against Zymoseptoria tritici, a major pathogen on this crop. Under greenhouse conditions, a single foliar spraying of the product 2 days before inoculation with Z. tritici reduced disease severity and pycnidium density by 42 and 45%, respectively. Vacciplant exhibited a direct antifungal activity on Z. tritici conidial germination both in vitro and in planta. Moreover, it reduced in planta substomatal colonization as well as pycnidium formation on treated leaves. Molecular investigations revealed that Vacciplant elicits but did not prime the expression of several wheat genes related to defense pathways, including phenylpropanoids (phenylalanine ammonia-lyase and chalcone synthase), octadecanoids (lipoxygenase and allene oxide synthase), and pathogenesis-related proteins (β-1,3-endoglucanase and chitinase). By contrast, it did not modulate the expression of oxalate oxidase gene involved in the reactive oxygen species metabolism. Ultrahigh-performance liquid chromatography-mass spectrometry analysis indicated limited changes in leaf metabolome after product application in both noninoculated and inoculated conditions, suggesting a low metabolic cost associated with induction of plant resistance. This study provides evidence that the laminarin-based formulation confers protection to wheat against Z. tritici through direct antifungal activity and elicitation of plant defense-associated genes
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|a Journal Article
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|a Laminaria digitata
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|a Septoria tritici blotch
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|a Triticum aestivum L.
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|a brown algae
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|a crop protection
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|a gene expression
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|a metabolomics
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|a resistance inducers
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|a Antifungal Agents
|2 NLM
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| 650 |
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|a Glucans
|2 NLM
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| 650 |
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|a laminaran
|2 NLM
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| 650 |
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|a 9008-22-4
|2 NLM
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1 |
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|a Velho, Aline C
|e verfasserin
|4 aut
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|a de Freitas, Mateus B
|e verfasserin
|4 aut
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1 |
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|a Holvoet, Maxime
|e verfasserin
|4 aut
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|a Maia-Grondard, Alessandra
|e verfasserin
|4 aut
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|a Baltenweck, Raymonde
|e verfasserin
|4 aut
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|a Magnin-Robert, Maryline
|e verfasserin
|4 aut
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|a Randoux, Béatrice
|e verfasserin
|4 aut
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| 700 |
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|a Hilbert, Jean-Louis
|e verfasserin
|4 aut
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| 700 |
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|a Reignault, Philippe
|e verfasserin
|4 aut
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| 700 |
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|a Hugueney, Philippe
|e verfasserin
|4 aut
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| 700 |
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|a Siah, Ali
|e verfasserin
|4 aut
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| 700 |
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|a Stadnik, Marciel J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 106(2022), 5 vom: 21. Mai, Seite 1408-1418
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
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|g volume:106
|g year:2022
|g number:5
|g day:21
|g month:05
|g pages:1408-1418
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|u http://dx.doi.org/10.1094/PDIS-08-21-1675-RE
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