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240310s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2024.112060
|2 doi
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|a pubmed25n1231.xml
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|a (DE-627)NLM369502817
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|a (NLM)38460554
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|a (PII)S0168-9452(24)00087-6
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|a eng
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|a Kuvelja, Anđela
|e verfasserin
|4 aut
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|a Zinc priming enhances Capsicum annuum immunity against infection by Botrytis cinerea- From the whole plant to the molecular level
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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 22.04.2024
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|a Date Revised 22.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a Micronutrient manipulation can enhance crop resilience against pathogens, but the mechanisms are mostly unknown. We tested whether priming Capsicum annuum plants with zinc (5 μM Zn) or manganese (3 μM Mn) for six weeks increases their immunity against the generalist necrotroph Botrytis cinerea compared to deficient (0.1 μM Zn, 0.02 μM Mn) and control conditions (1 μM Zn, 0.6 μM Mn). Zinc priming reduced the pathogen biomass and lesion area and preserved CO2 assimilation and stomatal conductance. Zinc mobilization at the infection site, visualized by micro-X-ray fluorescence, was accompanied by increased Zn protein binding obtained by size exclusion HPLC-ICP/MS. A common metabolic response to fungal infection in Zn- and Mn-primed plants was an accumulation of corchorifatty acid F, a signaling compound, and the antifungal compound acetophenone. In vitro tests showed that the binding of Zn2+ increased, while Mn2+ binding decreased acetophenone toxicity against B. cinerea at concentrations far below the toxicity thresholds of both metals in unbound (aquo complex) form. The metal-specific response to fungal infection included the accumulation of phenolics and amino acids (Mn), and the ligand isocitrate (Zn). The results highlight the importance of Zn for pepper immunity through direct involvement in immunity-related proteins and low molecular weight Zn-complexes, while Mn priming was inefficient
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|a Journal Article
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|a Fungal pathogen
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|a Gray mold disease
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|a Metabolites
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|a Metalloproteins
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|a Micronutrients
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|a Pepper
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|a Plant immunity
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|a Zinc
|2 NLM
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|a J41CSQ7QDS
|2 NLM
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|a Acetophenones
|2 NLM
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|a Morina, Filis
|e verfasserin
|4 aut
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|a Mijovilovich, Ana
|e verfasserin
|4 aut
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|a Bokhari, Syed Nadeem Hussain
|e verfasserin
|4 aut
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|a Konik, Peter
|e verfasserin
|4 aut
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|a Koloniuk, Igor
|e verfasserin
|4 aut
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|a Küpper, Hendrik
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 343(2024) vom: 07. Juni, Seite 112060
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
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|g volume:343
|g year:2024
|g day:07
|g month:06
|g pages:112060
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|u http://dx.doi.org/10.1016/j.plantsci.2024.112060
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