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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erad040
|2 doi
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|a pubmed24n1174.xml
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|a (DE-627)NLM352342110
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|a (NLM)36723875
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Alfaro-Quezada, Juan Felipe
|e verfasserin
|4 aut
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| 245 |
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|a Rootstock increases the physiological defence of tomato plants against Pseudomonas syringae pv. tomato infection
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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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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 01.05.2023
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|a Date Revised 04.06.2023
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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 Climate change has intensified the infection of tomato plants by pathogens such as Pseudomonas syringae pv. tomato (Pst). Rootstocks may increase plant tolerance to leaf phytopathogens. The aim of this study was to evaluate the effects of the tolerant Poncho Negro (R) tomato rootstock on physiological defence and the role of hydrogen sulfide (H2S) in susceptible Limachino (L) tomato plant responses to Pst attack. Ungrafted (L), self-grafted (L/L), and grafted (L/R) plants were infected with Pst. Rootstock increased the concentration of antioxidant compounds including ascorbate in the scion. Tolerant rootstock induced an increase of H2S in the scion, which correlated with enhanced expression of the SlAPX2 gene. A high accumulation of salicylic acid was observed in Pst-inoculated grafted L/L and L/R plants, but this was higher in L/R plants. The increase of H2S during Pst infection was associated with a reduction of ethylene in L/R plants. Our study indicates that the Poncho Negro rootstock reduced the symptoms of bacterial speck disease in the Limachino tomato plants, conferring tolerance to Pst infection. This study provides new knowledge about the impact of rootstock in the defence of tomato plants against leaf pathogens that could be used in sustainable management of tomato cultivation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Pseudomonas syringae pv. tomato
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|a Biotic stress
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|a defence
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|a hydrogen sulfide
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|a plant–microbe interaction
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|a rootstock
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|a tolerance
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| 650 |
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|a tomato
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|a Martínez, Juan Pablo
|e verfasserin
|4 aut
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|a Molinett, Sebastian
|e verfasserin
|4 aut
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|a Valenzuela, Miryam
|e verfasserin
|4 aut
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|a Montenegro, Ivan
|e verfasserin
|4 aut
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|a Ramírez, Ingrid
|e verfasserin
|4 aut
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|a Dorta, Fernando
|e verfasserin
|4 aut
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|a Ávila-Valdés, Andrea
|e verfasserin
|4 aut
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|a Gharbi, Emna
|e verfasserin
|4 aut
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|a Zhou, Mingxi
|e verfasserin
|4 aut
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|a Dailly, Hélène
|e verfasserin
|4 aut
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|a Quinet, Muriel
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|4 aut
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|a Lutts, Stanley
|e verfasserin
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|a Seeger, Michael
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 74(2023), 9 vom: 27. Apr., Seite 2891-2911
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:74
|g year:2023
|g number:9
|g day:27
|g month:04
|g pages:2891-2911
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|u http://dx.doi.org/10.1093/jxb/erad040
|3 Volltext
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