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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erad202
|2 doi
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|a pubmed24n1225.xml
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|a (DE-627)NLM357488369
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|a (NLM)37246636
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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 Zhu, Feng
|e verfasserin
|4 aut
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| 245 |
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|a Non-specific LIPID TRANSFER PROTEIN 1 enhances immunity against tobacco mosaic virus in Nicotiana benthamiana
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|c 2023
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| 336 |
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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
|b cr
|2 rdacarrier
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|a Date Completed 14.09.2023
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|a Date Revised 13.12.2023
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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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 Plant non-specific lipid transfer proteins (nsLTPs) are small, cysteine-rich proteins that play significant roles in biotic and abiotic stress responses; however, the molecular mechanism of their functions against viral infections remains unclear. In this study, we employed virus-induced gene-silencing and transgenic overexpression to functionally analyse a type-I nsLTP in Nicotiana benthamiana, NbLTP1, in the immunity response against tobacco mosaic virus (TMV). NbLTP1 was inducible by TMV infection, and its silencing increased TMV-induced oxidative damage and the production of reactive oxygen species (ROS), compromised local and systemic resistance to TMV, and inactivated the biosynthesis of salicylic acid (SA) and its downstream signaling pathway. The effects of NbLTP1-silencing were partially restored by application of exogenous SA. Overexpressing NbLTP1 activated genes related to ROS scavenging to increase cell membrane stability and maintain redox homeostasis, confirming that an early ROS burst followed by ROS suppression at the later phases of pathogenesis is essential for resistance to TMV infection. The cell-wall localization of NbLTP1 was beneficial to viral resistance. Overall, our results showed that NbLTP1 positively regulates plant immunity against viral infection through up-regulating SA biosynthesis and its downstream signaling component, NONEXPRESSOR OF PATHOGENESIS-RELATED 1 (NPR1), which in turn activates pathogenesis-related genes, and by suppressing ROS accumulation at the later phases of viral pathogenesis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Nicotiana benthamiana
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| 650 |
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4 |
|a non-specific lipid transfer proteins (nsLTPs)
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| 650 |
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4 |
|a plant immunity
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| 650 |
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4 |
|a reactive oxygen species (ROS)
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| 650 |
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4 |
|a salicylic acid
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| 650 |
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4 |
|a tobacco mosaic virus
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| 650 |
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7 |
|a sterol carrier proteins
|2 NLM
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| 650 |
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7 |
|a Reactive Oxygen Species
|2 NLM
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| 650 |
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7 |
|a Salicylic Acid
|2 NLM
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| 650 |
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7 |
|a O414PZ4LPZ
|2 NLM
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| 650 |
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7 |
|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Cao, Meng-Yao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Peng-Xiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qi-Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lam, Hon-Ming
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 74(2023), 17 vom: 13. Sept., Seite 5236-5254
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:74
|g year:2023
|g number:17
|g day:13
|g month:09
|g pages:5236-5254
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erad202
|3 Volltext
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