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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18592
|2 doi
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|a pubmed24n1161.xml
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|a (NLM)36319610
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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 Rawat, Anamika A
|e verfasserin
|4 aut
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|a OXIDATIVE SIGNAL-INDUCIBLE1 induces immunity by coordinating N-hydroxypipecolic acid, salicylic acid, and camalexin synthesis
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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 24.01.2023
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|a Date Revised 19.04.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.
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|a Expression of OXIDATIVE SIGNAL-INDUCIBLE1 (OXI1) is induced by a number of stress conditions and regulates the interaction of plants with pathogenic and beneficial microbes. In this work, we generated Arabidopsis OXI1 knockout and genomic OXI1 overexpression lines and show by transcriptome, proteome, and metabolome analysis that OXI1 triggers ALD1, SARD4, and FMO1 expressions to promote the biosynthesis of pipecolic acid (Pip) and N-hydroxypipecolic acid (NHP). OXI1 contributes to enhanced immunity by induced SA biosynthesis via CBP60g-induced expression of SID2 and camalexin accumulation via WRKY33-targeted transcription of PAD3. OXI1 regulates genes involved in reactive oxygen species (ROS) generation such as RbohD and RbohF. OXI1 knock out plants show enhanced expression of nuclear and chloroplast genes of photosynthesis and enhanced growth under ambient conditions, while OXI1 overexpressing plants accumulate NHP, SA, camalexin, and ROS and show a gain-of-function (GOF) cell death phenotype and enhanced pathogen resistance. The OXI1 GOF phenotypes are completely suppressed when compromising N-hydroxypipecolic acid (NHP) synthesis in the fmo1 or ald1 background, showing that OXI1 regulation of immunity is mediated via the NHP pathway. Overall, these results show that OXI1 plays a key role in basal and effector-triggered plant immunity by regulating defense and programmed cell death via biosynthesis of salicylic acid, N-hydroxypipecolic acid, and camalexin
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a OXI1
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|a cell death
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|a immunity
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|a pipecolic acid
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|a reactive oxygen species
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|a salicylic acid
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|a Arabidopsis Proteins
|2 NLM
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|a camalexin
|2 NLM
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|a N-hydroxypipecolic acid
|2 NLM
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| 650 |
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|a Reactive Oxygen Species
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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|a O414PZ4LPZ
|2 NLM
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| 650 |
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|a OXI1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 2.7.11.1
|2 NLM
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| 700 |
1 |
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|a Hartmann, Michael
|e verfasserin
|4 aut
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| 700 |
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|a Harzen, Anne
|e verfasserin
|4 aut
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| 700 |
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|a Lugan, Raphael
|e verfasserin
|4 aut
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| 700 |
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|a Stolze, Sara Christina
|e verfasserin
|4 aut
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|a Forzani, Celine
|e verfasserin
|4 aut
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| 700 |
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|a Abts, Laura
|e verfasserin
|4 aut
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| 700 |
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|a Reißenweber, Sophie
|e verfasserin
|4 aut
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|a Rayapuram, Naganand
|e verfasserin
|4 aut
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| 700 |
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|a Nakagami, Hirofumi
|e verfasserin
|4 aut
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|a Zeier, Jürgen
|e verfasserin
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|a Hirt, Heribert
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 237(2023), 4 vom: 17. Feb., Seite 1285-1301
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:237
|g year:2023
|g number:4
|g day:17
|g month:02
|g pages:1285-1301
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|u http://dx.doi.org/10.1111/nph.18592
|3 Volltext
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|d 237
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|e 4
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|c 02
|h 1285-1301
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