Novel JAZ co-operativity and unexpected JA dynamics underpin Arabidopsis defence responses to Pseudomonas syringae infection

© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 209(2016), 3 vom: 18. Feb., Seite 1120-34
1. Verfasser: de Torres Zabala, Marta (VerfasserIn)
Weitere Verfasser: Zhai, Bing, Jayaraman, Siddharth, Eleftheriadou, Garoufalia, Winsbury, Rebecca, Yang, Ron, Truman, William, Tang, Saijung, Smirnoff, Nicholas, Grant, Murray
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis thaliana JAZ Pseudomonas syringae hormone jasmonic acid (JA) Amino Acids Arabidopsis Proteins Cyclopentanes mehr... Indenes Oxylipins Plant Growth Regulators RNA, Messenger jasmonoyl-isoleucine Isoleucine 04Y7590D77 coronatine 62251-96-1 jasmonic acid 6RI5N05OWW
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245 1 0 |a Novel JAZ co-operativity and unexpected JA dynamics underpin Arabidopsis defence responses to Pseudomonas syringae infection 
264 1 |c 2016 
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500 |a Date Completed 13.12.2016 
500 |a Date Revised 16.03.2022 
500 |a published: Print-Electronic 
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500 |a Citation Status MEDLINE 
520 |a © 2015 The Authors. New Phytologist © 2015 New Phytologist Trust. 
520 |a Pathogens target phytohormone signalling pathways to promote disease. Plants deploy salicylic acid (SA)-mediated defences against biotrophs. Pathogens antagonize SA immunity by activating jasmonate signalling, for example Pseudomonas syringae pv. tomato DC3000 produces coronatine (COR), a jasmonic acid (JA) mimic. This study found unexpected dynamics between SA, JA and COR and co-operation between JAZ jasmonate repressor proteins during DC3000 infection. We used a systems-based approach involving targeted hormone profiling, high-temporal-resolution micro-array analysis, reverse genetics and mRNA-seq. Unexpectedly, foliar JA did not accumulate until late in the infection process and was higher in leaves challenged with COR-deficient P. syringae or in the more resistant JA receptor mutant coi1. JAZ regulation was complex and COR alone was insufficient to sustainably induce JAZs. JAZs contribute to early basal and subsequent secondary plant defence responses. We showed that JAZ5 and JAZ10 specifically co-operate to restrict COR cytotoxicity and pathogen growth through a complex transcriptional reprogramming that does not involve the basic helix-loop-helix transcription factors MYC2 and related MYC3 and MYC4 previously shown to restrict pathogen growth. mRNA-seq predicts compromised SA signalling in a jaz5/10 mutant and rapid suppression of JA-related components on bacterial infection 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Arabidopsis thaliana 
650 4 |a JAZ 
650 4 |a Pseudomonas syringae 
650 4 |a hormone 
650 4 |a jasmonic acid (JA) 
650 7 |a Amino Acids  |2 NLM 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Cyclopentanes  |2 NLM 
650 7 |a Indenes  |2 NLM 
650 7 |a Oxylipins  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a RNA, Messenger  |2 NLM 
650 7 |a jasmonoyl-isoleucine  |2 NLM 
650 7 |a Isoleucine  |2 NLM 
650 7 |a 04Y7590D77  |2 NLM 
650 7 |a coronatine  |2 NLM 
650 7 |a 62251-96-1  |2 NLM 
650 7 |a jasmonic acid  |2 NLM 
650 7 |a 6RI5N05OWW  |2 NLM 
700 1 |a Zhai, Bing  |e verfasserin  |4 aut 
700 1 |a Jayaraman, Siddharth  |e verfasserin  |4 aut 
700 1 |a Eleftheriadou, Garoufalia  |e verfasserin  |4 aut 
700 1 |a Winsbury, Rebecca  |e verfasserin  |4 aut 
700 1 |a Yang, Ron  |e verfasserin  |4 aut 
700 1 |a Truman, William  |e verfasserin  |4 aut 
700 1 |a Tang, Saijung  |e verfasserin  |4 aut 
700 1 |a Smirnoff, Nicholas  |e verfasserin  |4 aut 
700 1 |a Grant, Murray  |e verfasserin  |4 aut 
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773 1 8 |g volume:209  |g year:2016  |g number:3  |g day:18  |g month:02  |g pages:1120-34 
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