A dominant-interfering camta3 mutation compromises primary transcriptional outputs mediated by both cell surface and intracellular immune receptors in Arabidopsis thaliana

A dominant-interfering camta3 mutation compromises primary transcriptional outputs mediated by both cell surface and intracellular immune receptors in Arabidopsis thaliana

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 217(2018), 4 vom: 11. März, Seite 1667-1680
1. Verfasser: Jacob, Florence (VerfasserIn)
Weitere Verfasser: Kracher, Barbara, Mine, Akira, Seyfferth, Carolin, Blanvillain-Baufumé, Servane, Parker, Jane E, Tsuda, Kenichi, Schulze-Lefert, Paul, Maekawa, Takaki
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis thaliana calmodulin-binding transcription activator (CAMTA) cross-tolerance effector-triggered immunity (ETI) immediate early genes nucleotide-binding domain and LRR-containing proteins (NLRs) pattern-triggered immunity (PTI) transcriptional responses mehr... AT2G22300 protein, Arabidopsis Arabidopsis Proteins NLR Proteins Receptors, Immunologic Receptors, Pattern Recognition Transcription Factors
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500 |a Date Revised 18.04.2022 
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520 |a Pattern recognition receptors (PRRs) and nucleotide-binding domain and leucine-rich repeat (LRR)-containing proteins (NLRs) initiate pattern-triggered immunity (PTI) and effector-triggered immunity (ETI), respectively, each associated with the activation of an overlapping set of defence genes. The regulatory mechanism behind this convergence of PTI- and ETI-mediated defence gene induction remains elusive. We generated transgenic Arabidopsis plants that enable conditional NLR activation without pathogen infection to dissect NLR- and PRR-mediated transcriptional signals. A comparative analysis of over 40 transcriptome datasets linked calmodulin-binding transcription activators (CAMTAs) to the activation of overlapping defence genes in PTI and ETI. We used a dominant camta3 mutant (camta3-D) to assess CAMTA functions in the corresponding transcriptional regulation. Transcriptional regulation by NLRs, although highly similar to PTI responses, can be established independently of pathogen-associated molecular pattern (PAMP) perception, defence phytohormones and host cell death. Conditional expression of the N-terminal coiled-coil domain of the barley MLA (Mildew resistance locus A) NLR is sufficient to trigger similar transcriptional reprogramming as full-length NLRs. CAMTA-binding motifs are overrepresented in the 5' regulatory regions of the identified primary immune response genes, consistent with their altered expression and disease resistance responses in camta3-D plants. We propose that CAMTA-mediated transcriptional regulation defines an early convergence point in NLR- and PRR-mediated signalling 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Arabidopsis thaliana 
650 4 |a calmodulin-binding transcription activator (CAMTA) 
650 4 |a cross-tolerance 
650 4 |a effector-triggered immunity (ETI) 
650 4 |a immediate early genes 
650 4 |a nucleotide-binding domain and LRR-containing proteins (NLRs) 
650 4 |a pattern-triggered immunity (PTI) 
650 4 |a transcriptional responses 
650 7 |a AT2G22300 protein, Arabidopsis  |2 NLM 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a NLR Proteins  |2 NLM 
650 7 |a Receptors, Immunologic  |2 NLM 
650 7 |a Receptors, Pattern Recognition  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
700 1 |a Kracher, Barbara  |e verfasserin  |4 aut 
700 1 |a Mine, Akira  |e verfasserin  |4 aut 
700 1 |a Seyfferth, Carolin  |e verfasserin  |4 aut 
700 1 |a Blanvillain-Baufumé, Servane  |e verfasserin  |4 aut 
700 1 |a Parker, Jane E  |e verfasserin  |4 aut 
700 1 |a Tsuda, Kenichi  |e verfasserin  |4 aut 
700 1 |a Schulze-Lefert, Paul  |e verfasserin  |4 aut 
700 1 |a Maekawa, Takaki  |e verfasserin  |4 aut 
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773 1 8 |g volume:217  |g year:2018  |g number:4  |g day:11  |g month:03  |g pages:1667-1680 
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