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Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling.

ABSTRACT: Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling.

PROVIDER: PRJEB57826 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR10513482.fastq.gz	Fastqsanger.gz
	ERR10513483.fastq.gz	Fastqsanger.gz
	ERR10513484.fastq.gz	Fastqsanger.gz
	ERR10513485.fastq.gz	Fastqsanger.gz
	ERR10513486.fastq.gz	Fastqsanger.gz

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Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling (GUS overexpression)

Project description:Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling (GUS overexpression)

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Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling (rolB overexpression)

Project description:Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling (rolB overexpression)

| PRJEB53937 | ENA

NINJA connects JAZ proteins to the co-repressor TOPLESS

Project description:NINJA (At4g28910) and TOPLESS proteins function as negative regulators of jasmonate responses. Our results point to TPL proteins as general co-repressors that affect multiple signalling pathways through the interaction with specific adaptor proteins. This new insight reveals how stress- and growth-related signalling cascades use common molecular mechanisms to regulate gene expression in plants. Two-condition experiment, Col-0 vs. plants silencing NINJA (RNAi-NINJA) and both Col-0 vs RNAi NINJA treated with coronatine . Biological replicates: 4 control replicates untreated , 4 RNAi NINJA untreated replicates, 4 control treated replicates and 4 RNAi NINJA treated replicates

2010-04-05 | E-GEOD-19455 | biostudies-arrayexpress

NINJA connects JAZ proteins to the co-repressor TOPLESS

2010-04-05 | GSE19455 | GEO

Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling.

Project description:RNA sequencing was performed to compare the gene expression in tomato roots upon infection with the wild-type rhizogenic Agrobacterium K599 strain, the rolB∆ mutant strain and the rolB∆ strain with the constructs expressing either the native rolB oncogene or the rolBmEAR2 mutant.

2022-12-05 | E-MTAB-12405 | biostudies-arrayexpress

Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling (GUS overexpression)

Project description:RNA sequencing was performed on tomato hairy root lines transformed with a GUS overexpression construct, 24 h after mock and jasmonate (JA) treatment. This set-up allowed us to map the gene targets of JA in tomato hairy roots after 24h.

2022-07-08 | E-MTAB-11876 | biostudies-arrayexpress

Ustilago maydis effector Jsi1 interacts with Topless corepressor, hijacking plant JA/ET signaling

Project description:• Ustilago maydis (U. maydis) is the causal agent of maize smut disease. During the colonization process, the fungus secretes effector proteins which suppress immune responses and redirect the host metabolism in favor of the pathogen. As effectors play a critical role during plant colonization, their identification and functional characterization is essential to understanding biotrophy and disease. • Using biochemical, molecular, and transcriptomic techniques, we performed a functional characterization of the U. maydis effector Jasmonate/Ethylene signaling inducer 1 (Jsi1). • Jsi1 interacts with several members of the plant co‐repressor family Topless/Topless related (TPL/TPR). Jsi1 expression in Zea mays (Z. mays) and Arabidopsis thaliana (A. thaliana) leads to transcriptional induction of the ethylene response factor (ERF) branch of the jasmonate/ethylene (JA/ET) signaling pathway. In A. thaliana, activation of the ERF‐branch leads to biotrophic susceptibility. Jsi1 likely activates the ERF‐branch via an EAR motif, which resembles EAR motifs from plant ERF transcription factors, that interacts with TPL/TPR proteins. • EAR motif‐containing effector candidates were identified from different fungal species including Magnaporthe oryzae, Sporisorium scitamineum, and Sporisorium reilianum. Interaction between plant TPL proteins and these effector candidates from biotrophic and hemibiotrophic fungi indicates the convergent evolution of effectors modulating the TPL/TPR co‐repressor hub.

2020-11-30 | GSE142128 | GEO

Arabidopsis ECAP is a New Adaptor Protein that Connects JAZ Repressors with TPR2 Co-repressor to Suppress Jasmonate-Responsive Anthocyanin Accumulation

Project description:Suppression mechanism employed by transcriptional repressors is commonly existed in diverse phytohormone signaling. In Arabidopsis thaliana, JASMONATE-ZIM DOMAIN (JAZ) proteins act as transcriptional repressors and involve in different aspects of the JA signaling network, through recruiting general co-repressors TOPLESS (TPL) and TPL-related proteins (TPRs). To accomplish overlapping but also finely separated functions of JAZ proteins, specificadaptor proteins are employed in JA signaling. Novel Interactor of JAZ (NINJA) is an adaptor protein mediates gene repression in JA-dependent root growth inhibition and pathogen defense. However, the adaptor protein(s) modulate other JA responsive biological processes is still a mystery. In this study, we demonstrated that a previously uncharacterized protein, ECAP(EAR-Containing Adaptor Protein) that connects JAZ6/8 and TPR to repress JA-mediated anthocyanin accumulation at low JA level. We also found ECAP-mediated transcriptional repression might play a general role in multiple aspects of plant development and responses to environments.

2019-11-07 | GSE125557 | GEO

NINJA connects the co-repressor TOPLESS to jasmonate signalling.

Project description:Jasmonoyl-isoleucine (JA-Ile) is a plant hormone that regulates a broad array of plant defence and developmental processes. JA-Ile-responsive gene expression is regulated by the transcriptional activator MYC2 that interacts physically with the jasmonate ZIM-domain (JAZ) repressor proteins. On perception of JA-Ile, JAZ proteins are degraded and JA-Ile-dependent gene expression is activated. The molecular mechanisms by which JAZ proteins repress gene expression remain unknown. Here we show that the Arabidopsis JAZ proteins recruit the Groucho/Tup1-type co-repressor TOPLESS (TPL) and TPL-related proteins (TPRs) through a previously uncharacterized adaptor protein, designated Novel Interactor of JAZ (NINJA). NINJA acts as a transcriptional repressor whose activity is mediated by a functional TPL-binding EAR repression motif. Accordingly, both NINJA and TPL proteins function as negative regulators of jasmonate responses. Our results point to TPL proteins as general co-repressors that affect multiple signalling pathways through the interaction with specific adaptor proteins. This new insight reveals how stress-related and growth-related signalling cascades use common molecular mechanisms to regulate gene expression in plants.

| S-EPMC2849182 | biostudies-literature

Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS and NINJA repressor proteins to reprogram plant jasmonate signaling (rolB overexpression)

Project description:RNA sequencing was performed to compare the gene expression in tomato hairy root lines transformed with the inducible rolB, rolBmEAR2 or GFP overexpression constructs, 24 h after mock and β-estradiol treatments. This set-up allowed us to map the general RolB targets as well as the specific targets of the RolB-mediated inhibition of the TPL function.

2022-07-08 | E-MTAB-11880 | biostudies-arrayexpress

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