ArticleThe Plant cell2008
The transcriptional activator Pti4 is required for the recruitment of a repressosome nucleated by repressor SEBF at the potato PR-10a gene.
Article in The Plant cell, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- A KNOTTED1-LIKE HOMEOBOX PROTEIN1-interacting transcription factor SlGATA6 maintains the auxin-response gradient to inhibit abscission.Science advances · 2025Article
- Pto Interaction Proteins: Critical Regulators in Plant Development and Stress Response.Frontiers in plant science · 2022Review
- Metabolic and Transcriptomic Profiling ofFrontiers in plant science · 2021Article
- Article
- Hierarchical and Dynamic Regulation of Defense-Responsive Specialized Metabolism by WRKY and MYB Transcription Factors.Frontiers in plant science · 2019Article
- Pyramiding of nine transgenes in maize generates high-level resistance against necrotrophic maize pathogens.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- Pathogen-induced ERF68 regulates hypersensitive cell death in tomato.Molecular plant pathology · 2017Article
- Extracellular Alkalinization as a Defense Response in Potato Cells.Frontiers in plant science · 2017Article
- Article
- Article
- Pathogenesis related-10 proteins are small, structurally similar but with diverse role in stress signaling.Molecular biology reports · 2014Review
- Comparative transcriptome profiling of maize coleoptilar nodes during shoot-borne root initiation.Plant physiology · 2013Article
- Impacts of pr-10a overexpression at the molecular and the phenotypic level.International journal of molecular sciences · 2013Article
- FILAMENTOUS FLOWER controls lateral organ development by acting as both an activator and a repressor.BMC plant biology · 2012Article
- Impact of pr-10a overexpression on the cryopreservation success of Solanum tuberosum suspension cultures.Plant cell reports · 2012Article
- Identification of an intronic cis-acting element in the human dopamine transporter gene.Molecular biology reports · 2012Article
- MYB46 modulates disease susceptibility to Botrytis cinerea in Arabidopsis.Plant physiology · 2011Article
- Coordinated activation of cellulose and repression of lignin biosynthesis pathways in rice.Plant physiology · 2011Article
- Transcriptional activation of OsDERF1 in OsERF3 and OsAP2-39 negatively modulates ethylene synthesis and drought tolerance in rice.PloS one · 2011Article
- Dual-function transcription factors and their entourage: unique and unifying themes governing two pathogenesis-related genes.Plant signaling & behavior · 2010Review
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Transcriptional reprogramming is critical for plant disease resistance responses. In potato (Solanum tuberosum), the marker gene PATHOGENESIS-RELATED-10a (PR-10a) is transcriptionally activated by pathogens, wounding, or elicitor treatment. Activation of PR-10a requires the recruitment of the activator Why1 to its promoter. In addition, PR-10a is negatively regulated by the repressor SEBF (for Silencer Element Binding Factor). Here, we show through a yeast two-hybrid screen that SEBF interacts with Pti4, which has been shown to be a transcriptional activator. SEBF recruits Pti4 via its consensus sequence-type RNA binding domain, while Pti4 is recruited to SEBF by means of its ethylene-response factor domain. In vivo plant transcription assays confirmed that SEBF interacts with Pti4 to form a repressosome, showing that Pti4 can also play a role in transcriptional repression. Chromatin immunoprecipitation revealed that both SEBF and Pti4 are recruited to the PR-10a promoter in uninduced conditions only and that the recruitment of Pti4 is dependent on the presence of SEBF, consistent with the fact that there is no Pti4 consensus binding site in PR-10a. Unexpectedly, we also demonstrated that recruitment of SEBF was dependent on the presence of Pti4, thereby explaining why SEBF, itself a repressor, requires Pti4 for its repressing function.
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