ArticleThe Plant journal : for cell and molecular biology2020
BdWRKY38 is required for the incompatible interaction of Brachypodium distachyon with the necrotrophic fungus Rhizoctonia solani.
Article in The Plant journal : for cell and molecular biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 34 citations in OpenAlex.
- WRKY transcription factors in horticultural crops: regulating quality traits and fruit stress responses.Planta · 2026Review
- Disease-Suppressive Activity of Lecithin Against Foliar Infection byLife (Basel, Switzerland) · 2026Article
- Allelic Variation in Maize Malate Dehydrogenase 7 Shapes Promoter Methylation and Banded Leaf and Sheath Blight Resistance.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Quantitative resistance toFrontiers in plant science · 2026Article
- The transcription factor BnaWRKY75 enhances resistance to the necrotrophic pathogen Sclerotinia sclerotiorum by promoting salicylic acid biosynthesis in oilseed rape.Journal of experimental botany · 2025Article
- Chelation-based iron uptake mitigates the effects of prolonged high-temperature stress in cool-season grasses.Nature communications · 2025Article
- Distinct Infection Mechanisms ofLife (Basel, Switzerland) · 2025Article
- The F-box protein ZmFBL41 negatively regulates disease resistance to Rhizoctonia solani by degrading the abscisic acid synthase ZmNCED6 in maize.Plant cell reports · 2024Article
- Deciphering core microbiota in rhizosphere soil and roots of healthy andFrontiers in microbiology · 2024Article
- Engineering plant immune circuit: walking to the bright future with a novel toolbox.Plant biotechnology journal · 2023Review
- Secreted Glycosyltransferase RsIA_GT ofPathogens (Basel, Switzerland) · 2022Article
- A Seed-Borne Bacterium of Rice,Life (Basel, Switzerland) · 2022Article
- OsbHLH057 targets the AATCA cis-element to regulate disease resistance and drought tolerance in rice.Plant cell reports · 2022Article
- Surveillance of Pathogenicity ofLife (Basel, Switzerland) · 2022Article
- Article
- Time-series transcriptome ofFrontiers in plant science · 2022Article
- Transcriptome analysis of Clavibacter michiganensis subsp. michiganensis-infected tomatoes: a role of salicylic acid in the host response.BMC plant biology · 2021Article
- Transcription Factor-Based Genetic Engineering in Microalgae.Plants (Basel, Switzerland) · 2021Review
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Authors and funding
12 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rhizoctonia solani is a soil-borne necrotrophic fungus that causes sheath blight in grasses. The basal resistance of compatible interactions between R. solani and rice is known to be modulated by some WRKY transcription factors (TFs). However, genes and defense responses involved in incompatible interaction with R. solani remain unexplored, because no such interactions are known in any host plants. Recently, we demonstrated that Bd3-1, an accession of the model grass Brachypodium distachyon, is resistant to R. solani and, upon inoculation with the fungus, undergoes rapid induction of genes responsive to the phytohormone salicylic acid (SA) that encode the WRKY TFs BdWRKY38 and BdWRKY44. Here, we show that endogenous SA and these WRKY TFs positively regulate this accession-specific R. solani resistance. In contrast to a susceptible accession (Bd21), the infection process in the resistant accessions Bd3-1 and Tek-3 was suppressed at early stages before the development of fungal biomass and infection machinery. A comparative transcriptome analysis during pathogen infection revealed that putative WRKY-dependent defense genes were induced faster in the resistant accessions than in Bd21. A gene regulatory network (GRN) analysis based on the transcriptome dataset demonstrated that BdWRKY38 was a GRN hub connected to many target genes specifically in resistant accessions, whereas BdWRKY44 was shared in the GRNs of all three accessions. Moreover, overexpression of BdWRKY38 increased R. solani resistance in Bd21. Our findings demonstrate that these resistant accessions can activate an incompatible host response to R. solani, and BdWRKY38 regulates this response by mediating SA signaling.
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