ArticlePlanta2022
The OsWRKY6 transcriptional cascade functions in basal defense and Xa1-mediated defense of rice against Xanthomonas oryzae pv. oryzae.
Article in Planta, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- The Regulatory Army of Plant Defense: Transcription Factors in the War for Plant Immunity.International journal of molecular sciences · 2026Review
- RING-Type E3 Ligase OsRFPH2-6 Ubiquitinates Nuclear Factor Y Subunit OsNF-YA1 to Suppress Rice Immunity.Molecular plant pathology · 2025Article
- Transcription activator-like effectors of Xanthomonas oryzae pv. oryzae hijack host transcriptional regulation through OsWRKYs.Journal of integrative plant biology · 2025Article
- Transcriptome and Metabolome Analysis of Rice Cultivar CBB23 after Inoculation byPlants (Basel, Switzerland) · 2024Article
- The OsICS1 is directly regulated by OsWRKY6 and increases resistance against Xanthomonas oryzae pv. oryzae.Planta · 2024Article
- OsWRKY26 negatively regulates bacterial blight resistance by suppressingFrontiers in plant science · 2024Article
- An Ustilaginoidea virens glycoside hydrolase 42 protein is an essential virulence factor and elicits plant immunity as a PAMP.Molecular plant pathology · 2023Article
- NativePlants (Basel, Switzerland) · 2023Article
- Transcriptome Sequence Analysis of the Defense Responses of Resistant and Susceptible Cucumber Strains toFrontiers in plant science · 2022Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
MAIN
conclusionThe rice protein OsWRKY6 directly activates OsWRKY45 and OsWRKY47 expression, and also activates OsPR1a and OsPR1b through the two OsWRKYs, and this transcriptional module participates in Xa1-mediated defense against the pathogen Xanthomonas oryzae pv. oryzae. Biotic stress, the pathogen Xanthomonas oryzae pv. oryzae (Xoo) in particular, negatively impacts worldwide productivity and yield in the staple crop rice (Oryza sativa). OsWRKY transcription factors are involved in various biotic stress responses in rice, and OsWRKY6 specifically acts as an important defense regulator against Xoo. However, the relationship between OsWRKY6 and other OsWRKYs, as well as its role in resistance (R) gene-mediated defense, have yet to be studied in depth. Here, we characterized a transcriptional cascade triggered by OsWRKY6 that regulated defense against Xoo infection mediated by the NBS-LRR protein Xa1. OsWRKY45 and OsWRKY47 were identified as direct transcriptional targets of OsWRKY6, and their two gene products reciprocally activated their two genes. Furthermore, OsWRKY6 activated OsPR1a and OsPR1b via the OsWRKY45 and OsWRKY47. Two OsWRKY6 RNAi knockdown lines showed significantly reduced defense even against an incompatible Xoo infection, and the expression of OsWRKY6 was not regulated by OsWRKY51 and OsWRKY88. This study reveals that a novel downstream transcriptional pathway activated by OsWRKY6 is involved in Xa1-mediated defense against Xoo.
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Registered trials
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