OsWRKY62 is a Negative Regulator of Basal and Xa21-Mediated Defense against Xanthomonas oryzae pv. oryzae in Rice
| Autor: | Chris Dardick, Xuewei Chen, Mawsheng Chern, Ying Peng, Patrick E. Canlas, Randy Ruan, Pamela C. Ronald, Laura E. Bartley |
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| Rok vydání: | 2008 |
| Předmět: |
Xanthomonas
Recombinant Fusion Proteins Molecular Sequence Data Plant Science Genetically modified crops Genes Plant Microbiology Xanthomonas oryzae Gene Expression Regulation Plant Xanthomonas oryzae pv. oryzae Amino Acid Sequence RNA Messenger Molecular Biology Gene Phylogeny Plant Diseases Regulation of gene expression Innate immune system biology Reverse Transcriptase Polymerase Chain Reaction Life Sciences food and beverages Oryza General Medicine biology.organism_classification Fusion protein Immunity Innate DNA-Binding Proteins Plant Leaves RNA Plant Genome Plant Transcription Factors |
| Zdroj: | Peng, Ying; Bartley, Laura E; Chen, Xuewei; Dardick, Christopher; Chern, Mawsheng; Ruan, Randy; et al.(2008). OsWRKY62 is a negative regulator of basal and Xa21-mediated defense against Xanthomonas oryzae pv. oryzae in rice.. Molecular plant, 1(3), 446-458. UC Davis: Retrieved from: http://www.escholarship.org/uc/item/50j187hq |
| ISSN: | 1674-2052 |
| Popis: | The rice Xa21 gene, which confers resistance to the bacterial pathogen Xanthomonas oryzae pv. oryzae (Xoo), encodes a receptor-like kinase. Few components involved in transducing the Xa21-mediated defense response have yet been identified. Here, we report that XA21 binds to a WRKY transcription factor, called OsWRKY62. The OsWRKY62 gene encodes two splice variants (OsWRKY62.1 and OsWRKY62.2). OsWRKY62.1:smGFP2 and OsWRKY62.2:smGFP2 fusion proteins partially localize to the nucleus. Transgenic plants overexpressing OsWRKY62.1 are compromised in basal defense and Xa21-mediated resistance to Xoo. Furthermore, overexpression of OsWRKY62.1 suppresses the activation of defense-related genes. These results imply that OsWRKY62 functions as a negative regulator of innate immunity in rice, and serves as a critical mediator of both basal and race-specific defense responses. |
| Databáze: | OpenAIRE |
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