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OsDRE2 contributes to chitin-triggered response through its interaction with OsRLCK185.
Yamaguchi, Koji; Yoshimura, Yuya; Nakagawa, Shinya; Mezaki, Hirokazu; Yoshimura, Satomi; Kawasaki, Tsutomu.
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  • Yamaguchi K; a Department of Advanced Bioscience , Graduate School of Agriculture, Kindai University , Nakamachi , Nara , Japan.
  • Yoshimura Y; a Department of Advanced Bioscience , Graduate School of Agriculture, Kindai University , Nakamachi , Nara , Japan.
  • Nakagawa S; a Department of Advanced Bioscience , Graduate School of Agriculture, Kindai University , Nakamachi , Nara , Japan.
  • Mezaki H; a Department of Advanced Bioscience , Graduate School of Agriculture, Kindai University , Nakamachi , Nara , Japan.
  • Yoshimura S; a Department of Advanced Bioscience , Graduate School of Agriculture, Kindai University , Nakamachi , Nara , Japan.
  • Kawasaki T; a Department of Advanced Bioscience , Graduate School of Agriculture, Kindai University , Nakamachi , Nara , Japan.
Biosci Biotechnol Biochem ; 83(2): 281-290, 2019 Feb.
Article en En | MEDLINE | ID: mdl-30418086
The rice receptor-like cytoplasmic kinase 185 (OsRLCK185) interacts with the chitin receptor complex OsCERK1/CEBiP and positively regulates chitin-induced immune responses including MAP kinase activation, ROS production and defense gene expression. To elucidate the regulatory mechanisms of OsRLCK185-mediated immunity, we searched for interactors of OsRLCK185. OsDRE2a, rice homologs of the yeast Dre2 protein, were identified as novel interactors of OsRLCK185. OsDRE2a interacted with OsRLCK185 at plasma membrane. The conserved cysteine residues in CIAPIN1 domain of OsDRE2a were essential for tight interaction of OsRLCK185. OsDRE2a was phosphorylated by OsRLCK185. The expression of OsDRE2a and OsDRE2b was induced after chitin treatment. Reduction of OsDRE2a and OsDRE2b mRNA levels by RNA interference resulted in the decreased chitin-induced ROS production. Thus, it is likely that OsDRE2 regulates OsRLCK185-mediated immune responses.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Proteínas de Plantas / Oryza / Quitina / Proteínas Serina-Treonina Quinasas / Inmunidad de la Planta Idioma: En Revista: Biosci Biotechnol Biochem Asunto de la revista: BIOQUIMICA / BIOTECNOLOGIA Año: 2019 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Proteínas de Plantas / Oryza / Quitina / Proteínas Serina-Treonina Quinasas / Inmunidad de la Planta Idioma: En Revista: Biosci Biotechnol Biochem Asunto de la revista: BIOQUIMICA / BIOTECNOLOGIA Año: 2019 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido