Effects of cytokinin on production of diterpenoid phytoalexins in rice

DOI Web Site 被引用文献8件 参考文献28件 オープンアクセス

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公開日
2010
DOI
  • 10.1584/jpestics.g09-63
公開者
日本農薬学会

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説明

The production of phytoalexins is a well-documented defense response against pathogen infection in rice. Although jasmonic acid has been suggested to be involved in the production of phytoalexins in both suspension-cultured rice cells and rice leaves, there has been almost no information on other secondary signaling molecules that regulate the production of phytoalexins in rice. In this study, the production of the major diterpenoid phytoalexins, momilactones and phytocassanes, was found to be induced by cytokinin treatment in both suspension-cultured rice cells and rice leaves, and also the upregulation of phytoalexin biosynthetic genes was found to be induced by cytokinin treatment. The roles of cytokinins in the production of diterpenoid phytoalexins in rice infected with a pathogen are discussed.

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