Phosphocholine-Containing Glycosyl Inositol-Phosphoceramides from Trichoderma viride Induce Defense Responses in Cultured Rice Cells

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概要

• 論文の詳細を見る

• We isolated two major zwitterionic glycosphingolipids (ZGLs) from the phytopathogenic filamentous fungus Trichoderma viride. Structural analyses showed that the ZGLs (designated Tv-ZGL2 and Tv-ZGL3) were the same as the glycosphingolipids ZGL2 and ZGL4 from Acremonium sp., which are described in our previous paper. ZGLs have the following structure: Man(α1-6)GlcN(α1-2)Ins-P-Cer (Tv-ZGL2) and phosphocholine (PC) → 6Man(α1-6)GlcN(α1-2)Ins-P-Cer (Tv-ZGL3). To determine whether these ZGLs have functional roles in plant-fungus interaction, we tested to determine whether they would induce defense responses in cultured rice cells. We found that T. viride’s ZGLs elicited expression of the PAL and PBZ1 genes, both of which are associated with pathogen resistance. Tv-ZGL2 induced cell death at a moderate rate. Tv-ZGL3, which contains a PC moiety, induced a high level of cell death in rice cells.

• 社団法人 日本農芸化学会の論文

著者

• Yamamoto Kenji

  Graduate School of Biostudies, Kyoto University

• Katayama Takane

  Research Institute for Bioresource and Biotechnology, Ishikawa Prefectural University

• KUMAGAI Hidehiko

  Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University

• Che Fang-sik

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology

• Uchiyama Ryosuke

  Graduate School of Biostudies, Kyoto University

• Aoki Kazuhiro

  Graduate School of Biostudies, Kyoto University

• Sugimoto Hayuki

  Graduate School of Biostudies, Kyoto University

• TAKA Nobuko

  Graduate School of Biostudies, Kyoto University

• ITONORI Saki

  Faculty of Liberal Arts and Education, Shiga University

• SUGITA Mutsumi

  Faculty of Liberal Arts and Education, Shiga University

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