ポスター発表
第3日 6月12日（水） P会場（多目的ホール・大会議室101＋102）P1会場（多目的ホール）・P2会場（会議室101＋102）
- 3P-43
植物-病原体相互作用におけるファイトアレキシンの機能解明に向けた関連物質の分布解析
(1島津・ 2龍谷大)
中川薫1・ 奥田晃士1・ 別役惠理子2・ o汪秋益1・ 小林まなみ1・ 別役重之2
Phytoalexins are secondary antimicrobial compounds that are rapidly accumulated de novo upon pathogen attacks. However, compared to their well-known functions against fungi and oomycetes, their roles in plant-bacterial interactions remained obscure as exemplified by camalexin, the major phytoalexin in Arabidopsis. Our previous study revealed that the promoter activity of PHYTOALEXIN DEFICIENT 3 (PAD3), a gene required for the camalexin synthesis, is specifically suppressed in the leaf area infiltrated with Pseudomonas syringae pv. tomato DC3000 (Pst) in a Type III Secretion System-dependent manner. We will present our further dissection of this bacterial suppression of camalexin (CA), including mass spectrometry imaging techniques using the iMScopeTM QT (Shimadzu Co.) and the LA -ICPMS-2030 (Shimadzu Co.).