Chemical and biological analyses of inter- and intra-plant communication via volatiles in willow tree

• Project/Area Number: 19810031
• Research Category: Grant-in-Aid for Young Scientists (Start-up)
• Allocation Type: Single-year Grants
• Research Field: Living organism molecular science
• Research Institution: National Institute for Agro-Environmental Sciences
• Principal Investigator: KUGIMIYA Soichi National Institute for Agro-Environmental Sciences, 生物多様性研究領域, 任期付研究員 (10455264)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,125,000 (Direct Cost: ¥2,720,000、Indirect Cost: ¥405,000); Fiscal Year 2008: ¥1,755,000 (Direct Cost: ¥1,350,000、Indirect Cost: ¥405,000); Fiscal Year 2007: ¥1,370,000 (Direct Cost: ¥1,370,000)
• Keywords: プラントトーク / 植物-昆虫間相互作用 / ヤナギルリハムシ / 植物揮発性物質 / 植物誘導防衛 / 昆虫食害応答 / 情報化学物質 / 生物間相互作用 / 誘導防衛 / 匂い応答性 / 昆虫食害応答性 / 分子生態学 / 化学生態学 / 昆虫 / 分子生物学

Research Abstract

植物は、植食性昆虫の攻撃を受けると揮発性物質(匂い)を放出し、それを受容した健全植物が防衛機構を発現するという現象(プラントトーク)が知られている。本研究では、ジャヤナギの防御関連遺伝子発現を指標に、室内トーク実験で植物の匂い応答の検出を試みた。ヤナギは匂い受容のみでは遺伝子を発現しないが、匂い受容植物上でハムシの成育が低下することから、匂いのプライミング効果によって食害時に迅速かつ強力な抵抗性を発揮すると考えられる。

Research Products

• [Journal Article] Do adult leaf beetles (Plagiodera versicolora) discriminate between odors from intact and leaf-beetle-infested willow shoots?
  • Author(s): Yoneya, K., Kugimiya, S., Takabayashi, J.
  • Journal Title: Journal of Plant Interactions (印刷中)
  • Peer Reviewed
• [Journal Article] Do adult leaf beetles (Plagiodera versicolora) discriminate between odors from intact and leaf-beetle-infested willow shoots?
  • Author(s): Yoneya, K., Kugimiya, S., Takabayashi, J.
  • Journal Title: Journal of Plant Interactions
  • Peer Reviewed
• [Presentation] Induced defensive effects of intact willow trees in response to volatiles from conspecific trees infested by willow leaf beetles (2007)
  • Author(s): Kugimiya, S., Yoneya, K., Takabayashi, J.
  • Organizer: 4th Asia-Pacific Conference on Chemical Ecology(環太平洋化学生態学会議)
  • Place of Presentation: つくば国際会議場
  • Year and Date: 2007-09-12
• [Presentation] Induced Defensive Effects of Intact Willow Trees in Response to Volatles from Conspecific Trees Infested by Willow Leaf Beetles (2007)
  • Author(s): S. Kugimiya
  • Organizer: 4th Asia-Pacific Conference on Chemical Ecology
  • Place of Presentation: つくば国際会議場・日本
  • Year and Date: 2007-09-12