Elucidation of molecular mechanism of plastoquinone oxidation in acclimation to high light stress

• Project/Area Number: 21570041
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Plant molecular biology/Plant physiology
• Research Institution: Kobe University
• Principal Investigator: MIYAKE Chikahiro 神戸大学, 大学院・農学研究科, 准教授 (80294289)
• Project Period (FY): 2009 – 2011
• Project Status: Completed (Fiscal Year 2011)
• Budget Amount: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000); Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2009: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
• Keywords: 植物 / タンパク質 / 遺伝子 / ストレス / 光合成

Research Abstract

We researched the effect of photoinhibition of PSII on the activity of cyclic electron flow around PSI(CEF), and found that the inactivation of PSII activated CEF. Photoinhibition of PSII oxidized plastoquinone pool, which would be required for the expression of CEF activity.

Research Products

• [Journal Article] Cyclic electron flow around PSI functions in the photoinhibited rice leaves (2011)
  • Author(s): Kubo, Masumura, Saito, Fukayama, Suzuki, Sugimoto, Makino, Amako, Miyake
  • Journal Title: Soil Sci Plant Nutri Volume: 57 Pages: 105-113
  • NAID: 110008897269
• [Journal Article] Activation of Cyclic Electron Flow around PSI in the Photoinhibited Rice Leaves (2011)
  • Author(s): Kubo, et al.
  • Journal Title: Soil Science & Plant Nutrition Volume: (In press)
  • Peer Reviewed
• [Journal Article] Acclimation of tobacco leaves to high light intensity drives the plastoquinone oxidation system-Relationship among the fraction of open PSII center, non-photochemical quenching of Chl fluorescence and the maximum quantum yield of PSII in the dark. (2009)
  • Author(s): Chikahiro Miyake, Katsumi Amako, Naomasa SHiraishi, Toshio Sugimoto
  • Journal Title: Plant Cell Physiology 50 Pages: 730-743
  • NAID: 10027339251
  • Peer Reviewed
• [Journal Article] 光合成電子伝達反応におけるオルタナティブ・エレクトロン・フロー(The Water-Water CycleおよひCyclic Electron Flow around PSI)を整理してみる～クロロフィル蛍光パラメーターの統一的理解を通して (2009)
  • Author(s): 久保智、三宅親弘
  • Journal Title: 光合成研究 19 Pages: 66-74
  • Peer Reviewed
• [Remarks]
  • URL: http://cmiyake.yukimizake.net/