Studies on light-sensing mechanism of a novel photoreceptor family, cyanobacteriochrome

2010 Fiscal Year Self-evaluation Report

• Project/Area Number: 20370018
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Plant molecular biology/Plant physiology
• Research Institution: The University of Tokyo
• Principal Investigator: IKEUCHI Masahiko The University of Tokyo, 大学院・総合文化研究科, 教授 (20159601)
• Project Period (FY): 2008 – 2010
• Keywords: 光受容体 / シアノバクテリア / シアノバクテリオクロム / フィトクロム / テトラピロール / 光合成

Research Abstract

我々が発見した新しい光受容体スーパーファミリーであるシアノバクテリオクロムの独自の光受容機構と多様な光応答現象を解明することを目的として、制御することができるのかを明らかにすることを目的として、代表的なメンバーTePixJ SyCcaS SyPixAなどの光受容機構、結晶構造、シグナル伝達の生化学的役割、生理的役割との関連を解明する。

Research Products

• [Journal Article] The cyanobacteriochrome, TePixJ, isomerizes its own chromophore by converting phycocyanobilin to phycoviolobilin. (2011)
  • Author(s): Ishizuka, T., Kamiya, A., Suzuki, H., Narikawa, R., Noguchi, T., Kohchi, T., Inomata, K., Ikeuchi, M.
  • Journal Title: Biochemistry 50 Pages: 953-961
  • Peer Reviewed
• [Journal Article] Cyanobacteriochrome CcaS regulates phycoerythrin accumulation in Nostoc punctiforme, a group II chromatic adapter. (2010)
  • Author(s): Hirose, Y., Narikawa, R., Katayama, M., Ikeuchi, M.
  • Journal Title: Proc.Natl.Acad.Sci.U.S.A. 107 Pages: 8854-8859
  • Peer Reviewed
• [Journal Article] Crystallization and preliminary X-ray studies of the chromophore-binding domain of cyanobacteriochrome AnPixJ from Anabaena sp.PCC 7120. (2009)
  • Author(s): Narikawa R, Muraki N, Shiba T, Ikeuchi M, Kurisu G.
  • Journal Title: Acta Crystallogr.Sect.F Struct.Biol.Cryst.Commun. 65 Pages: 159-162
  • Peer Reviewed
• [Journal Article] Chl H, the H subunit of the Mg-chelatase, is an anti-sigma factor for SigE in Synechocystis sp.PCC 6803. (2009)
  • Author(s): Osanai, T., Imashimizu, M., Seki, A., Sato, S., Tabata, S., Imamura, S., Asayama, M., Ikeuchi, M., Tanaka, K.
  • Journal Title: Proc.Natl.Acad.Sci.U.S.A. 106 Pages: 6860-6865
  • Peer Reviewed
• [Journal Article] Cyanobacteriochrome CcaS is the green light receptor that induces the expression of phycobilisome linker protein. (2008)
  • Author(s): Hirose, Y., Shimada, T., Narikawa, R., Katayama, M., Ikeuchi, M.
  • Journal Title: Proc.Natl.Acad.Sci.U.S.A. 105 Pages: 9528-9533
  • Peer Reviewed
• [Presentation] Phototactic regulation of unicellular cyanobacteria. (2009)
  • Author(s): Masahiko Ikeuchi
  • Organizer: 15th International Congress
  • Place of Presentation: Photobiology, Dusseldorf.招待講演
  • Year and Date: 20090618-20090623
• [Presentation] Chromatic regulatory system of phycobilisome in Synechocystis sp.PCC 6803 : A new green light receptor and unusual phycobilisome. (2008)
  • Author(s): Masahiko Ikeuchi
  • Organizer: Gordon Research Conferences
  • Place of Presentation: PHOTOSYNTHESIS、招待講演
  • Year and Date: 20080622-20080627
• [Book] 光合成研究法(日本光合成研究会・北大低温科学研究所共編) (2009)
  • Author(s): 広瀬侑、佐藤桃子、池内昌彦
  • Publisher: シアノバクテリア