Okajima Koji 岡島公司

… Alternative Names

岡島公司オカジマコウジ

OKAJIMA Koji 岡島公司

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Researcher Number	20438245
Affiliation (Current)	2025: 慶應義塾大学, 理工学部(矢上), 特任助教
Affiliation (based on the past Project Information) *help	2019: 慶應義塾大学, 理工学部(矢上), 特任助教 2017: 慶應義塾大学, 理工学研究科, 特任助教 2016: 慶應義塾大学, 理工学研究科(矢上), 特任助教 2015: 慶應義塾大学, 理工学研究科, 助教 2012: 大阪府立大学, 大学院・理学系研究科, 特認助教
Review Section/Research Field	Principal Investigator Basic Section 44030:Plant molecular biology and physiology-related / Plant molecular biology/Plant physiology Except Principal Investigator Science in genetics and breeding / Biophysics
Keywords	Principal Investigator 活性調節機構 / 構造変化 / 構造解析 / 植物環境応答 / 構造機能相関 / フォトトロピン / 光受容体 Except Principal Investigator 有用遺伝子組換え植物作出 / シロイヌナズナ / GAF … More / 光受容体 / 避陰応答 / フィトクロム / MEK / 細胞機能光制御 / LOV2ドメイン / 分化光制御 / 細胞分裂 / ERK / MAPキナーゼ / LOVドメイン / 青色光受容体 / キナーゼ活性光制御 / MAP キナーゼ / LOV ドメイン / フォトトロピン Less

植物赤/遠赤色光受容体の分子内、分子間シグナル伝達機構の解明Principal Investigator
- Principal Investigator
  
  岡島公司
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 44030:Plant molecular biology and physiology-related
- Research Institution
  Keio University
Challenge to escape shade avoidance responses of plants by modification of photoreceptor to improve productivity of crops
- Principal Investigator
  
  Yoshihara Shizue
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Science in genetics and breeding
- Research Institution
  Osaka Prefecture University
Elucidation of intramolecular and intermolecular signaling mechanisms in the plant blue light receptorPrincipal Investigator
- Principal Investigator
  
  Okajima Koji
- Project Period (FY)
  2015 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Plant molecular biology/Plant physiology
- Research Institution
  Keio University
Regulation cell function by light using LOV photoreceptive module
- Principal Investigator
  
  TOKUTOMI Satoru
- Project Period (FY)
  2011 – 2012
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Biophysics
- Research Institution
  Osaka Prefecture University

All 2017 2016 2015 2013 2012 2011

All Journal Article Presentation

[Journal Article] Reconstitution of an initial step of phototropin signaling in stomatal guard cells2016
- Author(s)
  Atsushi Takemiya, Ayaka Doi, Sayumi Yoshida, Koji Okajima, Satoru Tokutomi, Ken-ichiro Shimazaki
- Journal Title
  
  Plant Cell Physiol.
  
  Volume: 57 Issue: 1 Pages: 152-159
- DOI
  10.1093/pcp/pcv180
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K14552, KAKENHI-PROJECT-15K18559, KAKENHI-PROJECT-26711019, KAKENHI-PROJECT-15K14479
[Journal Article] Blue-light-excited LOV2 triggers a rearrangement of the kinase domain to induce phosphorylation activity in Arabidopsis phototropin12016
- Author(s)
  M. Oide, K. Okajima, S. Kashojiya, Y. Takayama, T. Oroguchi, T. Hikima, M. Yamamoto and M. Nakasako
- Journal Title
  
  Journal of Biological Chemistry
  
  Volume: 291 Issue: 38 Pages: 19975-19984
- DOI
  10.1074/jbc.m116.735787
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PUBLICLY-15H01647, KAKENHI-PROJECT-15K18559
[Journal Article] Diverse photoreceptors and light responses in plants2016
- Author(s)
  Kong SG, Okajima K
- Journal Title
  
  J. Plant Res.
  
  Volume: 129 Issue: 2 Pages: 111-114
- DOI
  10.1007/s10265-016-0792-5
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K18559, KAKENHI-PROJECT-25440140
[Journal Article] フラビン結合型光受容体の多様な光反応とシグナル伝達機構2016
- Author(s)
  岡島　公司
- Journal Title
  
  光合成研究（日本光合成学会）
  
  Volume: 26 Pages: 138-148
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K18559
[Journal Article] Molecular mechanism of phototropin light signaling2016
- Author(s)
  Okajima K
- Journal Title
  
  J. Plant Res.
  
  Volume: 129 Issue: 2 Pages: 149-157
- DOI
  10.1007/s10265-016-0783-6
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K18559
[Journal Article] The linker between LOV2-Ja and STK plays an essential role in the kinase activation by blue light in Arabidopsis phototropin1, a plant blue light receptor.2015
- Author(s)
  Kashojiya, S., Yoshihara, S., Okajima, K. and Tokuotmi, S.
- Journal Title
  
  FEBS Lett.
  
  Volume: 590 Issue: 1 Pages: 139-147
- DOI
  10.1002/1873-3468.12028
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K14479, KAKENHI-PROJECT-15K18559
[Journal Article] From UV-B to Far-Red Light, a Variety of Plant Photoreceptors2015
- Author(s)
  徳富　哲、岡島公司、吉原静恵
- Journal Title
  
  Seibutsu Butsuri
  
  Volume: 55 Issue: 4 Pages: 181-186
- DOI
  10.2142/biophys.55.181
- NAID
  130005090036
- ISSN
  0582-4052, 1347-4219
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K14479, KAKENHI-PROJECT-15K18559
[Journal Article] Mutations in N-terminal Flanking Region of Blue Light-sensing Light-Oxygen and Voltage 2 (LOV2) Domain Disrupt Its Repressive Activity on Kinase Domain in the Chlamydomonas Phototropin2012
- Author(s)
  Yusuke Aihara, Takaharu Yamamoto, Koji Okajima, Kazuhiko Yamamoto, Tomomi Suzuki, Satoru Tokutomi, Kazuma Tanaka, Akira Nagatani
- Journal Title
  
  Journal of Biological Chemistry
  
  Volume: 287 Issue: 13 Pages: 9901-9909
- DOI
  10.1074/jbc.m111.324723
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J01094, KAKENHI-PROJECT-21370020, KAKENHI-PROJECT-21370085, KAKENHI-PROJECT-21570192, KAKENHI-ORGANIZER-22120001, KAKENHI-PLANNED-22120002, KAKENHI-PLANNED-22120005, KAKENHI-PROJECT-23657105, KAKENHI-PROJECT-23770040
[Journal Article] Photosensitivity of kinase activation by blue light involves the lifetime of a cysteinyl-flavin adduct intermediate, S390, in the photoreaction cycle of the LOV2 domain in phototropin, a plant blue light receptor.2012
- Author(s)
  Okajima, K.
- Journal Title
  
  J. Biol. Chem .
  
  Volume: 287 Issue: 49 Pages: 40972-40981
- DOI
  10.1074/jbc.m112.406512
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23657105, KAKENHI-PLANNED-22120005
[Journal Article] Photosensitivity of kinase activation by blue light involves the lifetime of a cysteinyl-flavin adduct intermediate, S390, in the photoreaction cycle of the LOV2 domain in phototropin, a plant blue light receptor2012
- Author(s)
  Okajima, K., Kashojiya S, and Tokutomi S
- Journal Title
  
  J. Biol. Chem
  
  Volume: Vol.287 Pages: 40972-40981
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23657105
[Journal Article] Mutations in the N-terminal flanking region of the blue-light sensing domain LOV2 disrupt itsrepressive activity on the kinase domain in the Chlamydomonas phototropin2012
- Author(s)
  Aihara, Y., Yamamoto, T., Okajima, K.,Yamamoto, K., Suzuki, T., Tokutomi, S., Tanaka,K. and Nagatani, A
- Journal Title
  
  J. Biol.Chem
  
  Volume: Vol.287 Pages: 9901-9909
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23657105
[Journal Article] LOV2-linker-kinase phosphorylates LOV1-containing N-terminal polypeptide substrate via photoreaction of LOV2 in Arabidopsis phototropin12011
- Author(s)
  Okajima, K., Matsuoka, D. and Tokutomi, S
- Journal Title
  
  FEBS Lett
  
  Volume: Vol.585 Pages: 3391-3395
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23657105
[Journal Article] Light-induced movement of the LOV2 domain in an Asp720Asn-mutated LOV2-kinase fragment of Arabidopsis phototropin 22011
- Author(s)
  Y.Takayama, M.Nakasako, K.Okajima, A.Iwata, S.Kashojiya, Y.Matsui, S.Tokutomi
- Journal Title
  
  Biochemistry
  
  Volume: 50 Issue: 7 Pages: 1174-1183
- DOI
  10.1021/bi101689b
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-22018027, KAKENHI-PLANNED-22120005, KAKENHI-PROJECT-22244054, KAKENHI-PROJECT-23657105
[Journal Article] Light-Induced movement of the LOV2 domain in an Asp720Asn mutant LOV2-Kinase fragment of Arabidopsis phototropin 22011
- Author(s)
  Takayama, Y., Nakasako, M., Okajima,K., Iwata, A., Kashojiya, S., Matsui, Y. and Tokutomi, S
- Journal Title
  
  Biochemistry
  
  Volume: Vol. 50 Pages: 1174-1183
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23657105
[Journal Article] LOV2-linker-kinase phosphorylates LOV1-containing N-terminal polypeptide substrate via photoreaction of LOV2 in Arabidopsis phototropin12011
- Author(s)
  Okajima, K., Matsuoka, D., Tokutomi, S.
- Journal Title
  
  FEBS Lett.
  
  Volume: 585 Issue: 21 Pages: 3391-3395
- DOI
  10.1016/j.febslet.2011.10.003
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-22120005, KAKENHI-PROJECT-23657105
[Presentation] Absorption spectral properties of phyC activated with blue-shifted red light are conserved among angiosperms.2017
- Author(s)
  Shizue Yoshihara, Kasumi Yamamoto, Koji Okajima, Hayato Tokumoto and Satoru Tokutomi
- Organizer
  Taiwan-Japan Plant Biology 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K14830
[Presentation] ゼニゴケにおけるフォトトロピンのLOVドメインを介する葉緑体逃避反応2017
- Author(s)
  藤井　雄太　　岡島　公司　　児玉　豊
- Organizer
  第58回日本植物生理学会年会
- Place of Presentation
  鹿児島大学（鹿児島県・鹿児島市）
- Year and Date
  2017-03-16
- Data Source
  KAKENHI-PROJECT-15K18559
[Presentation] phyCの短波長吸収特性は進化的に保存されている2016
- Author(s)
  吉原静恵、石黒志保、田中大樹、大久保陽子、加川貴俊、西塚順子、岡島公司、徳富哲
- Organizer
  第57回日本植物生理学会年会
- Place of Presentation
  岩手大学（岩手県・盛岡市）
- Year and Date
  2016-03-18
- Data Source
  KAKENHI-PROJECT-15K18559
[Presentation] phyCの短波長吸収特性のメカニズムと保存性2016
- Author(s)
  吉原静恵、石黒志保、田中大樹、大久保陽子、加川貴俊、桂ひとみ、西塚順子、岡島公司、徳富哲
- Organizer
  日本植物学会
- Place of Presentation
  沖縄コンベンションセンター
- Year and Date
  2016-09-16
- Data Source
  KAKENHI-PROJECT-16K14830
[Presentation] クラミドモナスの全長phototropinにおける光受容機構の分子基盤2013
- Author(s)
  岡島　公司
- Organizer
  第54回日本植物生理学会
- Place of Presentation
  岡山大学（岡山）
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] クラミドモナスの全長phototropin における光受容機構の分子基盤2013
- Author(s)
  岡島公司
- Organizer
  第54回日本植物生理学会
- Place of Presentation
  岡山
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] 植物の青色光受容体キナーゼ（フォトトロピン）のシグナリング機構2012
- Author(s)
  岡島　公司
- Organizer
  第12回日本蛋白質科学会年会
- Place of Presentation
  名古屋国際会議場（愛知）
- Invited
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] Lys475 is critial for light-activation of kinase in Arabidopsis phototropin1.2012
- Author(s)
  Kashojiya, S., Okajima, K. Tokutomi S.
- Organizer
  The 1st International Symposium on Plant Environmental Sensing
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] フォトトロピンのLOV2領域・N末端側近傍の変異によりキナーゼ活性の抑制機能が失われる2012
- Author(s)
  相原　悠介、山本　隆晴、岡島　公司、山本　和彦、鈴木　友美、徳富哲、田中　一馬、長谷　あきら
- Organizer
  第53回日本植物生理学会
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] Photocycle in LOV2 is involved in the light sensitivity of kinase activity in phototropin2012
- Author(s)
  Okajima, K
- Organizer
  The 1st International Symposium on Plant Environmental Sensing
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] 植物の青色光受容体キナーゼ(フォトトロピン)のシグナリング機構2012
- Author(s)
  岡島公司
- Organizer
  第12回日本蛋白質科学会年会
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] Life time of a signaling state in the LOV2 is involved in light sensitivity of kinase activation in Arabidopsis phototropin2012
- Author(s)
  Okajima, K., Kashojiya, S., Tokutomi, S.
- Organizer
  Gordon Research Conference on Photosensory Receptors & Signal Transduction
- Place of Presentation
  USA, Galveston TX
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] シロイヌナズナphot1 LOV2-キナーゼペプチドを用いたLOV2のN末端側領域へのアミノ酸変異導入解析2012
- Author(s)
  嘉祥寺谷　幸子、岡島　公司、徳富　哲
- Organizer
  第53回日本植物生理学会
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] Life time of a signalingstate in the LOV2 is involved in lightsensitivity of kinase activation inArabidopsis phototropin2012
- Author(s)
  Okajima, K
- Organizer
  Gordon ResearchConference on Photosensory Receptors &Signal Transduction
- Place of Presentation
  USA, Galveston TX
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] 青色光受容体BLUFタンパク質TePixDの可逆的な光反応; 低温分光による解析2011
- Author(s)
  福島　佳優、岡島　公司、池内　昌彦、伊藤　繁
- Organizer
  日本生物物理学会第49回年会
- Place of Presentation
  姫路
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] Light regulation of phototropin kinase2011
- Author(s)
  Okajima,k
- Organizer
  第5回アジア・オセアニア光生物学会議
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] The lifetime of S390 in LOV2 domain regulates light sensitivity of kinase activation in Arabidopsis phototroin.2011
- Author(s)
  Kashojiya, S., Okajima, K., Tokutomi, S.
- Organizer
  第５回アジア・オセアニア光生物学会議
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] Signaling mechanisms of phototropin, plant blue light receptor2011
- Author(s)
  岡島公司
- Organizer
  日本生物物理学会第49回年会
- Place of Presentation
  姫路
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] 植物の青色光受容体(フォトトロピン)における分子内シグナル伝達機構2011
- Author(s)
  岡島公司
- Organizer
  第84回日本生化学会大会
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] 植物の青色光受容体（フォトトロピン）における分子内シグナル伝達機構2011
- Author(s)
  岡島　公司、嘉祥寺谷　幸子、徳富哲
- Organizer
  第84回日本生化学会大会
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-23657105
[Presentation] Light regulation of phototropin kinase.2011
- Author(s)
  Okajima, K., Tokutomi, S.
- Organizer
  第５回アジア・オセアニア光生物学会議(招待講演)
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23657105

1. TOKUTOMI Satoru (90142009)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
2. IHARA Hideshi (60254447)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. Yoshihara Shizue (20382236)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
4. 徳本勇人 (70405348)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. TAKEMIYA Atsushi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
6. 中迫雅由

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

Okajima Koji 岡島 公司

岡島 公司 オカジマ コウジ

OKAJIMA Koji 岡島 公司

Research Projects

Research Products

Co-Researchers

植物赤/遠赤色光受容体の分子内、分子間シグナル伝達機構の解明Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Challenge to escape shade avoidance responses of plants by modification of photoreceptor to improve productivity of crops

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Elucidation of intramolecular and intermolecular signaling mechanisms in the plant blue light receptorPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Regulation cell function by light using LOV photoreceptive module

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Reconstitution of an initial step of phototropin signaling in stomatal guard cells2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Blue-light-excited LOV2 triggers a rearrangement of the kinase domain to induce phosphorylation activity in Arabidopsis phototropin12016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Diverse photoreceptors and light responses in plants2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] フラビン結合型光受容体の多様な光反応とシグナル伝達機構2016

Author(s)

Journal Title

Data Source

[Journal Article] Molecular mechanism of phototropin light signaling2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The linker between LOV2-Ja and STK plays an essential role in the kinase activation by blue light in Arabidopsis phototropin1, a plant blue light receptor.2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] From UV-B to Far-Red Light, a Variety of Plant Photoreceptors2015

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] Mutations in N-terminal Flanking Region of Blue Light-sensing Light-Oxygen and Voltage 2 (LOV2) Domain Disrupt Its Repressive Activity on Kinase Domain in the Chlamydomonas Phototropin2012

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Photosensitivity of kinase activation by blue light involves the lifetime of a cysteinyl-flavin adduct intermediate, S390, in the photoreaction cycle of the LOV2 domain in phototropin, a plant blue light receptor.2012

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Photosensitivity of kinase activation by blue light involves the lifetime of a cysteinyl-flavin adduct intermediate, S390, in the photoreaction cycle of the LOV2 domain in phototropin, a plant blue light receptor2012

Author(s)

Journal Title

Okajima Koji 岡島公司

岡島公司オカジマコウジ

OKAJIMA Koji 岡島公司

[Presentation] クラミドモナスの全長phototropin における光受容機構の分子基盤2013