Updated on 2026/05/07

写真a

 
NOGA Akira
 
Organization
School of Science and Engineering Research Associate
Contact information
The inquiry by e-mail is 《here
External link

Degree

  • 博士(理学) ( 東京大学 )

  • 修士(理学) ( 東京大学 )

Education

  • 2018.3
     

    The University of Tokyo   doctor course   completed

  • 2014.3
     

    The University of Tokyo   master course   completed

  • 2012.3
     

    The University of Tokyo   graduated

Research History

  • 2024.4 - Now

    Chuo University   Faculty of Science and Engineering Department of Biological Sciences   Assistant Professor

  • 2022.12 - 2024.3

    Tokyo Institute of Technology   Institute of Innovative Research   Specially-appointed Assistant Professor

  • 2018.9 - 2022.11

    Paul Scherrer Institute   Division of Biology and Chemistry   Postdoctoral fellow

Professional Memberships

  • 2023.6 - Now

    日本生物物理学会

Research Interests

  • cryo-electron tomography

  • Chlamydomonas

  • centriole

  • cilia

Research Areas

  • Life Science / Structural biochemistry

  • Life Science / Cell biology

Papers

  • Chlamydomonasγ-tubulin mutations reveal a critical role of γ-TuRC in maintaining the stability of centriolar microtubules

    Yuki Nakazawa, Mao Horii, Akira Noga, Yoshikazu Koike, Hiroko Kawai-Toyooka, Hideo Dohra, Katsushi Yamaguchi, Shuji Shigenobu, Ken-ichi Wakabayashi, Masafumi Hirono

    bioRxiv   2025.3

  • ATP-induced conformational change of axonemal outer dynein arms revealed by cryo-electron tomography Reviewed

    Noemi Zimmermann, Akira Noga, Jagan Mohan Obbineni, Takashi Ishikawa

    EMBO JOURNAL   42 ( 12 )   2023.6

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.15252/embj.2022112466

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  • Cryo-electron tomography sheds light on the elastic nature of the Trypanosoma brucei tripartite attachment complex

    Irina Bregy, Julika Radecke, Akira Noga, Hugo van den Hoek, Mara Kern, Beat Haenni, Benjamin D. Engel, C. Alistair Siebert, Takashi Ishikawa, Benoît Zuber, Torsten Ochsenreiter

    bioRxiv   2023.3

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    Publisher:openRxiv  

    Abstract

    In contrast to many eukaryotic organisms, trypanosomes only contain a single mitochondrion per cell. Within that singular mitochondrion, the protist carries a single mitochondrial genome that consists of a complex DNA network, the kinetoplast DNA (kDNA). Segregation of the replicated kDNA is coordinated by the basal body of the cell’s single flagellum. The tripartite attachment complex (TAC) forms a physical connection between the proximal end of the basal body and the kDNA. This allows anchoring of the kDNA throughout the cell cycle and couples kDNA segregation with the separation of the basal bodies prior to cell division. Over the past years, several components of the TAC have been identified. To shed light on the structure of the cytoplasmic part of the TAC (known as the exclusion zone), we performed cryo-electron tomography on whole cells. This allowed us to acquire three-dimensional high-resolution images of the exclusion zone in situ . We observed that the exclusion zone filaments offer great mechanical flexibility for basal body movement. We measured the dimensions of the individual structural elements of the area, as well as the overall orientation and positioning of the basal bodies towards the mitochondrial kDNA pocket. Using a combination of experimental data and modelling, we generated a structural model of the exclusion zone protein p197. Our findings suggest that the majority of p197 consists of a string of spectrin-like repeats. We propose that these structural units provide the architecture of a molecular spring and that they are required in the TAC to withstand the mechanical forces generated through basal body repositioning events during kDNA segregation and motility of the organism.

    DOI: 10.1101/2023.03.06.531305

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  • Bld10p/Cep135 determines the number of triplets in the centriole independently of the cartwheel Reviewed

    Akira Noga, Mao Horii, Yumi Goto, Kiminori Toyooka, Takashi Ishikawa, Masafumi Hirono

    EMBO JOURNAL   41 ( 20 )   2022.10

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.15252/embj.2020104582

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  • A dynein-associated photoreceptor protein prevents ciliary acclimation to blue light Reviewed

    Osamu Kutomi, Ryosuke Yamamoto, Keiko Hirose, Katsutoshi Mizuno, Yuuhei Nakagiri, Hiroshi Imai, Akira Noga, Jagan Mohan Obbineni, Noemi Zimmermann, Masako Nakajima, Daisuke Shibata, Misa Shibata, Kogiku Shiba, Masaki Kita, Hideo Kigoshi, Yui Tanaka, Yuya Yamasaki, Yuma Asahina, Chihong Song, Mami Nomura, Mamoru Nomura, Ayako Nakajima, Mia Nakachi, Lixy Yamada, Shiori Nakazawa, Hitoshi Sawada, Kazuyoshi Murata, Kaoru Mitsuoka, Takashi Ishikawa, Ken-ichi Wakabayashi, Takahide Kon, Kazuo Inaba

    SCIENCE ADVANCES   7 ( 9 )   2021.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1126/sciadv.abf3621

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  • Alternative evolution of a spheroidal colony in volvocine algae: developmental analysis of embryogenesis in Astrephomene (Volvocales, Chlorophyta) Reviewed

    Shota Yamashita, Yoko Arakaki, Hiroko Kawai-Toyooka, Akira Noga, Masafumi Hirono, Hisayoshi Nozaki

    BMC EVOLUTIONARY BIOLOGY   16   2016.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1186/s12862-016-0794-x

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  • SAS-6 engineering reveals interdependence between cartwheel and microtubules in determining centriole architecture Reviewed International coauthorship

    Manuel Hilbert, Akira Noga, Daniel Frey, Virginie Hamel, Paul Guichard, Sebastian H. W. Kraatz, Moritz Pfreundschuh, Sarah Hosner, Isabelle Flueckiger, Rolf Jaussi, Mara M. Wieser, Katherine M. Thieltges, Xavier Deupi, Daniel J. Mueller, Richard A. Kammerer, Pierre Goenczy, Masafumi Hirono, Michel O. Steinmetz

    NATURE CELL BIOLOGY   18 ( 4 )   393 - +   2016.4

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/ncb3329

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  • Space-Dependent Formation of Central Pair Microtubules and Their Interactions with Radial Spokes Reviewed

    Yuki Nakazawa, Tetsuro Ariyoshi, Akira Noga, Ritsu Kamiya, Masafumi Hirono

    PLOS ONE   9 ( 10 )   2014.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1371/journal.pone.0110513

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  • The Simplest Integrated Multicellular Organism Unveiled Reviewed

    Yoko Arakaki, Hiroko Kawai-Toyooka, Yuki Hamamura, Tetsuya Higashiyama, Akira Noga, Masafumi Hirono, Bradley J. S. C. Olson, Hisayoshi Nozaki

    PLOS ONE   8 ( 12 )   2013.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1371/journal.pone.0081641

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Presentations

  • Cryo-electron tomography reveals novel Bld10p/Cep135 filamentous structures contributing to the nine-fold symmetry of centriole Invited

    Akira Noga, Masafumi Hirono, Takashi Ishikawa

    2024.6 

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    Language:English   Presentation type:Oral presentation (general)  

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  • Cryo-electron tomography identified novel filamentous structures composed of Bld10p/Cep135 that determine nine-fold symmetry of centriole Invited

    Akira Noga

    cryo-EM seminar  2022.11 

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    Language:English  

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  • 中心子の9回対称構造を規定するメカニズム -繊毛基底小体(中心子)の機能・構造解析- Invited

    苗加彰

    東工大化生研セミナー  2022.5 

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    Language:Japanese  

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  • Bld10p determines the centriole structure independently of the cartwheel

    Akira Noga, Takashi Ishikawa, Masafumi Hirono

    19th International Conference on the Cell and Molecular Biology of Chlamydomonas  2021.9 

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    Language:English   Presentation type:Oral presentation (general)  

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  • Cryo-electron tomography analysis of human centrioles

    Akira Noga, Roger Benoi, Loretta Müller, Takashi Ishikawa

    Cold Spring Harbor Asia Conference 2019 (Cilia and Centrosome)  2019.10 

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    Language:English   Presentation type:Poster presentation  

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  • Structural difference between human and Chlamydmonas centrioles analyzed by Cryo-electron tomography

    Akira Noga, Roger Benoi, Loretta Müller, Masafumi Hirono, Takashi Ishikawa

    Interdisciplinary Symposium on 3D Microscopy  2019.10 

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    Language:English   Presentation type:Oral presentation (general)  

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  • Bld10p/Cep135 determines the number of triplets in the centriole independently of the cartwheel

    Akira Noga, Mao Horii, Masafumi Hirono

    2019.7 

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    Language:English   Presentation type:Oral presentation (general)  

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  • Dynamic interaction between cartwheel and triplet microtubules establishes the nine-fold s

    Akira Noga

    17th International Conference on the Cell and Molecular Biology of Chlamydomonas  2016.6 

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    Language:English   Presentation type:Oral presentation (general)  

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Awards

  • 東京大学大学院理学系研究科研究奨励賞

    2014.3   東京大学大学院理学系研究科  

  • 第12回東京大学生命科学シンポジウムポスター賞

    2012.6   第12回 東京大学 生命科学シンポジウム  

  • 東京大学理学部学修奨励賞

    2012.3   東京大学理学部  

Research Projects

  • 非標準δ, ζチューブリンの分子配置に着目した中心子微小管の構築・維持機構の解析

    Grant number:26K09321  2026.4 - 2029.3

    日本学術振興会  科学研究費助成事業  基盤研究(C)  中央大学

    苗加 彰

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    Authorship:Principal investigator 

    Grant amount: \4680000 ( Direct Cost: \3600000 、 Indirect Cost: \1080000 )

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  • 緑藻クラミドモナスの2本の繊毛間の違いを生み出す分子機構の解明

    Grant number:23K19346  2023.8 - 2025.3

    日本学術振興会  科学研究費助成事業  研究活動スタート支援  東京工業大学

    苗加 彰

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    Grant amount: \2860000 ( Direct Cost: \2200000 、 Indirect Cost: \660000 )

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  • 繊毛基部体遷移時の中心子クライオ電子顕微鏡構造解析

    2020.1 - 2020.12

    上原財団  海外留学助成ポストドクトラルフェローシップ 

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  • 中心子の普遍的9回対称性構造の確立機構

    Grant number:16J07088  2016.4 - 2018.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費  東京大学

    苗加 彰

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    Grant amount: \1900000 ( Direct Cost: \1900000 )

    前年度から引き続き、中心子9回対称性構造の構築に働く、カートホイール非依存機構を担う実体を明らかにすることを目的とし、中心子タンパク質Bld10pの機能解析を行った。
    1.中心子におけるBld10pの局在
    前年度に樹立した、HAタグを付加したBld10p発現株を用いて免疫電子顕微鏡法を行い、私が発見した中心子微小管間の架橋構造の位置と比較した。その結果、Bld10pのN末端、分子中央、C末端ともに、カートホイールと三連微小管の結合部の間に一直線上に局在し、N末端の局在位置は、最も外周側の架橋構造と、分子中央とC末端の局在位置はそれよりも中心側の架橋構造とほとんど一致した。従って、これらの新規の架橋構造がBld10p分子によって形成されている可能性が高いと考えられる。
    2.カートホイール非存在下におけるBld10pの機能
    Bld10pが微小管間の架橋構造を構成し、それによりカートホイールに依存しない微小管集合に寄与しているのなら、Bld10pを改変して架橋を短くしたときに、中心子の9回対称性に影響を及ぼすはずである。そこで、カートホイールとBld10pを両方欠失する二重変異株bld10bld12に短いBld10pを発現させ、中心子構造に影響するかを検討した。前年度に樹立したbld10bld12に、短いBld10pを発現させ、それらの株の中心子構造を観察した。野生型Bld10pが発現している株では、微小管9本の中心子が最も多く観察され、7~11本に分布していたが、2種の発現株では、分布が微小管数の少ない方にシフトしており6~10本に分布し、微小管8本の中心子が最も多かった。さらに、架橋構造がbld12に比べて10%程度短くなっていた。これらのことから、短いBld10pの発現により、微小管間の距離が短くなり、中心子の対称性が小さい方にシフトしたと考えられる。

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Teaching Experience

  • 遺伝子工学実験

    2024.6 - Now   Institution:中央大学理工学部生命科学科

Media Coverage

  • 法政大など、細胞内小器官「中心子」が作られる仕組み解明−「水頭症」の治療に道 Newspaper, magazine

    日刊工業新聞  2016.3

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