Updated on 2024/03/26

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SAITO Akihiro

Assistant Professor

Title

Assistant Professor

External Link

From Graduate School 【 display / non-display

  • Tokyo University of Agriculture   Graduate School, Division of Agriculture   Department of Agricultural Chemistry   Doctoral program (second term)   Completed

    - 2009.03

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    Country:Japan

Studying abroad experiences 【 display / non-display

  • 2019.04 - 2020.03   French National Institute for Agricultural Research (INRA/INRAE), BPMP(Biochimie et physiologie moléculaire des plantes), Montpellier, France   Research on iron nutrition of higher plants

Degree 【 display / non-display

  • Ph.D. (Agricultural Chemistry) ( 2009.03   Tokyo University of Agriculture )

Employment Record in Research 【 display / non-display

  • Tokyo University of Agriculture   Faculty of Applied Bio-Science   Department of Applied Biology and Chemistry   Assistant Professor

    2011.04 - 2018.03

  • Tokyo University of Agriculture   Faculty of Applied Bio-Science   Department of Agricultural Chemistry   Assistant Professor

    2018.04 - 2019.03

  • Tokyo University of Agriculture   Faculty of Applied Bio-Science   Department of Agricultural Chemistry   Invited Researcher, French National Research Institute for Agriculture, Food and Environment (INRA/INRAE) Montpellier, France

    2019.04 - 2020.03

  • Tokyo University of Agriculture   Faculty of Applied Bio-Science   Department of Agricultural Chemistry   Assistant Professor

    2020.04

External Career 【 display / non-display

  • Institut national de la recherche agronomique (INRA/INRAE)   Biochimie et physiologie moléculaire des plantes (B&PMP), Montpellier   Researcher

    2019.04 - 2020.03

  • The University of Tokyo   Graduate School of Agricultural and Life Sciences   Researcher

    2010.04 - 2011.03

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    Country:Japan

  • Waseda University   Faculty of Education and Integrated Science   Postdoctoral Fellowships of Japan Society for the Promotion of Science

    2009.10 - 2010.03

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    Country:Japan

  • The University of Tokyo   Graduate School of Frontier Sciences   Postdoctoral Fellowships of Japan Society for the Promotion of Science

    2009.04 - 2009.09

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    Country:Japan

Professional Memberships 【 display / non-display

  • Japanese Society of Soil Science and Plant Nutrition

    2004.06

  • The Japanese Society of Plant Physiologists

    2005.01

  • The Botanical Society of Japan

    2009.04

  • The Japanese Society of Photosynthesis Research

    2009.04

  • International Society of Photosynthesis Research

    2010.03

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Research Areas 【 display / non-display

  • Others / Others  / 植物栄養学・土壌学

Research Interests 【 display / non-display

  • Plant Nutrition

  • Photosynthesis

  • Chloroplast

  • Mitochondria

  • Vacuole

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Research seeds 【 display / non-display

  • 「栄養強化イネ」 品種の突然変異育種

Papers 【 display / non-display

  • Absorption and Transport of Phosphorus in Nodulated Soybean Plants and Diagnosis of Phosphorus Status Using Xylem Sap Analysis Reviewed

    Yoshiaki Yamamura, Kyoko Higuchi, Akihiro Saito and Takuji Ohyama

    Agriculture   14 ( inpress )   2024.03

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

  • Barley cultivar Sarab 1 has a characteristic region of the thylakoid membrane and protects photosystem I under the iron-deficient condition Reviewed International journal

    Akihiro Saito; Kimika Hoshi; Takumi Togashi; Yuna Wakabayashi; Tomoki Shigematsu; Maya Katori; Takuji Ohyama; Kyoko Higuchi

    Plants   12 ( 11 )   2111   2023.05

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

    DOI: https://doi.org/10.3390/plants12112111

  • Nitrogen metabolism in non-nodulated and nodulated soybean plants related to ureide synthesis. Reviewed International journal

    Takuji Ohyama, Kahori Matsumoto, Haruka Goto, Akihiro Saito, Kyoko Higuchi

    Nitrogen   4 ( 2 )   209 - 222   2023.05

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

    DOI: https://doi.org/10.3390/nitrogen4020014

  • Development of an N-Free Culture Solution for Cultivation of Nodulated Soybean with Less pH Fluctuation by the Addition of Potassium Bicarbonate Reviewed International journal

    Takuji Ohyama, Koyo Takayama, Ayaka Akagi, Akihiro Saito, Kyoko Higuchi andTakashi Sato

    Agriculture   13 ( 3 )   739   2023.03

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

    DOI: https://doi.org/10.3390/agriculture13030739

  • Effects of Nodulation on Metabolite Concentrations in Xylem Sap and in the Organs of Soybean Plants Supplied with Different N Forms Reviewed International journal

    Takuji Ohyama, Miyuki Isaka, Akihiro Saito and Kyoko Higuchi

    Metabolites   13 ( 3 )   319   2023.02

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

    DOI: https://doi.org/10.3390/metabo13030319

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Misc 【 display / non-display

  • Elucidation of efficient photosynthesis in plants with limited iron Invited Reviewed

    Kyoko Higuchi and Akihiro Saito

    Soil Science and Plant Nutrition   2022.07

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    Authorship:Lead author   Language:English   Publishing type:Article, review, commentary, editorial, etc. (bulletin of university, research institution)  

    DOI: 10.1080/00380768.2022.2106115

Honours, Awards and Prizes 【 display / non-display

  • Poster Award (ICOBTE 2015 FUKUOKA)

    2015.07   International Conference on the Biogeochemistry of Trace Elements  

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    Award type:International academic award (Japan or overseas)  Country:Japan

  • Poster Award, JSSSPN 2013 (Nagoya University)

    2013.09   Japanese Society of Soil Science and Plant Nutrition  

    Akihiro Saito, Katsuki Kato, Tomomi Nakajima, Eitaro Miwa, Kyoko Higuchi

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    Award type:International academic award (Japan or overseas)  Country:Japan

  • Poster Award, JSSSPN 2009 (Kyoto University)

    2009.09   Japanese Society of Soil Science and Plant Nutrition  

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

Scientific Research Funds Acquisition Results 【 display / non-display

  • 鉄欠乏耐性植物の新規「光化学系の超分子複合体」の機能・構造の解明とその応用

    2024.04 - 2027.03

    科学研究費助成事業  基盤研究(B)

    齋藤彰宏

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    Authorship:Principal investigator 

  • 可塑性に富むオオムギ光化学系の多様な鉄欠乏順応機構の解明

    2020.04 - 2023.03

    科学研究費補助金  基盤研究(B)

    樋口恭子

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    Authorship:Coinvestigator(s) 

  • 重金属過剰で誘導されるミトコンドリア選択的オートファジーの分子機構

    2016.04 - 2019.03

    科学研究費補助金  若手研究(B)

    齋藤彰宏

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    Authorship:Principal investigator 

  • 基幹的代謝の最適化に基づくオオムギの鉄欠乏適応機構の解明

    2013.04 - 2015.03

    科学研究費補助金  基盤研究(B)

    樋口恭子

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    Authorship:Coinvestigator(s) 

  • 集光機能の改良に基づく無機栄養ストレス耐性作物の創出

    2012.04 - 2014.03

    科学研究費補助金  若手研究(B)

    齋藤彰宏

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    Authorship:Principal investigator 

    鉄は葉緑体の電子伝達系の構成因子であり、安定した光合成を可能にする。仮に鉄が長期的に欠乏すると、葉緑体の電子伝達が異常となり、最終的に光酸化ストレスによって細胞死が起こる。本研究では、鉄欠乏オオムギの光合成機能の最適化を担う必須因子HvLhcb1.12に着目した。HvLhcb1.12は集光性アンテナタンパク質の一種であるが、そのN末端側には多数のリン酸化部位が存在する。本遺伝子をイネに導入した結果、過剰光条件下での収量が野生型のイネより約25%増加し、光酸化ストレスの回避に貢献することが示された。

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Other External Funds 【 display / non-display

  • 高タンパク質かつ良食味米の育種およびその評価に関する研究

    2024 - 2026

    医食同源生薬研究財団  医食同源生薬研究財団研究助成 

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    Authorship:Coinvestigator(s)  Grant type:Collaborative (industry/university)

  • 良食味化・多収化を目指した「鉄栄養強化イネ」 新品種の効率的育種と高品質多収栽培法の確立

    2021.12 - 2025.03

    東京農業大学 

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    Authorship:Principal investigator  Grant type:Competitive

  • Development and practical application of a new "nutritionally enhanced rice" to improve the nutritional metabolism of modern humans - Development of a unique brand of rice from Tokyo University of Agriculture-

    2018.06 - 2020.03

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    Grant type:Competitive

  • Establishment of rice lines with the abilities to improve heavy metal contamination in soils

    2013.04 - 2015.03

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    Authorship:Principal investigator  Grant type:Competitive

Past of Commissioned Research 【 display / non-display

  • 企業の研究支援(複数)

    2018.04 - 2019.03

    一般受託研究  The General Consignment Study

Past of Cooperative Research 【 display / non-display

  • Joint research with NARO

    2017.04

    Cooperative Research within an Affiliated University or Institute  Cooperative Research within an Affiliated University or Institute

Presentations 【 display / non-display

  • Comparison of protein composition on thylakoid membranes under iron-sufficient and deficient conditions between two barley cultivars ‘Sarab-1’ and ‘Ehimehadaka-1’ International conference

    〇Tomoki Shigematsu, Akihiro Saito, Yusuke Shikanai, Kyoko Higuchi

    The 65th Annual Meeting of the Japanese Society of Plant Physiologists  2024.03 

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    Event date: 2024.03

    Language:English   Presentation type:Poster presentation  

  • Low-temperature fluorescence emission spectra of PSI were blue-shifted in various barley varieties grown under iron-deficient conditions

    〇Takehiro Kobayashi, Akihiro Saito, Yusuke Shikanai, Kyoko Higuchi

    The 65th Annual Meeting of the Japanese Society of Plant Physiologists  2024.03 

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    Event date: 2024.03

    Language:English   Presentation type:Poster presentation  

  • Characterization of putative PSI-PSII megacomplexes separated by Clear Native-PAGE from Fe-deficient barley leaves International conference

    Akihiro Saito, 〇Kai Nakano, Ryoko Yamada, Yusuke Shikanai, Kyoko Higuchi

    The 65th Annual Meeting of the Japanese Society of Plant Physiologists  2024.03 

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    Event date: 2024.03

  • 鉄分を増強したイネ系統の高収量化と良食味化を目指した改良

    〇齋藤彰宏・今野彩音・下川莉奈・菅野諒真・鹿内勇佑・樋口恭子

    日本土壌肥料学会関東支部大会(東京農大・東京)  2023.11 

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    Event date: 2023.11

  • 高pH水耕液におけるオオムギ根伸長の品種間比較

    〇樋口恭子・伊藤千紘・武藤みのり・鹿内勇佑・齋藤彰宏

    日本土壌肥料学会関東支部大会(東京農大・東京)  2023.11  日本土壌肥料学会

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    Event date: 2023.11

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Teaching Experience 【 display / non-display

  • 細胞生物学

  • 卒業論文

  • 無機化学(一)

  • 分析化学実験

  • 研究室演習(一)

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Committee Memberships 【 display / non-display

  • 日本土壌肥料学会   2023年度日本土壌肥料学会関東支部大会運営委員  

    2022.09 - 2023.12   

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    Committee type:Academic society

  • Japanese Society of Soil Science and Plant Nutrition   Steering Committee Member of the 68th Japanese Society of Soil Science and Plant Nutrition  

    2021.04 - 2022.09   

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    Committee type:Academic society

  • Japanese Society of Soil Science and Plant Nutrition   Management Committee for the 2018 election  

    2018.04 - 2019.03   

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    Committee type:Academic society

  • The Japanese Society of Plant Physiologists   Steering Committee Member, The 56th Annual Meeting of the Japanese Society of Plant Physiologists  

    2014.04 - 2015.03   

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    Committee type:Academic society

Social Activities 【 display / non-display

  • Lecture to students at Yamawaki Gakuen Junior and Senior High School

    Role(s): Lecturer, Official expert, Logistic support

    2023.12

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    Audience: Junior students, High school students, Guardians

    Lecture on plant nutrient physiology in the style of a university lecture and introduction of the latest research

  • Lecture at Shiraume Gakuen High School

    Role(s): Lecturer, Official expert

    2023.09

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    Audience: High school students

    Type:Visiting lecture

    Lectures on plant nutrient physiology in the style of university lectures and introduction of the latest research

  • Lecture to students at Nebraska State University   

    Role(s): Lecturer, Official expert

    2023.06

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    Audience: College students

    Type:Visiting lecture

    Introducing the latest research on plant iron nutrition and case studies of proposed improvements to the currentissue of iron deficiency anemia of human in the world.

  • The 12th Seminar of the "Section of three aspects of rice as 'Ine' (cultivated rice), 'Kome' (harvested rice), and 'Gohan' (cooked rice) "

    Role(s): Lecturer, Consultant, Official expert, Logistic support, Performer

    Research Institute of Agricultural Life Science in TUA  2023.02

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    Audience: High school students, College students, Graduate students, Teachers, Guardians, Researchesrs, General, Scientific, Company, Civic organization, Governmental agency, Media

    Type:Lecture

  • The 10th Seminar of the "Section of three aspects of rice as 'Ine' (cultivated rice), 'Kome' (harvested rice), and 'Gohan' (cooked rice) "

    Research Institute of Agricultural Life Science in TUA  2021.09

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    Audience: College students, Graduate students, Teachers, Researchesrs, General, Scientific, Company, Civic organization, Governmental agency, Media

    Type:Seminar, workshop

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Academic Activities 【 display / non-display

  • "Agricultural chemistry-from the beginning to the future", the museum of Tokyo University of Agriculture

    2018.09 - 2019.08

  • 110th Anniversary Kickoff Symposium on Department of Agricultural Chemistry, TUA

    2018.03

Basic stance of industry-university cooperation 【 display / non-display

  • To make our new research results available to society, we need to work with companies to promote commercialization with the cooperation of the government. I am of the position that industry-academia collaboration is critical.

Attractiveness of Research 【 display / non-display

  • 私達の生活は植物(光合成生物)によって支えられています。私たちは、不良環境でも光合成を続けられる新しい植物の提案や開発を目指し、植物の環境適応能力を幅広く調べています。植物の研究に意欲のある学生の皆さん、ぜひ一緒に研究をしましょう。