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Study on the energy transfer and dissipation in chemically modified photosynthetic supramolecular complexes

Research Project

Project/Area Number 17KK0106
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research)

Allocation TypeMulti-year Fund
Research Field Bio-related chemistry
Research InstitutionKindai University

Principal Investigator

Saga Yoshitaka  近畿大学, 理工学部, 教授 (60411576)

Project Period (FY) 2018 – 2019
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Keywords光合成 / エネルギー移動 / エネルギー散逸 / 光捕集 / 励起エネルギー移動 / 光保護作用 / クロロフィル / カロテノイド / 光保護機能
Outline of Final Research Achievements

Photosynthetic antenna supramolecular complexes have light-harvesting functions and dissipation of excess energy for efficient photosynthetic functions. Modification of photosynthetic antenna supramolecular complexes provides insight into understanding such photo-functions. From this viewpoint, international collaboration research on photosynthetic antenna supramolecular complexes has been performed. Some chlorophylls and carotenoids, which play important roles in the photo-functions, were reconstituted into photosynthetic antenna supramolecular complexes, and the properties of the supramolecular complexes obtained were analyzed.

Academic Significance and Societal Importance of the Research Achievements

光合成アンテナ超分子複合体の高効率の光捕集・励起エネルギー移動と過剰エネルギーの散逸による光保護機能の両立というインテリジェンス機能の理解は光生命化学の発展に寄与するとともに、人工的な光エネルギー変換システムを開発するうえで有用な情報を与えうると考えられる。光合成アンテナ超分子複合体の化学的改変がこのような機能の理解に有用な情報を与えることを示したことが本研究の学術的意義と考える。また、自然界の優れた光エネルギー変換システムである光合成アンテナ超分子複合体の化学的改変は、太陽光エネルギー分野への波及効果もあると考えられる。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • Research Products

    (3 results)

All 2019 2018

All Int'l Joint Research (1 results) Presentation (2 results) (of which Int'l Joint Research: 2 results)

  • [Int'l Joint Research] アムステルダム自由大学(オランダ)2018

    • Related Report
      2019 Annual Research Report
  • [Presentation] LHCII with far red absorption: yes we can2019

    • Author(s)
      Eduard Elias, Yoshitaka Saga, Nicoletta Liguori, Roberta Croce
    • Organizer
      International Congress on Biophysics of Photosynthesis
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] LHCII with far red absorption: yes we can2019

    • Author(s)
      Eduard Elias, Nicoletta Liguori, Yoshitaka Saga, Roberta Croce
    • Organizer
      Dutch Biophysics 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research

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Published: 2018-01-25   Modified: 2021-02-19  

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