Updated on 2025/06/28

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TOYOSHIMA Hiroki

Assistant Professor

Title

Assistant Professor

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Degree 【 display / non-display

  • Doctor (Bioscience) ( 2021.03   Tokyo University of Agriculture )

  • 修士(バイオサイエンス) ( 2018.03   東京農業大学 )

Employment Record in Research 【 display / non-display

  • Tokyo University of Agriculture   Faculty of Life Sciences   Department of Molecular Microbiology   Assistant Professor

    2022.04

External Career 【 display / non-display

  • Tokyo Women's Medical University   Researcher

    2021.04 - 2022.03

Papers 【 display / non-display

  • Microalgal AstaP is a natural solubilizer of astaxanthin with broad binding ability for carotenoids and related compounds Reviewed International journal

    Shinji Kawasaki, Tamaki Mitsui, Kohei Omori, Takumi Tsuboya, Adam Bader, Hiroki Toyoshima, Shinichi Takaichi

    Algal Research   70   102982   2023.01

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

    DOI: https://doi.org/10.1016/j.algal.2023.102982

  • Distribution of the Water-Soluble Astaxanthin Binding Carotenoprotein (AstaP) in Scenedesmaceae. Reviewed International journal

    Hiroki Toyoshima, Ami Miyata, Risako Yoshida, Taichiro Ishige, Shinichi Takaichi, Shinji Kawasaki

    Marine Drugs   19 ( 6 )   349   2021.06

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

    DOI: https://doi.org/10.3390/md19060349

  • Novel strategies for protecting against photooxidative stress in green microalgae isolated from a severe growth environment Reviewed

    TOYOSHIMA Hiroki

    2021.03

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    Language:Japanese   Publishing type:Doctoral thesis  

  • Photooxidative stress-inducible orange and pink water-soluble astaxanthin-binding proteins in eukaryotic microalga. Reviewed International journal

    Shinji Kawasaki, Keita Yamazaki, Tohya Nishikata, Taichiro Ishige, Hiroki Toyoshima and Ami Miyata

    Communications biology   3 ( 1 )   1 - 9   2020.09

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

    DOI: https://doi.org/10.1038/s42003-020-01206-7

  • Water-soluble astaxanthin-binding protein (AstaP) from Coelastrella astaxanthina Ki-4 (Scenedesmaceae) involving in photo-oxidative stress tolerance. Reviewed International journal

    Hiroki Toyoshima, Shinichi Takaichi, Shinji Kawasaki

    Algal Research   50   101988   2020.09

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

    DOI: https://doi.org/10.1016/j.algal.2020.101988

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Books and Other Publications 【 display / non-display

  • Carotenoid Science: Fundamental and Novel Studies, and Biological Functions

    Shinji KAWASAKI, Shinichi TAKAICHI, Hiroki TOYOSHIMA( Role: Joint author)

    2024.03  ( ISBN:978-4-7813-1798-4

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    Total pages:275   Responsible for pages:82-92   Language:Japanese   Book type:Scholarly book

Misc 【 display / non-display

  • 細胞培養が切り開く食の未来 (細胞培養の食への応用) Invited

    豊島 拓樹, 清水 達也

    The Takasago times   188   27 - 30   2021.11

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    Authorship:Lead author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (other)  

Scientific Research Funds Acquisition Results 【 display / non-display

  • 高度なストレス耐性能を有する微細藻類の新規な光酸化ストレス防御機構の解明

    Grant number:24K18144  2024.04 - 2027.03

    若手研究

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    Authorship:Principal investigator 

  • 過酷な生育環境に生存する微細藻類の新奇な光酸化ストレス防御機構の解析

    Grant number:22K20657  2022.08 - 2024.03

    研究活動スタート支援

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    Authorship:Principal investigator 

Presentations 【 display / non-display

  • Physiological characterization of a microalga exhibiting high tolerance to photooxidative stress International conference

    Hiroki Toyoshima, Tamaki Mitsui, Shinji Kawasaki

    International conference on Algal Biomass, Biofuels and Bioproducts (AlgalBBB 2025)  2025.06 

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    Event date: 2025.06

    Language:English   Presentation type:Oral presentation (general)  

  • Identification and utilization of unique photooxidative stress defense mechanisms​ in microalgae thriving in extreme environments​ International conference

    Tamaki Mitsui, Hiroki Toyoshima, Shinji Kawasaki

    International conference on Algal Biomass, Biofuels and Bioproducts (AlgalBBB 2025)  2025.06 

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    Event date: 2025.06

    Language:English   Presentation type:Poster presentation  

  • Unique strategies for photooxidative stress tolerance in microalgae surviving extreme environments

    2025.06 

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    Event date: 2025.06

    Language:English   Presentation type:Poster presentation  

  • 過酷な生育環境から単離した微細藻類カルチャーコレクションの系統分類とストレス耐性機構の解析

    豊島拓樹、三井珠來、本松秀夢、小濱元、藁谷帆乃花、玉井一輝、鈴木渓太郎、渡部陽向、川﨑信治

    日本藻類学会第49回大会  2025.03 

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    Event date: 2025.03

    Presentation type:Oral presentation (general)  

  • 強光照射スクリーニングで単離した微細藻類の系統分類と防御機構の解析

    本松秀夢、豊島拓樹、川﨑信治

    日本藻類学会第49回大会  2025.03 

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    Event date: 2025.03

    Presentation type:Poster presentation  

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