Updated on 2021/05/27

写真a

 
Yuichiro Kashiyama
 

Degree

  • Bachelor of Science   Coursework ( 1999.3   The University of Tokyo )

  • Master of Science   Coursework ( 2001.12   University of Rhode Island )

  • Ph.D. (Science)   Coursework ( 2007.3   The University of Tokyo )

Research Areas

  • Life Science / Ecology and environment

  • Natural Science / Space and planetary sciences

  • Nanotechnology/Materials / Chemistry and chemical methodology of biomolecules

  • Life Science / Molecular biology

Education

  • The University of Tokyo   Department of Geology   Graduated

    1994.4 - 1999.3

  • University of Rhode Island   College of the Environment and life Sciences   Department of Geosciences   Master's Course   Completed

    1999.9 - 2001.12

  • The University of Tokyo   Department of Earth and Planetary Science   Doctor's Course   Completed

    2004.4 - 2007.3

Research History

  • Fukui University of Technology   Professor

    2016.4

  • The University of Tokyo   Special researcher of the Japan Society for the Promotion of Science

    2006.4 - 2008.3

  • JAMSTEC   Special researcher of the Japan Society for the Promotion of Science

    2008.4 - 2010.3

  • University of Tsukuba   Special researcher of the Japan Society for the Promotion of Science

    2010.4 - 2011.3

  • Ritsumeikan University   Ritsumeikan Global Innovation Research Organization   Researcher

    2011.4 - 2012.9

  • Japan Science and Technology Agency   PRESTO "Creation of Basic Technology for Improved Bioenergy Production through Functional Analysis and Regulation of Algae and Other Aquatic Microorganisms"   PRESTO Researcher

    2012.10 - 2013.3

  • Japan Science and Technology Agency   PRESTO "Creation of Basic Technology for Improved Bioenergy Production through Functional Analysis and Regulation of Algae and Other Aquatic Microorganisms"   PRESTO Researcher

    2013.4 - 2014.3

  • Fukui University of Technology   Lecturer

    2013.4 - 2015.3

  • Fukui University of Technology   Lecturer

    2013.4

  • Fukui University of Technology   Lecturer

    2013.4

  • Fukui University of Technology   Associate Professor

    2015.4 - 2016.3

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Professional Memberships

  • Palaeontological Society of Japan

    1999.12

  • The Japan Association of Organic Geochemists

    2005.6

  • The Japanese Association for Photosynthesis Research

    2008.5

  • Japan Geoscience Union

    2008.12

  • The Japanese Society of Phycology

    2010.3

  • International Society of Protistologists

    2012.1

  • The Chemical Society of Japan

    2013.1

  • Japanese Society of Microbial Ecology

    2013.8

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Studying abroad experiences

  • 1999.9 - 2003.8   University of Rhode Island   Master Course Student, Docter Course Student

 

Papers

  • Bacterium lacking a known gene for retinal biosynthesis constructs functional rhodopsins Reviewed

    Yu Nakajima, Keiichi Kojima, Yuichiro Kashiyama, Satoko Doi, Ryosuke Nakai, Yuki Sudo, Kazuhiro Kogure, Susumu Yoshizawa

    Microbes and Environments   35 ( 4 )   ME20085   2020.12

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    既知のレチナール合成酵素を持たないがロドプシン遺伝子を有するバクテリアについて,レチナールの自家での生合成とロドプシンの機能を生化学的に証明した。

  • A non-photosynthetic green alga illuminates the reductive evolution of plastid electron transport systems Reviewed

    Motoki Kayama, Jun-Feng Chen, Takashi Nakada, Yoshiki Nishimura, Toshiharu Shikanai, Tomonori Azuma, Hideaki Miyashita, Shinichi Takaichi, Yuichiro Kashiyama, Ryoma Kamikawa

    BMC Biology   18   126   2020.9

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    自由生活型の無色緑藻が保持している非光合成色素体の色素体ゲノムを解読し,その機能を推定すると共に,色素体内での酸化還元反応に関連する因子の生化学的解析を行った。

  • Inventory and Evolution of Mitochondrion-localized Family A DNA Polymerases in Euglenozoa Reviewed

    Ryo Harada, Yoshihisa Hirakawa, Akinori Yabuki, Yuichiro Kashiyama, Moe Maruyama, Ryo Onuma, Petr Soukal, Shinya Miyagishima, Vladimir Hampl, Goro Tanifuji, Yuji Inagaki

    Pathogens   9 ( 4 )   257   2020.4

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    ユーグレノゾア生物におけるミトコンドリア局在のDNAポリメラーゼの進化に関する論文。

  • Comparative plastid genomics of cryptomonas species reveals fine-scale genomic responses to loss of photosynthesis Reviewed

    Goro Tanifuji, Ryoma Kamikawa, Christa E. Moore, Tyler Mills, Naoko T. Onodera, Yuichiro Kashiyama, John M. Archibald, Yuji Inagaki, and Tetsuo Hashimoto

    Genome Biology and Evolution   12 ( 2 )   3926 - 3937   2020.1

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    光合成能を喪失して従属栄養生物として進化したクリプト藻のゲノム解析から,プラスチド関連遺伝子の選択的な保存を報告・論じた。

  • Taming chlorophylls by early eukaryotes underpinned algal interactions and the diversification of the eukaryotes on the oxygenated Earth Reviewed

    Yuichiro Kashiyama, Akiko Yokoyama, Takashi Shiratori, Sebastian Hess, Fabrice Not, Charles Bachy, Andres Gutierrez-Rodriguez, Jun Kawahara, Toshinobu Suzaki, Masami Nakazawa, Takahiro Ishikawa, Moe Maruyama, Mengyun Wang, Man Chen, Yingchun Gong, Kensuke Seto, Maiko Kagami, Yoko Hamamoto, Daiske Honda, Takahiro Umetani, Akira Shihongi, Motoki Kayama, Toshiki Matsuda, Junya Taira, Akinori Yabuki, Masashi Tsuchiya, Yoshihisa Hirakawa, Akane Kawaguchi, Mami Nomura, Atsushi Nakamura, Noriaki Namba, Mitsufumi Matsumoto, Tsuyoshi Tanaka, Tomoko Yoshino, Rina Higuchi, Akihiro Yamamoto, Tadanobu Maruyama, Aika Yamaguchi, Akihiro Uzuka, Shinya Miyagishima, Goro Tanifuji, Masanobu Kawachi, Yusuke Kinoshita & Hitoshi Tamiaki

    The ISME Journal   13   1899 - 1910   2019.2

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    光合成が生態系に重要な役割にある一方で,光合成色素であるクロロフィルは危険な活性酸素の発生源となる負の側面を有する(=クロロフィルの光毒性)。本研究では光合成微生物を捕食する広範な微生物が,クロロフィルを無害化する仕組みを有することを明らかにした。この仕組みは,初期の真核生物において確立し,その後の酸素に満ちた地球環境で,「藻類食」生物として真核生物の大繁栄を導き,現在の多様な藻類の誕生にも大きく関わったと考えられる。

  • Taming chlorophylls by early eukaryotes underpinned algal interactions and the diversification of the eukaryotes on the oxygenated Earth Reviewed

    Yuichiro Kashiyama, Akiko Yokoyama, Takashi Shiratori, Sebastian Hess, Fabrice Not, Charles Bachy, Andres Gutierrez-Rodriguez, Jun Kawahara, Toshinobu Suzaki, Masami Nakazawa, Takahiro Ishikawa, Moe Maruyama, Mengyun Wang, Man Chen, Yingchun Gong, Kensuke Seto, Maiko Kagami, Yoko Hamamoto, Daiske Honda, Takahiro Umetani, Akira Shihongi, Motoki Kayama, Toshiki Matsuda, Junya Taira, Akinori Yabuki, Masashi Tsuchiya, Yoshihisa Hirakawa, Akane Kawaguchi, Mami Nomura, Atsushi Nakamura, Noriaki Namba, Mitsufumi Matsumoto, Tsuyoshi Tanaka, Tomoko Yoshino, Rina Higuchi, Akihiro Yamamoto, Tadanobu Maruyama, Aika Yamaguchi, Akihiro Uzuka, Shinya Miyagishima, Goro Tanifuji, Masanobu Kawachi, Yusuke Kinoshita & Hitoshi Tamiaki

    The ISME Journal   13   1899 - 1910   2019.2

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    光合成が生態系に重要な役割にある一方で,光合成色素であるクロロフィルは危険な活性酸素の発生源となる負の側面を有する(=クロロフィルの光毒性)。本研究では光合成微生物を捕食する広範な微生物が,クロロフィルを無害化する仕組みを有することを明らかにした。この仕組みは,初期の真核生物において確立し,その後の酸素に満ちた地球環境で,「藻類食」生物として真核生物の大繁栄を導き,現在の多様な藻類の誕生にも大きく関わったと考えられる。

  • Ultrafast excited state dynamics of nonfluorescent cyclopheophorbide-a enol, a catabolite of chlorophyll-a detoxified in algae-feeding aquatic microbes Reviewed

    Chikashi Ota, Keita Sugihara, Yusuke Kinoshita, Yuichiro Kashiyama, Yutaka Nagasawa and Hitoshi Tamiaki

    Photochemical & Photobiological Sciences   doi: 10.1039/c8pp00173a   2018.9

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    CPEの無蛍光性を理解すべく,高速時間分光解析に基づいてこの分子の光化学的な特性を調べ,報告した。

  • In vivo and in vitro preparation of divinyl-13(2),17(3)-cyclopheophorbide-a enol Reviewed

    Yusuke Kinoshita, Motoki Kayama, Yuichiro Kashiyama, Hitoshi Tamiaki

    Bioorganic & Medicinal Chemistry Letters   28   1090 - 1092   2018.2

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    ピコシアノバクテリアが特異的に産生するジビニルクロロフィル類のCPE代謝産物を同定し,その化学的性質を報告した。

  • Successful management of the phototoxicity of chlorophylls had lead the evolutionary successes in Earth's illuminated surface environments Invited Reviewed

    Yuichiro Kashiyama, Akiko Yokoyama, Hitoshi Tamiaki

    News Letter of the Japanese Society of Photosynthesis Research   25 ( 1 )   58 - 70   2015.4

  • Complete genome of a non-photosynthetic cyanobacterium in a rhopalodiacean diatom: Insight into bacterium-eukaryote endosymbiosis Reviewed

    T. Nakayama*, R. Kamikawa, G. Tanifuji, Y. Kashiyama, N. Ohkouchi, J.M. Archibald, Y. Inagaki

    Proceedings of the National Academy of Sciences of the United States of America   111   11407 - 11412   2014.7

  • Risk management of organisms against the phototoxicity of chlorophylls Invited Reviewed

    Y. Kashiyama, H. Tamiaki

    Chemistry Letters   43   148 - 156   2014.1

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    クロロフィルの光毒性に関して,真核生物がどのような生化学的戦略をとっているかに関する最新の研究をレビューを行った。すなわち,シロイヌナズナなど陸上植物の枯葉に伴うクロロフィルの無色・無蛍光の誘導体への精密・丁寧な代謝分解と,水圏生物の微細藻類補食に伴う有色・無蛍光誘導体への迅速な代謝を比較し,リスク管理の観点からプロセスの進化を論じた。

  • 132,173-Cyclopheophorbide b enol as a catabolite of chlorophyll b in phycophagy by protists Reviewed

    Y. Kashiyama, A. Yokoyama, T. Shiratori, I. Inouye, Y. Kinoshita, T. Mizoguchi, H. Tamiaki

    FEBS Letters   587   2578 - 2583   2013.8

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    プロティストの藻類捕食にともない,クロロフィルがクロロフィルと同様な代謝反応により分解され,シクロフェオフォイルバイドエノールを生じることを示した。

  • Ubiquity and quantitative significance of detoxification catabolism of chlorophyll associated with protistan herbivory Reviewed

    Y. Kashiyama, A.Yokoyama, Y.Kinoshita, S. Shoji, H. Miyashita, T. Shiratori, H. Suga, K. Ishikawa, A. Ishikawa, A. Ishikawa, I. Inouye, K. Ishida, D. Fujinuma, K. Aoki, M. Kobayashi, S. Nomoto, T. Mizoguchi, H. Tamiaki

    Proceedings of the National Academy of Sciences of the United States of America   109 ( 43 )   17328 - 17335   2012.10

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    水圏環境のプロティストによるクロロフィル類の解毒代謝機構を発見し,さらに地球科学的アプローチから,その量的重要性(特にピコ藻類捕食者として)を世界で初めて示した。

  • High-resolution lithostratigraphy and organic carbon isotope stratigraphy of the Lower Triassic pelagic sequence in central Japan Reviewed

    H. Sakuma, R. Tada, M. Ikeda, Y. Kashiyama, N. Ohkouchi, N.O. Ogawa, S. Watanabe, E. Tajika, S. Yamamoto

    Island Arc   21 ( 2 )   79 - 100   2012.6

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    遠洋域で形成された堆積岩の記録,特に含まれる有機炭素の安定同位体組成の揺らぎに基づいて,中生代初期の不安定な地球環境を論じた。

  • Impact of the evolution of carbonate ballasts on marine biogeochemistry in the Mesozoic and associated changes in energy delivery to subsurface waters Reviewed

    Y. Kashiyama, K. Ozaki, E. Tajika

    Paleontological Research   15 ( 2 )   89 - 99   2011.6

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    大気から炭酸塩としてCO2を除去する機構には有殻プロティストの存在が重要であり,これらプロティストの中生代における進化が現在の地球表層環境をもたらしたことを論じた。

  • Taphonomy of fossil porphyrins: To understand the past molecular isotopic signals Invited Reviewed

    Y. Kashiyama

    Research in Organic Geochemistry   26   39 - 71   2010.12

  • Implications for chloro- and pheopigment synthesis and preservation from combined compound-specific δ13C, δ15N, and Δ14C analysis Reviewed

    Kusch, Y. Kashiyama, N.O. Ogawa, M. Altabet, M. Butzin, J. Friedrich, N. Ohkouchi, G. Mollenhauer

    Biogeosciences   7 ( 12 )   1 - 14   2010.12

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    黒海の海底の表層堆積物に関して,藻類の生産するクロロフィル分子に由来する化合物の炭素14年代と窒素の安定同位体組成に基づいて,有機物の埋積過程を論じた。

  • The First Experimental Demonstration of Side Chain Extension of Geoporphyrins in Sediments Reviewed

    K. Asahina, J. Asano, G. Kumagai, M. Satou, K. Nomoto, Y. Kashiyama, H. Mita, S. Nomoto

    Chemistry Letters   39   1267 - 1269   2010.11

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    地層中に残されたクロロフィルの分子化石である化石ポルフィリンの,テトラピロール環周辺官能基の熱続成作用による変化を実験的に示した。

  • Tracking aquatic change using chlorin-specific carbon and nitrogen isotopes: The last glacial-interglacial transition at Lake Suigetsu, Japan Reviewed

    J. Tyler, Y. Kashiyama, N. Ohkouchi, N. Ogawa, Y. Yokoyama, Y. Chikaraishi, R.A. Staff, M. Ikehara, C. Bronk Ramsey, C. Bryant, F. Brock, K. Gotanda, T. Haraguchi, H. Yonenobu, T. Nakagawa, Suigetsu 2006 Project Members

    Geochemistry, Geophysics, Geosystems   11   Q09010   2010.9

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    福井県の三方五湖のうちの水月湖で得られた堆積物コア試料からクロロフィル由来の分子を抽出し,その炭素と窒素の安定同位体組成から,氷河期における気候変動の復元を試みた。

  • Nitrogen and carbon isotopic compositions of copper, nickel, and vanadyl porphyrins in Cretaceous black shales Reviewed

    Y. Kashiyama, N.O. Ogawa, S. Nomoto, H. Kitazato, N. Ohkouchi

    In: N. Ohkouchi, I. Tayasu, K. Koba (eds.) Earth, Life, and Isotopes, Kyoto University Press, Kyoto   313 - 335   2010.8

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    白亜紀の海洋無酸素事変当時に形成された黒色頁岩中に含まれる,様々な金属ポルフィリンを抽出・単離して,その炭素と窒素の安定同位体組成を調べることで,当時の海洋環境や,クロロフィルが化石ポルフィリンとして保存される過程を論じた。

  • Isolation and desalting with cation-exchange chromatography for compound-specific nitrogen isotope analysis of amino acids: application to biogeochemical samples Reviewed

    Y. Takano, Y. Kashiyama, N.O. Ogawa, Y. Chikaraishi, N. Ohkouchi

    Rapid Communications in Mass Spectrometry   24 ( 26 )   2317 - 2323   2010.8

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    アミノ酸の窒素安定同位体組成を測定するための前処理における同位体分別効果を検討し,同位体組成測定に有効なメソッドの開発を行った。

  • Isotopomers of chlorophyll nuclei: Theory and application Reviewed

    N. Ohkouchi, Y. Chikaraishi, Y. Kashiyama, N.O. Ogawa

    In: N.Ohkouchi, I. Tayasu, K. Koba (eds.) Earth, Life, and Isotopes, Kyoto University Press, Kyoto   271 - 290   2010.8

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    クロロフィルのテトラピロール構造を構成する炭素原子の生化学的な起源を論じ,それぞれの位置の炭素の安定同位体組成の違いが生物の生理を記録する可能性を示唆した。

  • Total synthesis of 17-nor-Deoxophylloerythroetioporphyrin Reviewed

    Nomoto, J. Asano, K. Asahina, H. Mita, Y. Kashiyama

    Bulletin of the Chemical Society of Japan   83 ( 7 )   819 - 821   2010.6

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    クロロフィルcを起源とすると考えられる化石ポルフィリンである17-ノルDPEPの全合成に成功した。

  • Reconstructing the life history of modern and fossil nautiloids based on the nitrogen isotopic composition of shell organic matter and amino acids Reviewed

    Y. Kashiyama, N.O. Ogawa, Y. Chikaraishi, N. Kashiyama, S. Sakai, K. Tanabe, and N. Ohkouchi

    In: K. Tanabe, Y. Shigeta, T. Sasaki, H. Hirano (eds.), Cephalopod-Present and Past   67 - 75   2010.5

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    オウムガイの殻に含まれる有機物の窒素安定同位体組成を,殻の成長方向に順を追って測定する事で,オウムガイの成長にともなう栄養源の変遷の復元を試みた。

  • Determination of aquatic food-web structure based on compound-specific nitrogen isotopic composition of amino acids Reviewed

    Y. Chikaraishi, N.O. Ogawa, Y. Kashiyama, Y. Takano, H. Suga, A. Tomitani, H. Miyashita, H. Kitazato, N. Ohkouchi

    Limnology and Oceanography: Methods   7   740 - 750   2009.1

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    生物の組織を構成するアミノ酸の窒素の安定同位体組成に基づいて,その生物の食物網における栄養段階を指標化する新しい方法論について論じた。

  • Evidence of Global Chlorophyll d Reviewed

    Y. Kashiyama, H. Miyashita, S. Ohkubo, N.O. Ogawa, Y. Chikaraishi, Y. Takano, H. Suga, T. Toyofuku, H. Nomaki, H. Kitazato, T. Nagata, N. Ohkouchi

    Science   321 ( 5889 )   658   2008.8

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    地球化学的アプローチ(海洋・湖沼堆積物の色素バイオマーカー分析)から,クロロフィルd を生産する生物があらゆる水圏環境に分布していることを世界で初めて示した。

  • Reconstruction of the biogeochemistry and ecology of photoautotrophs based on the nitrogen and carbon isotopic compositions of vanadyl porphyrins from Miocene siliceous sediments Reviewed

    Y. Kashiyama, N.O. Ogawa, M. Shiro, R. Tada, H. Kitazato, and N. Ohkouchi

    Biogeosciences   5   797 - 816   2008.5

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    新生代中新世に日本海が形成された当時に,現在の秋田県に開いたトラフ状海盆で形成されたオイルシェール中に含まれる化石ポルフィリンに関して,その炭素と窒素の安定同位体組成から石油根源岩形成環境の復元を試みた。

  • Diazotrophic cyanobacteria as the major photoautotrophs during mid-Cretaceous Oceanic Anoxic Events: nitrogen and carbon isotopic evidence of sedimentary porphyrin Reviewed

    Y. Kashiyama, N.O. Ogawa, J. Kuroda, H. Kitazato, N. Ohkouchi

    Organic Geochemistry   39 ( 5 )   532 - 549   2008.1

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    クロロフィルの分子化石である化石ポルフィリンの窒素と炭素の安定同位体組成から,白亜紀の海洋無酸素事変当時の海洋では,窒素固定シアノバクテリアが重要な基礎生産者であった可能性を論じた。

  • A compound-specific isotope method for measuring the stable nitrogen isotopic composition of tetrapyrroles Reviewed

    Y. Chikaraishi, Y. Kashiyama, N.O. Ogawa, H. Kitazato, M. Satoh, S. Nomoto, N. Ohkouchi

    Organic Geochemistry   39 ( 5 )   510 - 520   2008.1

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    クロロフィルとその誘導体の窒素の安定同位体組成を決定する新しい手法を開発した。

  • HPLC/MS analysis of chloro- and pheo-pigments in algal, plant and sediment samples Reviewed

    Y. Chikaraishi, Y. Kashiyama, N. Ohkouchi

    Researches in Organic Geochemistry   22   43 - 55   2007.12

  • Metabolic control of nitrogen isotope composition of amino acids in macroalgae and gastropods: implications for aquatic food web studies Reviewed

    Y. Chikaraishi, Y. Kashiyama, N.O. Ogawa, H. Kitazato, N. Ohkouchi

    Marine Ecology Progress Series   342   85 - 90   2007.7

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    岩礁地帯における大型藻類と巻き貝の組織に含まれるアミノ酸の窒素安定同位体組成を測定し,グルタミン酸とフェニルアラニンの値の差が生物の栄養段階を定量的に反映することを示した。

  • A novel vanadyl alkylporphyrins from geological samples: a possible derivative of divinylchlorophylls or bacteriochlorophyll a? Reviewed

    Y. Kashiyama, M. Shiro, R. Tada, N. Ohkouchi

    Chemistry Letters   36 ( 6 )   706   2007.6

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    新規化石ポルフィリンの化学構造を決定し,その起源がジビニルクロロフィル類かバクテリオクロロフィルaに求められる可能性を論じた。

  • An improved method for isolation and purification of sedimentary porphyrins by high-performance liquid chromatography for compound-specific isotopic analysis Reviewed

    Y. Kashiyama, H. Kitazato, N. Ohkouchi

    Journal of Chromatograpgy A   1138   73 - 83   2007.1

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    堆積岩中からクロロフィルに起源する有機分子である化石ポルフィリンを抽出し,その分子レベルでの安定同位体組成を測定するための前処理法,特にHPLCのメソッド開発を行った。

  • Reconstruction of biogeochemical environment of the past ocean based on compound-specific carbon and nitrogen isotopic compositions of sedimentary porphyrins.

    Yuichiro Kashiyama

    博士学位論文   2006.12

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    化石ポルフィリンの分子レベル炭素窒素同位体組成にもとづく古海洋環境復元をおこなった。

  • An importance of cyanobacteria as a primary producer during Cretaceous Oceanic Anoxic Event 2 Reviewed

    N. Ohkouchi, Y. Kashiyama, J. Kuroda, N.O. Ogawa, H. Kitazato

    Biogeosciences   3   575 - 605   2006.10

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    イタリアに露出する白亜紀のボナレリ黒色頁岩からDPEPと呼ばれる化石ポルフィリンを単離・精製し,その窒素同位体組成の分析結果から,当時の海洋の一次生産が窒素固定シアノバクテリアに支えられていたという仮説を示した。

  • Stable carbon and nitrogen compositions of photosynthetic pigments as tracers for elemental cycle in the modern- and paleo-environments Reviewed

    N. Ohkouchi, Y. Nakajima, N.O. Ogawa, H. Suga, Y. Kashiyama, K. Matsumoto, Y. Chikaraishi, K. Oguri, H. Kitazato

    Frontier Research on Earth Evolution   2   1 - 4   2006

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    環境中から見つかるクロロフィルの誘導体の炭素と窒素の安定同位体の組成に基づいて現在や過去の海洋環境の物質循環を研究する方法論を論じた。

  • High-resolution analysis of Late Paleozoic - Early Mesozoic variability of paleoceanographic system recorded in bedded chert sequence in the Inner zone Southwest Japan

    R Tada, S Watanabe, E Tajika, T Kato, S Yamamoto, Y Isozaki, H Sakuma

    Journal of Geography   114   638 - 642   2005

  • Low diversity Smithian (Lower Triassic) fauna from northeast Japan: Paleoecologic and paleobiogeographic implications Reviewed

    Y. Kashiyama, T. Oji

    Paleontological Research   8 ( 3 )   199 - 218   2004.9

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    気仙沼・南三陸地域に露出する下部三畳系の堆積岩とそこに含まれる海洋底生生物の化石群集を研究し,ペルム紀末の大量絶滅の後数百万年以上経過した時期においても生物多様性の回復は非常に遅れていたことを示した。

  • Genesis of a locality of Exceptional Fossil Preservation: Paleoenvironments of Tepexi de Rodgriguez (mid-Cretaceous, Puebla, Mexico) Reviewed

    Y. Kashiyama, D.E. Fastovsky,S. Rutherford,J.W. King,M. Montellano

    Cretaceous Research   25 ( 1 )   153 - 177   2004.2

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    メキシコに露出する白亜紀に形成された非常に保存の良い化石を多量に算出する石灰岩に関して,堆積学と統計学の融合的な研究手法によって形成メカニズムを考察した。

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MISC

  • "Detoxification" of chlorophylls by phycophagic protists

    A Yokoyama, Y Kashiyama

    Japanese Journal of Phycology   61   6 - 10   2013.3

  • Preface: evolutionary dynamics of life systems founded on solar energy

    Y Kashiyama, A Yokoyama, T Yuasa

    Iden   66 ( 4 )   380 - 383   2012.7

  • Solar enery and heterotrophic protists: a biochemical strategy against phototoxicity of chlorophylls

    Y Kashiyama, A Yokoyama

    Iden   66 ( 4 )   425 - 431   2012.7

  • "Fossils" of chlorophylls in geologic records

    Y Kashiyama

    Japanese Journal of Phycology   58   9 - 12   2010.3

  • Geochemistry of Porphyrins as Molecular Markers of Chlorophylls

    N Ohkouchi, Y Kashiyama

    News Letter: The Japanese Society of Photosynthesis Research   19   142 - 154   2010

  • Applications of stable isotopes in life sciences: Stable isotopes as ecological proxies: Compound-specific nitrogen isotopic analysis of amino acid

    Y Chikaraishi, Y. Kashiyama, NO Ogawa, N Ohkouchi

    Radioisotopes   56   36 - 58   2007

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Presentations

  • The detoxification catabolism of chlorophylls that allowed protists to prosper on the oxygenated earth International conference

    Yuichiro Kashiyama

    Joint meeting of the Japan Society of Protistology and Korean Society of Protistologists (Kobe2020)  The Japan Society of Protistology

  • Is the possession of retinal-synthesis gene (blh) essential for the function of rhodopsin? International conference

    Yu Nakajima, Keiichi Kojima, Satoko Doi, Yuichiro Kashiyama, Ryosuke Nakai, Yuki Sudo, Kazuhiro Kogure, Susumu Yoshizawa

    16th SAME Symposium of Aquatic Microbial Ecology  Potsdam, Germany

  • Is the possession of retinal-synthesis gene (blh) essential for the function of rhodopsin? International conference

    Yu Nakajima, Keiichi Kojima, Satoko Doi, Yuichiro Kashiyama, Ryosuke Nakai, Yuki Sudo, Kazuhiro Kogure, Susumu Yoshizawa

    16th SAME Symposium of Aquatic Microbial Ecology  Potsdam, Germany

  • Evolution of chlorophyll biosynthesis pathway in a colorless diatom International conference

    Motoki Kayama, Mami Nomura, Minami Goto, Akinori Yabuki, Hideaki Miyashita, Shigeki Mayama, Yuichiro Kashiyama, Ryoma Kamikawa

    7th European Phycological Congress  Federation of European Phycological Societies

  • Evolution of chlorophyll biosynthesis pathway in a colorless diatom International conference

    Motoki Kayama, Mami Nomura, Minami Goto, Akinori Yabuki, Hideaki Miyashita, Shigeki Mayama, Yuichiro Kashiyama, Ryoma Kamikawa

    7th European Phycological Congress  Federation of European Phycological Societies

  • Plastoquinone-mediated electron transport in a non-photosynthetic plastid of the heterotrophic green alga Hyalogonium sp. International conference

    Motoki Kayama, Jun-Feng Chen, Takashi Nakada, Yoshiki Nishimura, Toshiharu Shikanai, Hideaki Miyashita, Yuichiro Kashiyama, Ryoma Kamikawa

    VIII European Congress of Protistology-International Society of Protistologists Joint Meeting 2019  International Society of Protistologists

  • Non-photosynthetic Cryptomonas conducts inorganic carbon fixation? International conference

    Goro Tanifuji, Akinori Yabuki, Motoo Ito, Yuki Morono, Hidetaka Nomaki, Yoshiyuki Ishitani, Ryoma Kamikawa, Yuichiro Kashiyama

    VIII European Congress of Protistology-International Society of Protistologists Joint Meeting 2019  International Society of Protistologists

  • Non-photosynthetic Cryptomonas conducts inorganic carbon fixation? International conference

    Goro Tanifuji, Akinori Yabuki, Motoo Ito, Yuki Morono, Hidetaka Nomaki, Yoshiyuki Ishitani, Ryoma Kamikawa, Yuichiro Kashiyama

    VIII European Congress of Protistology-International Society of Protistologists Joint Meeting 2019  International Society of Protistologists

  • Plastoquinone-mediated electron transport in a non-photosynthetic plastid of the heterotrophic green alga Hyalogonium sp. International conference

    Motoki Kayama, Jun-Feng Chen, Takashi Nakada, Yoshiki Nishimura, Toshiharu Shikanai, Hideaki Miyashita, Yuichiro Kashiyama, Ryoma Kamikawa

    VIII European Congress of Protistology-International Society of Protistologists Joint Meeting 2019  International Society of Protistologists

  • Suppression of grazers of the marine diatom Fistulifera solaris by enhancement of chlorophyllase activity International conference

    Issei Terauchi, Yuichiro Kashiyama, Yuki Ishizuka, Yoshiaki Maeda, Tomoko Yoshino, Mitsufumi Matsumoto, Tsuyoshi Tanaka

    5th The Molecular Life of Diatoms  EMBO workshop

  • Suppression of grazers of the marine diatom Fistulifera solaris by enhancement of chlorophyllase activity International conference

    Issei Terauchi, Yuichiro Kashiyama, Yuki Ishizuka, Yoshiaki Maeda, Tomoko Yoshino, Mitsufumi Matsumoto, Tsuyoshi Tanaka

    5th The Molecular Life of Diatoms  EMBO workshop

  • Predation of picocyanobacteria by pelagic protists and associated chlorophyll catabolism International conference

    Toshiki Matsuda, Akira Shihongi, Kiyotaka Hidaka, Takashi Seto, Yusuke Kinoshita, Hitoshi Tamiaki, Yuichiro Kashiyama

    11th Asian Symposium of Microbial Ecology  Japanese Society of MIcrobial Ecology, Korean Society of Microbiology, and Taiwan Society of Microbial Ecology

  • Taming chlorophylls allowed eukaryotes to prosper on the oxygenated Earth International conference

    Yuichiro Kashiyama

    11th Asian Symposium of Microbial Ecology  Japanese Society of MIcrobial Ecology, Korean Society of Microbiology, and Taiwan Society of Microbial Ecology

  • Predation of picocyanobacteria by pelagic protists and associated chlorophyll catabolism International conference

    Toshiki Matsuda, Akira Shihongi, Kiyotaka Hidaka, Takashi Seto, Yusuke Kinoshita, Hitoshi Tamiaki, Yuichiro Kashiyama

    11th Asian Symposium of Microbial Ecology  Japanese Society of MIcrobial Ecology, Korean Society of Microbiology, and Taiwan Society of Microbial Ecology

  • Taming chlorophylls allowed eukaryotes to prosper on the oxygenated Earth International conference

    Yuichiro Kashiyama

    11th Asian Symposium of Microbial Ecology  Japanese Society of MIcrobial Ecology, Korean Society of Microbiology, and Taiwan Society of Microbial Ecology

  • Regulating the kleptochloroplast by Rapaza viridis

  • Chlorophyll catabolism by pelagic nanoflagellates/amoebae feeding on Prochlorococcus International conference

    Toshiki Matsuda, Hiroki Yamamoto, Akira Shihongi, Motoki Kayama, Kiyotaka Hidaka, Takashi Setou, Akira Ishikawa, Yusuke Kinoshita, Hitoshi Tamiaki, and Yuichiro Kashiyama

    The 5th joint meeting of the Phycological Society of America & International Society of Protistologists  The Phycological Society of America/International Society of Protozologists

  • The chlorophyll cycle and antenna proteins in secondary chloroplasts of Euglena gracilis International conference

    Yuichiro Kashiyama, Moe Maruyama, Shiori Shibata, Koichiro Awai, Masami Nakazawa, and Takahiro Ishikawa

    The 5th joint meeting of the Phycological Society of America & International Society of Protistologists  The Phycological Society of America/International Society of Protozologists

  • The chlorophyll cycle in the secondary plant Euglena gracilis International conference

    Yuichiro Kashiyama, Moe Maruyama, Shiori Shibata, Koichiro Awai, Masami Nakazawa, and Takahiro Ishikawa

    Fourteenth International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP18)  Innovations for Light-Energy Conversion(I4LEC), Photofunctional Complexes Research Association, R-GIRO “Unexplored Organic Materials”

  • Was the Last Eukaryotic Common Ancestor (LECA) an algivore conducting CPE catabolism on chlorophylls? International conference

    Yuichiro Kashiyama

    Third International Mini-Symposium on Biosynthesis of Tetrapyrroles (BSTP18)  Ritsumeikan University

  • Role of a pan-eukaryotic chlorophyll catabolism during the late Proterozoic global oxygenation: a hypothesis International conference

    Yuichiro Kashiyama

    Japan Geoscience Union Meeting 2018 

  • Detoxification catabolism of chlorophylls: a key understanding the early evolution of eukaryotes International conference

    Yuichiro Kashiyama

    Japanese-Canadian Frontiers of Science Symposium  日本学術振興会

  • The chlorophyll catabolism in a phycophagic cercozoan Paracercomonas sp. Strain KMO002: exploring a biochemical/molecular biological approach International conference

    Motoki Kayama, Goro Tanifuji, Yuki Yazaki, Yuichiro Kashiyama

    17th International Congress of Protistology  第15回国際原生生物会議 学術委員会

  • Predation of picocyanobacteria Prochlorococcus by pelagic nano-scaled protists and their catabolism on divinylchlorophylls International conference

    Yuichiro Kashiyama, Akira Shihongi, Toshiki Matsuda, Kiyotaka Hidaka, Akira Ishikawa, Yusuke Kinoshita, Hitoshi Tamiaki

    15th International Congress of Protistology  第15回国際原生生物会議 学術委員会

  • An obligate kleptoplastic phototrophy of a euglenoid Rapaza viridis International conference

    Moe Maruyama, Goro Tanifuji, Yuki Yazaki, Koichiro Awai, Toshinobu Suzaki, Yuichiro Kashiyama

    16th International Congress of Protistology  第15回国際原生生物会議 学術委員会

  • Isolation of plastid-free white cells of Euglena gracilis and their characterization International conference

    Motoki Kayama, Kazuki Ohmiya, Jun Kawahara, Masami Nakazawa, Takahiro Ishikawa, Yuichiro Kashiyama

    The 9th Asia Pacific Conference on Algal Biotechnology (APCAB 2016)  Asia-Pacific Society for Applied Phycology

  • A phagocytosis-associated pan-eukaryotic chlorophyll degradation metabolism preserved in a secondary plant chlorarachniophytes International conference

    Yuichiro Kashiyama, Akira Morita, Yusuke Kinoshita, Hitoshi Tamiaki

    The 9th Asia Pacific Conference on Algal Biotechnology (APCAB 2016)  Asia-Pacific Society for Applied Phycology

  • A chlorophyll detoxification catabolism that have lead to the successful radiation of eukaryotes

    Yuichiro Kashiyama, Akiko Yokoyama, Hitoshi Tamiaki

  • Managing the phototoxicity of chlorophylls: a basic study: On a key metabolism responsible for the mass culture crush International conference

    Yuichiro Kashiyama, Moe Maruyama, Motoki Kayama, Masami Nakazawa, Takahiro Ishikawa, Toshinobu Suzaki, Hitoshi Tamiaki

    11th International Marine Biotechnology Conference  International Marine Biotechnology Association

  • Roles of the metabolism producing cyclopheophorbide enols in Euglenozoa: an evolution from phycophagic heterotrophs to the secondary plants International conference

    Yuichiro Kashiyama, Jun Kawahara, Moe Maruyama, Masami Nakazawa, Akiko Yokoyama, Takahiro Ishikawa, Toshinobu Suzaki, and Hitoshi Tamiaki

    Tetrapyrroles, Chemistry & Biology of Gordon Research Conference  Gordon Research Conference

  • Roles of the metabolism producing cyclopheophorbide enols in Euglenozoa: an evolution from phycophagic heterotrophs to the secondary plants International conference

    Yuichiro Kashiyama, Jun Kawahara, Moe Maruyama, Masami Nakazawa, Akiko Yokoyama, Takahiro Ishikawa, Toshinobu Suzaki, and Hitoshi Tamiaki

    12th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments  立命館大学・私立大学戦略的研究基盤形成支援事業,複合系の光機能研究会, 新学術領域「人工光合成」

  • Chloroplast division of Tetraselmis sp. in the food vacuole of mixotrophic algae Rapaza viridis International conference

    Moe Maruyama, Sin-ya Miyagishima, Toshinobu Suzaki, Aika Yamaguchi, Yuichiro Kashiyama

    Annual meeting of the International Society of Protistologists (The Moscow Forum "PROTIST 2016")  International Society of Protistologists

  • An evolutionary transition of chloroplast degradation in euglenoids: heterotrophic digestion to secondary plastid senescence International conference

    Kashiyama Y., Kawahara J., Maruyama M., Kayama M., Nakazawa M., Tanifuji G., Yokoyama A., Ishikawa T., Tamiaki H., Suzaki T.

    Annual meeting of the International Society of Protistologists (The Moscow Forum "PROTIST 2016")  International Society of Protistologists

  • Pelagic protists feeding on pico-cyanobacteria and their chlorophyll catabolisms International conference

    Shihongi A., Kinoshita Y., Ishikawa A., Tamiaki H., Kashiyama Y.

    Annual meeting of the International Society of Protistologists (The Moscow Forum "PROTIST 2016")  International Society of Protistologists

  • Detoxicification catabolism of chlorophylls among a secondary plant Euglenophyceae: Physiology and biochemical processes International conference

    J. Kawahara, M. Maruyama, Y. Kashiyama, T. Suzaki, A. Yokoyama, M. Nakazawa, T. Ishikawa, H. Tamiaki

    2016 International Chemical Congress of Pacific Basin Societies  International Chemical Congress of Pacific Basin Societies

  • Inhibiting growth of contaminated phycophagic protists in algal cultures by controlling the phototoxicity of chlorophylls International conference

    Y. Kashiyama, J. Kawahara, M. Nakazawa, T. Ishikawa, T. Tanaka, T. Yoshino, H. Tamiaki

    2015 International Chemical Congress of Pacific Basin Societies  International Chemical Congress of Pacific Basin Societies

  • Chlorophyll catabolism generating cyclopheophorbide enols generated by autotrophic and heterotrophic euglenoids International conference

    Y. Kashiyama, J. Kawahara, M. Maruyama, T. Suzaki, M. Nakazawa, T. Ishikawa, A. Yamaguchi, A. Yabuki, A. Uzuka, S. Miyagishima, T. Shiratori, A. Kawaguchi, A. Yokoyama, H. Tamiaki

    VII European Congress of Protistology(VII ECOP-ISOP Joint Meeting 2015)  Europian Society of Protistology, International Society of Protistology

  • 132,173-Cyclopheophorbide enols as detoxified catabolites of chlorophylls - a widely distributed metabolism among phototrophic/heterotrophic protists International conference

    Yuichiro Kashiyama, Akiko Yokoyama, Hitoshi Tamiaki

    Eighth International Conference on Porphyrins and Phthalocyanines (ICPP-8) 

  • Chlorophyll detoxification catabolism of euglenoids that enabled acquisition of the secondary plastid International conference

    Y Kashiyama, A Yokoyama, T Shiratori, A Kawaguchi, I Inouye, H Tamiaki

    International Congress of Protistology XIV  第14回国際原生生物会議 学術委員会

  • A chlorophyll detoxification catabolism related to photosynthetic endosymbiosis of Euglenoid International conference

    Yuichiro Kashiyama, Akiko Yokoyama, Masami Nakazawa, Hitoshi Tamiaki

    第2 回マトリョーシカ型生物学研究会  文部科学省科学研究補助金新学術領域研究マトリョーシカ型進化原理

  • A non-fluorescent/ non-photosensitizing chlorophyll metabolites of herbivorous protists in aquatic ecosystems International conference

    Y Kashiyama, Y Kinoshita, A Yokoyama, H Miyashita, T Mizoguchi, H Tamiaki

    9th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments  立命館大学・私立大学戦略的研究基盤形成支援事業,複合系の光機能研究会, 新学術領域「人工光合成」

  • Spatio-temporal relationship between chlorophyll derivatives and eukaryotic microorganisms in a coastal water

    Japan Geoscience Union Meeting 2013 

  • Chlorophyll detoxification catabolism associated with protistan phycophagy and evolution of phototrophic symbiosis

    Japan Geoscience Union Meeting 2013 

  • Chlorophyll catabolism in aquatic ecosystems: Physiology, ecology, and evolution International conference

    Y Kashiyama, A Yokoyama, H Tamiaki

    CER International workshop on Biogeochemical cycling and Microbial Ecology for Young Scientists  京都大学生態学研究センター

  • Detoxification catabolism of chlorophyll associated with protistan herbivory in aquatic ecosystems International conference

    Y Kashiyama, A Yokoyama, H Tamiaki

    2nd International Symposium on Biosynthesis of Tetrapyrroles  立命館大学:理工学研究所,私立大学戦略的研究基盤形成支援事業

  • Ecological significance of chlorophyll metabolism of herbivorous protists in aquatic ecosystems International conference

    Y Kashiyama, A Yokoyama, H Miyashita, K Ishikawa, A Ishikawa, I Inouye, H Tamiaki

    Protist2012  国際原生生物学会,国際進化原生生物学会

  • Evolutionary significance of chlorophyll metabolisms of herbivorous protists in aquatic ecosystems International conference

    Y Kashiyama, A Yokoyama, T Shiratori, I Inouye, K Ishida, H Tamiaki

    Protist2012  国際原生生物学会,国際進化原生生物学会

  • Evolutionary significance of chlorophyll metabolisms of herbivorous protists in aquatic ecosystems International conference

    Y Kashiyama, A Yokoyama, Y Kinoshita, H Miyashita, K Ishikawa, A Ishikawa, T Mizoguchi, H Tamiaki

    2012 ASLO Aquatic Sciences Meeting  国際陸水・海洋学会

  • A non-fluorescent/non-photosensitizing chlorophyll metabolites of herbivorous protists in aquatic ecosystems International conference

    Y Kashiyama, Y Kinoshita, A Yokoyama, H Miyashita, T Mizoguchi, H Tamiaki

    8th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments  立命館大学・私立大学戦略的研究基盤形成支援事業,複合系の光機能研究会

  • Coping with toxicity of chlorophylls: a biochemical strategy

    Japan Geoscience Union Meeting 2012 

  • 132,173-Cyclopheophorbide a enol: An elusive yet abundant chlorophyll a delivative in aquatic environments International conference

    Y Kashiyama, H Suga, A Yokoyama, I Inoue, H Miyashita, K Ishikawa, Y Kinoshita, K Aoki, K Fujita, D Fujinuma, M Kobayashi, T Mizoguchi, H Tamiaki

    7th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments  立命館大学・私立大学戦略的研究基盤形成支援事業,複合系の光機能研究会

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Awards

  • Research Award (Taguchi Prize)

    2009.8  

    Yuichiro Kashiyama

  • Graduate School of Science Award (Ph.D.)

    2007.3  

    Yuichiro Kashiyama

  • E.J. Tynan Memorial Award

    2002.12  

    Yuichiro Kashiyama

 

Teaching Experience

  • Biological Chemistry I

    Institution:Fukui University of Technology

  • Biological Chemistry II

    Institution:Fukui University of Technology

  • Basic Biology

    Institution:Fukui University of Technology

  • Introductory Material Sciences

    Institution:Fukui University of Technology

  • Introductory Biological Sciences

    Institution:Fukui University of Technology

  • Advanced Conservation Biology

    Institution:Fukui University of Technology

  • Basic Science Experiments

    Institution:Fukui University of Technology

  • Science Experiments

    Institution:Fukui University of Technology

  • Science Experiments IV

    Institution:Fukui University of Technology

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