Presentations -

Maintenance and control of carbon fixation in photosynthesis in a kleptoplasty International conference

Y. Kashiyama, M. Maruyama, T. Kagamoto, H. Imanishi, N. Inada, H. Ashida, M. Nakazawa

12th International conference of photosynthesis and Hydrogen energy research for sustainability  2024.10  Photosynthesis and Hydrogen Energy Research for Sustainability-2024

Investigation of the nitrate assimilation pathway in the kleptoplastic organism Rapaza viridis International conference

Y. Ohashi, T. Kagamoto, M. Maruyama, Y. Kashiyama

13th International conference of photosynthesis and Hydrogen energy research for sustainability  2024.10  Photosynthesis and Hydrogen Energy Research for Sustainability-2025

Nuclear genome-encoded klaptoplast-targeting proteins of Rapaza viridis

Yuichiro Kashiyama

Functional verification of plasma membrane nitrate transporter-like protein of a kleptoplastic flagellate Rapaza viridis

Y. Ohashi, T. Kagamoto, M. Maruyama, Y. Kashiyama

Nuclear genome-encoded klaptoplast-targeting proteins of Rapaza viridis

Yuichiro Kashiyama

2023.11 

Functional verification of plasma membrane nitrate transporter-like protein of a kleptoplastic flagellate Rapaza viridis

Y. Ohashi, T. Kagamoto, M. Maruyama, Y. Kashiyama

2023.11 

Biochemical elucidation of CPE-accumulating chlorophyll catabolism conserved among diverse eukaryotes International conference

Y. Kashiyama, H. Tamiaki

15th International Conference on Tetrapyrrole Photoreceptors in Photosynthetic Organisms (ICTPPO2023)  ICTPPO2023 Organizing Committee

Biochemical elucidation of CPE-accumulating chlorophyll catabolism conserved among diverse eukaryotes Invited International conference

Y. Kashiyama, H. Tamiaki

15th International Conference on Tetrapyrrole Photoreceptors in Photosynthetic Organisms (ICTPPO2023)  2023.9  ICTPPO2023 Organizing Committee

Genetic transformation of Rapaza viridis and biochemical demonstration of its kleptoplast-targeted proteins International conference

Y. Kashiyama, M. Maruyama, T. Kagamoto, M. Nakazawa, N. Inada, H. Ashida, R. Onuma, S. Miyagishima

3rd Annual International Congress on Euglenoids 2023  The Euglena International Network

Genetic transformation of Rapaza viridis and biochemical demonstration of its kleptoplast-targeted proteins International conference

Y. Kashiyama, M. Maruyama, T. Kagamoto, M. Nakazawa, N. Inada, H. Ashida, R. Onuma, S. Miyagishima

3rd Annual International Congress on Euglenoids 2023  2023.7  The Euglena International Network

Analysis of chlorophyll metabolism by algivorous protists International conference

H. Nomura, Y. Kashiyama, and H. Tamiaki

18th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP23)  R-GIRO, Photofunctional Complexes Research Association

Analysis of chlorophyll metabolism by algivorous protists International conference

H. Nomura, Y. Kashiyama, and H. Tamiaki

18th International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP23)  2023.6  R-GIRO, Photofunctional Complexes Research Association

Proposed BciC enzymatic hydrolysis and decarboxylation mechanism

M. Hirose, J. Harada, Y. Kashiyama, H. Tamiaki

Structural and functional modification of chlorophylls by protist

H. Tamiaki, H. Nomura, M. Hirose, Y. Kashiyama

Proposed BciC enzymatic hydrolysis and decarboxylation mechanism

M. Hirose, J. Harada, Y. Kashiyama, H. Tamiaki

2023.3 

Structural and functional modification of chlorophylls by protist

H. Tamiaki, H. Nomura, M. Hirose, Y. Kashiyama

2023.3 

Functional analysis of a novel candidate gene for a chlorophyll catabolism conserved in a wide range of eukaryotes International conference

Kashiyama Y., Kagamoto T.,Nakazawa M., Tanifuji G.

International Society for Evolutionary Protistology Virtual Meeting 2024  International Society for Evolutionary Protistology Virtual Meeting 2024

Functional analysis of a novel candidate gene for a chlorophyll catabolism conserved in a wide range of eukaryotes International conference

Kashiyama Y., Kagamoto T.,Nakazawa M., Tanifuji G.

International Society for Evolutionary Protistology Virtual Meeting 2024  2023.1  International Society for Evolutionary Protistology Virtual Meeting 2024

How to digest delicious diatoms containing the phototoxic chlorophyll Invited International conference

Yuichiro Kashiyama

The Molecular Life of Diatoms 6  2021.7  EMBO

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

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 

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

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

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

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) 

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」

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

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”

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

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

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 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

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 

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