Sakai Hiroyuki

Affiliation and department：
Job title： Special Postdoctoral Researcher
Homepage URL (1)： https://www.archaeophile.com/

Research field (4)： Ecology and environmental science , Molecular biology , Genomics , Biodiversity and systematics

Research keywords (8)： DPANN archaea , Symbiotic microorganisms , Extremophiles , hot spring , Archaea , Microbial Taxonomy , Microbial Ecology , Thermophiles

Research theme for competitive and other funds (7)：

2023 - 2026 Unraveling the multi-layer relationship between archaeal symbionts and their viruses
2021 - 2024 DPANN群に属する共生アーキア培養株の確立と共生機構の解明
2022 - 2024 Molecular understanding of survival strategy in ultramicro-organisms living in extreme environments
2021 - 2023 Ecological and Taxonomic Studies of Thermophiles Living in Hot Springs in Indonesia
2020 - 2022 Elucidation of symbiotic mechanism of a novel archaeon belonging to the DPANN superphylum

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Papers (23)：

Motoko Igisu, Masayuki Miyazaki, Sanae Sakai, Satoshi Nakagawa, Hiroyuki D. Sakai, Ken Takai. Domain-level Identification of Single Prokaryotic Cells by Optical Photothermal Infrared Spectroscopy. Microbes and Environments. 2023. 38. 4. n/a-n/a
ミクルアーキアの最前線ー酸性温泉から培養された新奇DPANNアーキアARM-1株ー(リサーチ最前線:培養が切り拓くDPANNアーキア研究の新展開). Japanese Society of Microbial Ecology. 2022. 37. 2. 59-62
Shingo Kato, Ayaka Ogasawara, Takashi Itoh, Hiroyuki D. Sakai, Michiru Shimizu, Masahiro Yuki, Masanori Kaneko, Tomonori Takashina, Moriya Ohkuma. Nanobdella aerobiophila gen. nov., sp. nov., a thermoacidophilic, obligate ectosymbiotic archaeon, and proposal of Nanobdellaceae fam. nov., Nanobdellales ord. nov. and Nanobdellia class. nov. International Journal of Systematic and Evolutionary Microbiology. 2022. 72. 8
Hiroyuki D. Sakai, Koichi Nakamura, Norio Kurosawa. Stygiolobus caldivivus sp. nov., a facultatively anaerobic hyperthermophilic archaeon isolated from the Unzen hot spring in Japan. International Journal of Systematic and Evolutionary Microbiology. 2022. 72. 8
Maria Cecilia D. Salangsang, Mutsumi Sekine, Shinichi Akizuki, Hiroyuki D. Sakai, Norio Kurosawa, Tatsuki Toda. Effect of carbon to nitrogen ratio of food waste and short resting period on microbial accumulation during anaerobic digestion. Biomass and Bioenergy. 2022. 162. 106481-106481

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MISC (1)：

The 12th Asian Symposium of Microbial Ecology(ASME)report. Japanese Society of Microbial Ecology. 2022. 37. 2. 78-79

Books (2)：

極限環境微生物の先端科学と社会実装最前線
株式会社エヌ・ティー・エス 2023 ISBN:9784860438487
微生物資源の整備と利活用の戦略
株式会社エヌ・ティー・エス 2023 ISBN:9784860438586

Lectures and oral presentations (55)：

酸性温泉からの新規DPANNアーキア培養株の確立
(日本微生物生態学会第36回大会 2023)
DPANNおよび宿主アーキアの経時的グライコプロテオミクス
(日本微生物生態学会第36回大会 2023)
東南極高塩分湖におけるバクテリアおよび真核生物の群集構造
(日本微生物生態学会第36回大会 2023)
日本の酸性温泉に生息するイデユコゴメ類の分類学的解析
(日本微生物生態学会第36回大会 2023)
Exploring new species of Cyanidiococcus (Cyanidiophyceae, Rhodophyta) inhabiting acid hot springs in Japan
(16th International Congress on Thermophiles)

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Education (3)：

2016 - 2019 Soka University Graduate School of Engineering (Ph.D. student) Department of Environmental Engineering for Symbiosis
2014 - 2016 Soka University Graduate School of Engineering (Master student) Department of Environmental Engineering for Symbiosis
2005 - 2010 Soka University Faculty of Engineering Department of Environmental Engineering for Symbiosis (Bachelor student)

Professional career (1)：

Ph.D. (Soka University)

Work history (8)：

2023/04 - 現在 RIKEN BioResource Research Center, Japan Collection of Microorganisms Special Postdoctoral Researcher
2020/04 - 2023/03 Soka University Faculty of Science and Engineering Assistant Professor
2019/04 - 2020/03 RIKEN BioResouse Research Center Japan Collection of Microorganisms JSPS Research Fellow PD / Visiting Researcher
2018/04 - 2019/03 Soka University Department of Environmental Engineering for Symbiosis, Graduate School of Engineering JSPS Research Fellow DC2
2017/04 - 2018/02 Soka University Faculty of Science and Engineering Teaching Assistant (Case Study)

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Committee career (1)：

2023/11 - 現在極限環境生物学会シンポジウム委員

Awards (12)：

2023/12 - Human Frontier Science Program Organization Human Frontier Science Program Early career Unraveling the multi-layer relationship between archaeal symbionts and their viruses
2023/09 - Engineering Microbiology (16th International Congress on Thermophiles) Poster Award (1st place) Exploring new species of Cyanidiococcus (Cyanidiophyceae, Rhodophyta) inhabiting acid hot springs in Japan
2023/04 - 国立研究開発法人理化学研究所基礎科学特別研究員(SPDR)
2022/09 - 日本学術振興会特別研究員PD 採用内定辞退
2022/07 - Japan Society for Microbial Resources and Systematics Best poster award Polyphasic taxonomic analysis of a novel thermoacidophilic archaeon strain HS-7 belonging to the order Sulfolobales

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Association Membership(s) (8)：

Japan Geoscience Union , Japanese Society for CPR/DPANN research , Japan Society for Microbial Resources and Systematic , THE JAPANESE SOCIETY OF MICROBIAL ECOLOGY , Japan Society for Archaea , JAPANESE SOCIETY FOR EXTREMOPHILES , The Japanese Society of Hot Spring Sciences , American Society for Microbiology

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