Rchr
J-GLOBAL ID：201601021388894491   Update date: Dec. 18, 2025

Ansai Satoshi

アンサイ サトシ | Ansai Satoshi
Affiliation and department：
Okayama University Ushimado Marine Institute

About Okayama University Ushimado Marine Institute


Job title： Professor
Homepage URL  (1)： http://satoshi-ansai.github.io
Research field  (5)： Evolutionary biology ,  Genetics ,  Genomics ,  Animals: biochemistry, physiology, behavioral science ,  Marine/Aquatic life sciences
Research keywords  (10)： Medaka ,  Teleost fishes ,  Sexual dimorphism ,  Mate preference ,  Genomics ,  Speciation ,  Sex chromosome ,  Chromosome evolution ,  Genome editing ,  Aquaculture breeding
Research theme for competitive and other funds  (20)：
  • 2025 - 2028 Verification of a novel mode of speciation by mitochondria originated from a different species
  • 2024 - 2027 種間比較から紐解く形態的な二次性徴形質の多様化機構の解明
  • 2024 - 2027 色素細胞の創出と喪失の進化発生メカニズム
  • 2023 - 2027 Evolutionary mechanisms leading to a transition of the sex determination systems.
  • 2023 - 2027 Evolutionary mechanisms leading to a transition of the sex determination systems.
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Papers (61)：
  • Rie Hara, Satoshi Ansai, Yasuhiro Kamei, Masaru Matsuda, Masato Kinoshita. Genetic basis of latitudinal variation in vertebral number in the Oryzias latipes species complex. Zoological Letters. 2025
  • Kenji Morikami, Yasuhiro Tanizawa, Masaru Yagura, Mika Sakamoto, Shoko Kawamoto, Yasukazu Nakamura, Katsushi Yamaguchi, Shuji Shigenobu, Kiyoshi Naruse, Satoshi Ansai, et al. MedakaBase as a unified genomic resource platform for medaka fish biology. DNA Research. 2025. 32. 6
  • Yoshitaka Tanaka, Takahide Seki, Atsushi Hoshino, Satoshi Ansai. Highly efficient transgenesis mediated by Tip100 transposon system in medaka. Transgenic Research. 2025. 34. 1
  • Takahide Seki, Kazuhiro Miyanari, Asuka Shiraishi, Sachiko Tsuda, Satoshi Ansai, Hideaki Takeuchi. Establishment of a transgenic strain for the whole brain calcium imaging in larval medaka fish (Oryzias latipes). Neuroscience Research. 2025. 219. 104944-104944
  • Kazuhide Miyamoto, Junpei Kuroda, Satomi Kamimura, Yasuyuki Sasano, Gembu Abe, Satoshi Ansai, Noriko Funayama, Masahiro Uesaka, Koji Tamura. Actinotrichia-independent developmental mechanisms of spiny rays facilitate the morphological diversification of Acanthomorpha fish fins. 2025
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MISC (8)：
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Books (4)：
  • Medaka : Biology, Management, and Experimental Protocols, Volume 2
    Wiley-Blackwell 2020 ISBN:9780813808710
  • 遺伝子から解き明かす魚の不思議な世界 : 水面下で起きた4億年の進化物語
    一色出版 2019 ISBN:9784909383075
  • Targeted genome editing using site-specific nucleases
    Springer 2015
  • 実験医学別冊 最強のステップUPシリーズ「今すぐ始めるゲノム編集 - TALEN&CRISPR/Cas9の必須知識と実験プロトコール
    羊土社 2014
Lectures and oral presentations  (63)：
  • メダカ野生由来系統のゲノム情報整備とその活用
    (NBRPオンラインワークショップ「データ駆動型研究に有用なバイオリソース」 2024)
  • メダカ科魚類における染色体構造変異の同定とその編集技術の確立
    (令和6年度日本水産学会秋季大会 2024)
  • Evolutionary mechanisms underlying a significant diversification of sexual dichromatism in Sulawesian medaka fishes
    (The 95th Annual Meeting of the Zoological Society of Japan 2024)
  • Wild-derived medaka strains: a novel resource for unveiling the genetic architecture of phenotypic diversity
    (18th International Zebrafish Conference 2024)
  • Diversity and evolution of sex chromosomes in Sulawesian medaka fishes
    (EuroEvoDevo 2024 2024)
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Education (3)：
  • 2013 - 2016 Kyoto University Graduate School of Agriculture Division of Applied Biosciences
  • 2011 - 2013 Kyoto University Graduate School of Agriculture Division of Applied Biosciences
  • 2007 - 2011 Kyoto University Faculty of Agriculture Division of Bioresource Science
Professional career (1)：
  • 博士 (農学) (京都大学)
Work history (7)：
  • 2024/04 - 現在 Okayama University Ushimado Marine Institute Professor
  • 2023/01 - 2024/03 Kyoto University Laboratory of Genome Editing Breeding, Graduate School of Agriculture Program-specific Associate Professor
  • 2019/11 - 2022/12 Tohoku University Department of Integrative Life Sciences, Graduate School of Life Sciences Assistant Professor
  • 2017/11 - 2019/10 National Institute for Basic Biology Laboratory of Bioresources Assistant Professor
  • 2016/04 - 2017/10 JSPS Research Fellow (PD)
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Awards (3)：
  • 2016/02 - 17th Australia and New Zealand Zebrafish Meeting Best Poster Award
  • 2013/09 - 19th Japanese Medaka and Zebrafish Meeting Best Poster Award
  • 2012/09 - 18th Japanese Medaka and Zebrafish Meeting Best Poster Award
Association Membership(s) (4)：
THE ZOOLOGICAL SOCIETY OF JAPAN ,  日本水産学会 ,  日本生態学会 ,  日本進化学会
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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