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.
2024 - 2026 視覚シグナルを介した種内コミュニケーションの脳の分子神経基盤の解明
2023 - 2026 A neural mechanism underlying female mate preference using a ornamental signal
2020 - 2026 Genomic basis of speciation
2021 - 2025 Molecular/genetic basis underlying the fish social vision
2024 - 2025 ゲノム情報を活用した次世代水産物育種技術の確立
2021 - 2024 熱帯の多様性創出における急速な性染色体置換の役割
2022 - 2024 メダカ野生由来系統のゲノム多型情報整備
2023 - 2024 品種特異的なゲノム解析によるゲノム編集水産品種の育種効果の向上
2021 - 2023 メダカ黒色婚姻色の多様化をもたらす性的葛藤遺伝子の同定
2019 - 2023 XY型からZW型への性決定システムの進化
2018 - 2021 Elucidation of flexible homeostasis regulation that are lost during domestication
2018 - 2020 The evolutionary genetic basis of diversified sexual dimorphism in Adrianichthyidae fishes
2016 - 2019 メダカ科魚類における性的葛藤遺伝子の同定と機能解析
2016 - 2019 Genetic and neural basis of social behaviors in vertebrates
2013 - 2016 人工ヌクレアーゼを用いた標的遺伝子組換えメダカ作出技術の確立
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Papers (62):
Yoshitaka Tanaka, Takahide Seki, Atsushi Hoshino, Satoshi Ansai. Highly efficient transgenesis mediated by Tip100 transposon system in medaka. Transgenic Research. 2025
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
Rie Hara, Satoshi Ansai, Yasuhiro Kamei, Masaru Matsuda, Masato Kinoshita. Genetic basis of latitudinal variation in vertebral number in the Oryzias latipes species complex. 2025
Kenji Morikami, Yasuhiro Tanizawa, Masaru Yagura, Mika Sakamoto, Shoko Kawamoto, Yasukazu Nakamura, Katsushi Yamaguchi, Shuji Shigenobu, Kiyoshi Naruse, Satoshi Ansai, et al. Empowering medaka fish biology with versatile genomic resources in MedakaBase. 2025
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
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)