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The experience-dependent mechanism for sexual orientation in Drosophila

Research Project

Project/Area Number 21H04790
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Review Section Medium-sized Section 46:Neuroscience and related fields
Research InstitutionNational Institute of Information and Communications Technology

Principal Investigator

YAMAMOTO Daisuke  国立研究開発法人情報通信研究機構, 未来ICT研究所神戸フロンティア研究センター, 室長 (50318812)

Project Period (FY) 2021-04-05 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥42,250,000 (Direct Cost: ¥32,500,000、Indirect Cost: ¥9,750,000)
Fiscal Year 2023: ¥12,350,000 (Direct Cost: ¥9,500,000、Indirect Cost: ¥2,850,000)
Fiscal Year 2022: ¥14,300,000 (Direct Cost: ¥11,000,000、Indirect Cost: ¥3,300,000)
Fiscal Year 2021: ¥15,600,000 (Direct Cost: ¥12,000,000、Indirect Cost: ¥3,600,000)
Keywords神経可塑性 / 本能行動 / fruitless遺伝子 / Drosophila / 社会経験
Outline of Research at the Start

本研究では、雄が同性愛求愛を行い雌とは交尾をしないキイロショウジョウバエの突然変異体系統、satoriを武器として、性指向性成立の生物学的基盤を解明する。同系統の雄が同性愛行動をとるにあたっては、fruitless (fru)と呼ばれる遺伝子座の機能喪失に加えて、成虫羽化後の一定期間を雄の集団で生活することが必要条件であり、遺伝と環境との相互作用を取り持つ分子基盤の実体が何なのか、この卓越した遺伝学のモデル生物を用いて解き明かす。

Outline of Final Research Achievements

satori mutants of Drosophila melanogaster are known to show enhanced male-male courtship when group housed. Indeed, deprivation of social interactions suppressed this same sex courtship behavior. Electrophysiological recordings from the courtship triggering P1 neurons in the fly brain revealed that transient K+ currents were markedly enhanced by group housing. Comparative transcriptome of P1 enriched preparations with a sensitive TRAP technique identified some social interaction-sensitive genes, which included those encoding the Sh K+ channel subunit and its associated binding protein. These findings collectively suggest that the ion channel activities in P1 neurons are modulated by social experience, and the modulated state may sustains for stable expression of the behavioral characteristic.

Academic Significance and Societal Importance of the Research Achievements

性指向性を決定する要因の理解では「遺伝」か「環境」か、という単純な二分律ではなく、遺伝と環境の相互作用こそ重要である、との認識に生物学的根拠を与える研究成果と考えている。遺伝と環境の相互作用、という概念の実体として、行動を生み出す個々のニューロンに刻印される分子的変化を提示することは、不毛の論争に終止符を打ち、行動変容の一般的機構の解明に、確固とした道筋をつけることでもある。その意味では、モデル生物を用いた本研究成果は、大きな説得力を持ちうるものと確信する。

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Comments on the Screening Results   Annual Research Report
  • Research Products

    (25 results)

All 2024 2023 2022 2021

All Journal Article (7 results) (of which Peer Reviewed: 7 results,  Open Access: 7 results) Presentation (16 results) (of which Int'l Joint Research: 3 results,  Invited: 6 results) Book (1 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Activin is a neural inducer of a male-specific muscle in Drosophila2024

    • Author(s)
      Kimura Ken-ichi、Kumano Rimi、Yamamoto Daisuke
    • Journal Title

      Scientific Reports

      Volume: 14 Issue: 1 Pages: 3740-3740

    • DOI

      10.1038/s41598-024-54295-3

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Exposure to therapeutic BTK inhibitors induces phenocopying of Btk29A mutants in the fruit fly Drosophila melanogaster2023

    • Author(s)
      Hamada-Kawaguchi, N., Nore, B. F., Zain, R., Engstroem, Y., Smith, C. I. E., Yamamoto, D.
    • Journal Title

      Frontiers in Bioscience-Landmark

      Volume: 28 Issue: 6

    • DOI

      10.31083/j.fbl2806124

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Molecular and cellular origins of behavioral sex differences: a tiny little fly tells a lot2023

    • Author(s)
      Sato., Yamamoto, D.
    • Journal Title

      Frontiers in Molecular Neuroscience

      Volume: 16

    • DOI

      10.3389/fnmol.2023.1284367

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Which Sugar to Take and How Much to Take? Two Distinct Decisions Mediated by Separate Sensory Channels2022

    • Author(s)
      Kohatsu S, Tanabe N, Yamamoto D, Isono K.
    • Journal Title

      Front Mol Neurosci.

      Volume: 15 Pages: 895395-895395

    • DOI

      10.3389/fnmol.2022.895395

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effects of Food and Temperature on Drosophila melanogaster Reproductive Dormancy as Revealed by Quantification of a GFP-Tagged Yolk Protein in the Ovary2022

    • Author(s)
      Hara Yusuke、Yamamoto Daisuke
    • Journal Title

      Frontiers in Physiology

      Volume: 12 Pages: 1-8

    • DOI

      10.3389/fphys.2021.803144

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mutually exclusive expression of sex-specific and non-sex-specific fruitless gene products in the Drosophila central nervous system2022

    • Author(s)
      Sato K, Yamamoto D.
    • Journal Title

      Gene Expr Patterns

      Volume: 43 Pages: 119232-119232

    • DOI

      10.1016/j.gep.2022.119232

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Evolution of a neuromuscular sexual dimorphism in the Drosophila montium species group2021

    • Author(s)
      Liang HQ, Katoh T, Sato K, Yamamoto D, Wen SY.
    • Journal Title

      Sci. Rep.

      Volume: 11 Issue: 1 Pages: 15272-15272

    • DOI

      10.1038/s41598-021-94722-3

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] The neural basis of nuptial gift giving2024

    • Author(s)
      山元 大輔
    • Organizer
      The 3rd Asia Pacific Drosophila Neurobiology Conference
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Neural basis of nuptial gift giving: the mechanism and evolutionary implications2024

    • Author(s)
      山元 大輔
    • Organizer
      Sexually Dimorphic Circuits and Behaviors
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 脂質依存的な脳内インスリン産生細胞の機能変化とその環境ストレス応答への寄与2023

    • Author(s)
      原 佑介 佐藤 耕世 郷 康広 山元 大輔
    • Organizer
      第46回日本神経科学大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] キイロショウジョウバエのアクチビンはオス特異筋の誘導因として作用する2023

    • Author(s)
      木村 賢一 山元大輔
    • Organizer
      第46回日本分子生物学年会
    • Related Report
      2023 Annual Research Report
  • [Presentation] The circuit basis for nuptial gift giving in Drosophila subobscura and its evolutionary implications.2022

    • Author(s)
      Yamamoto D.
    • Organizer
      The 15th Japan Drosophila Research Conference
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] キイロショウジョウバエ腹部雄特異筋の誘導因子の探索2022

    • Author(s)
      木村賢一、山元大輔
    • Organizer
      第45回日本分子生物学会年会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 超高感度な遺伝子発現解析システムSTRAPによる経験依存的な行動発現を制御する遺伝子の解明2022

    • Author(s)
      佐藤耕世、原佑介、Daniel. J. Rinner、伊藤弘樹、山元大輔
    • Organizer
      第45回日本分子生物学会年会、ワークショップ
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Identification of genes involved in the induction of male-specific muscle formation in Drosophila melanogaster.2022

    • Author(s)
      Kimura K-I, Yamamoto D.
    • Organizer
      The 15th Japan Drosophila Research Conference
    • Related Report
      2022 Annual Research Report
  • [Presentation] Diet-dependent electrical and transcriprional changes in brain insulin-producing cells adaptaion to environmental stresses2022

    • Author(s)
      Hara, Y., Sato, K.,Go, Y., Yamamoto, D.
    • Organizer
      The 15th Japan Drosophila Research Conference
    • Related Report
      2022 Annual Research Report
  • [Presentation] A visual interneuron subclass that mediates vision-dependent courtship pursuit in male2022

    • Author(s)
      Kohatsu S, Yamamoto D.
    • Organizer
      The 15th Japan Drosophila Research Conference
    • Related Report
      2022 Annual Research Report
  • [Presentation] Identification of candidate factors to induce the formation of male specific muscles in Drosophila2022

    • Author(s)
      Kimura K-I, Yamamoto D.
    • Organizer
      The 93rd Annual Meeting of the Zoological Society of Japan
    • Related Report
      2022 Annual Research Report
  • [Presentation] Drosophila subobscuraの脳内インスリン産生ニューロンは吻運動を制御して種特異的な求愛行動を生み出す2022

    • Author(s)
      原佑介、田中良弥、古波津創、佐藤耕世、山元大輔
    • Organizer
      第45回日本神経科学大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Exploring the neural basis for nuptial gift giving, an essential coutship repertoire in Drosophila suboobscura.2021

    • Author(s)
      Yamamoto, D.
    • Organizer
      The 2nd Asia Evo Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 行動発現のポテンシャルを作り出す遺伝と経験の分子神経機構.2021

    • Author(s)
      佐藤耕世
    • Organizer
      兵庫県立大学公開セミナー
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 小さな脳の効率的な仕組みを情報技術に活かす.2021

    • Author(s)
      山元大輔、古波津創、佐藤耕世、原佑介
    • Organizer
      国際フロンティア産業メッセ2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] 食物依存的な脳内インスリン産生細胞の電気的及び遺伝子発現変化とその環境ストレス応答への寄与.2021

    • Author(s)
      原佑介、佐藤耕世、郷康広、山元大輔.
    • Organizer
      第44回日本神経科学大会
    • Related Report
      2021 Annual Research Report
  • [Book] Behavioral Neurogenetics2022

    • Author(s)
      Yamamoto D., Editor
    • Total Pages
      296
    • Publisher
      Humana Press in Springer Nature
    • ISBN
      9781071623206
    • Related Report
      2022 Annual Research Report
  • [Patent(Industrial Property Rights)] 遺伝子解析方法2022

    • Inventor(s)
      佐藤耕世、山元大輔
    • Industrial Property Rights Holder
      佐藤耕世、山元大輔
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2022-189772
    • Filing Date
      2022
    • Related Report
      2022 Annual Research Report

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Published: 2021-04-28   Modified: 2025-01-30  

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