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The role of other individuals on behavioral plasticity in termites.

Research Project

Project/Area Number 20K15881
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 45040:Ecology and environment-related
Research InstitutionForest Research and Management Organization (2022-2023)
Kwansei Gakuin University (2020-2021)

Principal Investigator

Yaguchi Hajime  国立研究開発法人森林研究・整備機構, 森林総合研究所, 森林総研特別研究員 (10803380)

Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2022: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2021: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsシロアリ / 表現型可塑性 / 労働分業 / 防衛行動 / 脳内遺伝子 / RNA-seq / 防衛上の分業 / 不妊カースト / 遺伝子発現 / 脳 / 真社会性 / 行動可塑性 / 脳内遺伝子発現 / 社会性昆虫 / 炭化水素 / 個体間相互作用 / 化学コミュニケーション / 個体認識
Outline of Research at the Start

表現型可塑性は,変動する環境に対する迅速な生存戦略である.多数の個体から集団を形成する真社会性昆虫では,個体レベルの表現型可塑性が安定した社会の維持に貢献する.そのような分類群において,個々の行動パターンは同種他個体の存在によって調整されている.一方,社会が行動パターンの可塑的な変化に与える影響は不明である.そこで,ネバダオオシロアリを用いて,化学生態学と分子生物学のアプローチから他個体の認識にかかわる因子の受容機構から行動変化を促す脳内遺伝子の発現制御機構に至るまでの一連の分子機構を明らかにする.得られた成果から,社会が個体レベルの表現型可塑性に与える影響の全貌を理解する.

Outline of Final Research Achievements

Phenotypic plasticity is a common ability among living organisms and an effective strategy in the changing environment. Therefore, plasticity at the individual level has been extensively studied in a variety of organisms. In this study, I aimed to determine the influences of other individuals on individual-level behavioral plasticity in termites. Consequently, I quantified the frequencies of plastic defensive behavior of termites in response to other individuals and captured the changes in gene expression within the brain.

Academic Significance and Societal Importance of the Research Achievements

社会生物学の分野において,アリやミツバチにおける行動レベルの観察が精力的に行われてきた.一方で,アリやミツバチに比べると,シロアリにおける研究はやや立ち遅れていた.本成果は,ネバダオオシロアリを対象に,個体レベルの表現型可塑性に与える社会(他個体の存在)の役割について,分子生物学の観点から強化できた.特に,脳を対象とした遺伝子発現はシロアリでは初めてであり,他の昆虫種と比較する上での基礎的なデータを提供できた.

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (19 results)

All 2024 2023 2022 2021

All Journal Article (10 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 9 results,  Open Access: 4 results) Presentation (9 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] ゴキブリの配偶戦略 : シロアリが持つ高度な社会の源流を探る2024

    • Author(s)
      矢口甫、小林格、前川清人
    • Journal Title

      しろあり

      Volume: 181 Pages: 37-46

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Context‐dependent expression of variation in defensive behaviour in the lower termite <i>Zootermopsis nevadensis</i>2023

    • Author(s)
      Koyama Yutaro、Yaguchi Hajime、Maekawa Kiyoto、Hojo Masaru K.
    • Journal Title

      Ethology

      Volume: 129 Issue: 11 Pages: 585-591

    • DOI

      10.1111/eth.13394

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Comparison of gene expression profiles among caste differentiations in the termite Reticulitermes speratus2022

    • Author(s)
      Saiki Ryota、Hayashi Yoshinobu、Toga Kouhei、Yaguchi Hajime、Masuoka Yudai、Suzuki Ryutaro、Fujiwara Kokuto、Shigenobu Shuji、Maekawa Kiyoto
    • Journal Title

      Scientific Reports

      Volume: 12 Issue: 1

    • DOI

      10.1038/s41598-022-15984-z

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Population admixtures in medaka inferred by multiple arbitrary amplicon sequencing2022

    • Author(s)
      Fujimoto Shingo、Yaguchi Hajime、Myosho Taijun、Aoyama Hiroaki、Sato Yukuto、Kimura Ryosuke
    • Journal Title

      Scientific Reports

      Volume: 12 Issue: 1

    • DOI

      10.1038/s41598-022-24498-7

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Transcriptome Analysis in a Scleractinian Coral, Acropora tenuis, during the Spawning Season With Reference to the Gonadal Condition2022

    • Author(s)
      Takekata Hiroki、Hamazato Hirono、Suan Tan Ee、Izumi Ryotaro、Yaguchi Hajime、Matsunami Masatoshi、Isomura Naoko、Takemura Akihiro
    • Journal Title

      Zoological Science

      Volume: 39 Issue: 6 Pages: 570-580

    • DOI

      10.2108/zs220016

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Evolution and functionalization of vitellogenin genes in the termite Reticulitermes speratus2022

    • Author(s)
      Yaguchi Hajime、Suzuki Shogo、Kanasaki Naoto、Masuoka Yudai、Suzuki Ryutaro、Suzuki Ryouhei H.、Hayashi Yoshinobu、Shigenobu Shuji、Maekawa Kiyoto
    • Journal Title

      Journal of Experimental Zoology Part B: Molecular and Developmental Evolution

      Volume: 340 Issue: 1 Pages: 68-80

    • DOI

      10.1002/jez.b.23141

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Genomic and transcriptomic analyses of the subterranean termite <i>Reticulitermes speratus</i> : Gene duplication facilitates social evolution2022

    • Author(s)
      Shigenobu Shuji、Hayashi Yoshinobu、Watanabe Dai、Tokuda Gaku、Hojo Masaru Y. et al.
    • Journal Title

      Proceedings of the National Academy of Sciences

      Volume: 119 Issue: 3 Pages: 1-12

    • DOI

      10.1073/pnas.2110361119

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mesozoic origin and 'out-of-India' radiation of ricefishes (Adrianichthyidae)2021

    • Author(s)
      Kazunori Yamahira, Satoshi Ansai, Ryo Kakioka, et al.
    • Journal Title

      BIOLOGY LETTERS

      Volume: 17 Issue: 8 Pages: 20210212-20210212

    • DOI

      10.1098/rsbl.2021.0212

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Extra‐pair paternity in the wood‐feeding cockroach <i>Cryptocercus punctulatus</i> Scudder: Social but not genetic monogamy2021

    • Author(s)
      Yaguchi Hajime、Kobayashi Itaru、Maekawa Kiyoto、Nalepa Christine A.
    • Journal Title

      Molecular Ecology

      Volume: 30 Issue: 24 Pages: 6743-6758

    • DOI

      10.1111/mec.16185

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Identification of Genes Involved in the Synthesis of the Fungal Cell Wall Component Nigeran and Regulation of Its Polymerization in Aspergillus luchuensis2021

    • Author(s)
      Uechi Keiko、Yaguchi Hajime、Tokashiki Jikian、Taira Toki、Mizutani Osamu
    • Journal Title

      Applied and Environmental Microbiology

      Volume: 87 Issue: 21

    • DOI

      10.1128/aem.01144-21

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] シロアリにおけるカースト特異的な 発現遺伝子の分子進化2023

    • Author(s)
      矢口甫、小山雄太郎、北條賢、前川清人
    • Organizer
      日本進化学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] ヤマトシロアリの化学受容器で発現するリポカリン遺伝子における機能解明の試み2022

    • Author(s)
      小林あんじ,花田拓巳,矢口甫,前川清人
    • Organizer
      日本進化学会
    • Related Report
      2022 Research-status Report
  • [Presentation] Functionalization of vitellogenin genes during the course of eusocial evolution in termites2022

    • Author(s)
      Yaguchi Hajime, Maekawa Kiyoto
    • Organizer
      The 19th Congress of International Union for the Study of Social Insects
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Colony defense by the first-biting individual in the damp-wood termite Zootermopsis nevadensis2022

    • Author(s)
      Yutaro Koyama, Yaguchi Hajime, Maekawa Kiyoto, Hojo Masaru
    • Organizer
      The 19th Congress of International Union for the Study of Social Insects
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Histological and genetic differences during development of sterile caste in ant Pheidole megacephala2022

    • Author(s)
      Yoshida Akane, Yaguchi Hajime, Yamamoto Meimi, Hojo Masaru
    • Organizer
      The 19th Congress of International Union for the Study of Social Insects
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] シロアリにおける繁殖分業の進化に伴うビテロジェニン遺伝子の機能分化2022

    • Author(s)
      矢口甫,前川清人
    • Organizer
      応用動物昆虫学会
    • Related Report
      2021 Research-status Report
  • [Presentation] ヤマトシロアリのリポカリン遺伝子の重複と機能分化2022

    • Author(s)
      小林あんじ,矢口甫,鈴木翔吾,前川清人
    • Organizer
      応用動物昆虫学会
    • Related Report
      2021 Research-status Report
  • [Presentation] ツヤオオズアリのワーカーにおける頭部肥大化に対するホルモンの作用2021

    • Author(s)
      矢口甫,山本芽実,北條賢
    • Organizer
      応用動物昆虫学会
    • Related Report
      2020 Research-status Report
  • [Presentation] ネバダオオシロアリのワーカーにおける防衛行動の柔軟な変化2021

    • Author(s)
      小山雄太郎,矢口甫,北條賢
    • Organizer
      応用動物昆虫学会
    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2025-01-30  

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