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Evolutionary and immunological basis of an insect intracellular symbiosis

Research Project

Project/Area Number 19H03275
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 45020:Evolutionary biology-related
Research InstitutionUniversity of the Ryukyus

Principal Investigator

MATSUURA Yu  琉球大学, 熱帯生物圏研究センター, 助教 (80723824)

Co-Investigator(Kenkyū-buntansha) 二橋 美瑞子 (長内美瑞子)  茨城大学, 理工学研究科(理学野), 准教授 (00422402)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2022: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2021: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2020: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2019: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Keywords細胞内共生 / 菌細胞 / 昆虫 / 共生細菌 / 自然免疫 / 胚発生 / ナガカメムシ / RNAi / 脂肪体 / 細胞内共生細菌 / ヒメナガカメムシ / 自然免疫系 / ゲノム / カメムシ / 進化
Outline of Research at the Start

動物は病原菌などの有害な外来微生物を排除する自然免疫系を有しているが、昆虫などの無脊椎動物は体内さらには細胞内にまで有益な微生物を積極的に取り込んで維持し、それらの生物機能を丸ごと獲得する細胞内共生を進化させている。ところが、動物の自然免疫と細胞内共生という一見相反する非自己制御機構が生体内でどのように線引きされ、進化してきたのかについては理解が進んでいない。本研究では昆虫の細胞内共生の成立と自然免疫系の制御に着目し、さまざまな遺伝学・細胞生物学的解析を駆使して、昆虫にとって非自己であるはずの共生細菌がいかなる免疫学的な制御機構により許容されるのかを解明し、細胞内共生の進化の謎に迫る。

Outline of Final Research Achievements

In this study, we first conducted functional screening of innate immunity and differentially expressed genes under Ubx-RNAi treatment in the seed bug Nysius plebeius by maternal RNAi of those genes, phenotypic observation, whole mount FISH and qPCR assays of the embryos. We found that several novel genes affect bacteriocyte formation in the embryos and that humoral immunity Toll and IMD pathways are not likely involved with the intracellular symbiosis both in embryos and adults. In addition, we revealed the diversity of bacteriocyte development in 5 species of lygaeoid stinkbugs. We also analyzed the complete or draft genomes of 7 intracellular symbionts found in these stinkbugs.

Academic Significance and Societal Importance of the Research Achievements

細胞内共生は、宿主生物が共生微生物をその代謝経路ごと取り込むことで複合的な生命体が進化するきっかけとなる非常に重要な現象であり、異物の取り込みと維持がいかに成立するかに興味がもたれてきた。本研究により、ヒメナガカメムシの菌細胞共生成立に必要と考えられる新規遺伝子を同定でき、また自然免疫系と細胞内共生が独立に制御されていることが示唆されたことから、研究の新たな展開につながった。今後、ナガカメムシの菌細胞共生成立の機構の解析と操作を通じて、動物に広くみられる細胞内共生現象の解明や害虫の細胞内共生の制御を介した新たな防除法の開発が期待される。

Report

(5 results)
  • 2023 Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • Research Products

    (29 results)

All 2023 2022 2021 2020 2019 Other

All Int'l Joint Research (8 results) Journal Article (3 results) (of which Int'l Joint Research: 3 results,  Open Access: 2 results,  Peer Reviewed: 2 results) Presentation (17 results) (of which Int'l Joint Research: 4 results,  Invited: 2 results) Remarks (1 results)

  • [Int'l Joint Research] The University of Arizona/The New York Botanical Garden(米国)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] Max Planck Institute for Biology(ドイツ)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] Korea Polar Research Institute(韓国)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] The University of Arizona/The New York Botanical Garden(米国)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] The University of Arizona/The New York Botanical Garden(米国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] University of Montana/Indiana University(米国)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] CSIRO(オーストラリア)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] University of Bayreuth(ドイツ)

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Editorial: Symbiotic organs in insects: development, metabolism, and physiological regulation2023

    • Author(s)
      Calevro Federica、Callaerts Patrick、Matsuura Yu、Michalik Anna
    • Journal Title

      Frontiers in Physiology

      Volume: 14 Pages: 1248654-1248654

    • DOI

      10.3389/fphys.2023.1248654

    • Related Report
      2022 Annual Research Report
    • Open Access / Int'l Joint Research
  • [Journal Article] Symbiont coordinates stem cell proliferation, apoptosis, and morphogenesis of gut symbiotic organ in the stinkbug-Caballeronia symbiosis2023

    • Author(s)
      Jang Seonghan、Matsuura Yu、Ishigami Kota、Mergaert Peter、Kikuchi Yoshitomo
    • Journal Title

      Frontiers in Physiology

      Volume: 13 Pages: 01-13

    • DOI

      10.3389/fphys.2022.1071987

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Repeated evolution of bacteriocytes in lygaeoid stinkbugs2019

    • Author(s)
      Kuechler Stefan Martin、Fukatsu Takema、Matsuura Yu
    • Journal Title

      Environmental Microbiology

      Volume: 21 Issue: 11 Pages: 4378-4394

    • DOI

      10.1111/1462-2920.14804

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] なぜ冬虫夏草はカメムシ目昆虫類にとって有益な絶対共生菌となったのか2023

    • Author(s)
      松浦優
    • Organizer
      日本菌学会第67回熊本大会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] The role of the intracellular symbiont Lariskella in a leaf-footed bug2023

    • Author(s)
      Umanzor F, Kelly SE, Matsuura Y, Hunter MS
    • Organizer
      Wolbachia Conference 2023
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The role of the intracellular symbiont Lariskella in a leaf-footed bug2023

    • Author(s)
      Umanzor F, Kelly SE, Matsuura Y, Hunter MS
    • Organizer
      Animal-Microbe Symbioses, Gordon Research Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] カメノコハムシ類における必須共生細菌Stammera の共生動態2023

    • Author(s)
      小口晃平,春本敏之,松浦優,深津武馬
    • Organizer
      日本進化学会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 昆虫寄生菌のセミタケ類が絶対共生菌へと進化した要因を探る2023

    • Author(s)
      松浦優
    • Organizer
      第67回日本応用動物昆虫学会大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 沖縄産ミバエ類の腸内共生系と寄主植物との関係性2022

    • Author(s)
      久岡知輝, 松浦優, 関根麗子, 本間淳, 松山隆志, 西田隆義
    • Organizer
      第66回日本応用動物昆虫学会大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] アリにおける腸内共生細菌の新規伝播様式2022

    • Author(s)
      山下倫桜, 松浦優, 石塚優介, 伊藤英臣, 北條賢, 菊池義智, 下地博之
    • Organizer
      第69回日本生態大会福岡大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Ophiocordyceps属セミタケ類とセミ共生菌の分類および進化2022

    • Author(s)
      松浦優, Araujo Joao, 山本航平, 盛口満
    • Organizer
      日本菌学会第66回大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] acterial symbiont diversity in and out of Bactrocera fruit flies in Okinawa, Japan2022

    • Author(s)
      Yu Matsuura, Reiko Sekine, Atsushi Honma, Hideomi Itoh
    • Organizer
      11th International Symposium on Fruit Flies of Economic Importance
    • Related Report
      2021 Annual Research Report
  • [Presentation] アリにおける個体間の分業と免疫活性の関係2021

    • Author(s)
      石塚優介、松浦優、Seonghan Jang、田中康就、北條賢、菊池義智、下地博之
    • Organizer
      日本生態学会第68回全国大会岡山大学(オンライン)
    • Related Report
      2020 Annual Research Report
  • [Presentation] アリにおける腸内共生細菌の新規伝播様式2021

    • Author(s)
      山下倫桜、松浦優、伊藤英臣、北條賢、菊池義智、下地博之
    • Organizer
      第65回日本応用動物昆虫学会大会島根大学(オンライン)
    • Related Report
      2020 Annual Research Report
  • [Presentation] 共生細菌による腸の劇的な形態変化:Homeobox遺伝子が鍵!2021

    • Author(s)
      Seonghan Jang、Mergaert Peter、大林翼、松浦優、菊池義智
    • Organizer
      第65回日本応用動物昆虫学会大会島根大学(オンライン)
    • Related Report
      2020 Annual Research Report
  • [Presentation] 日本初のゴキブリ生冬虫夏草クチキゴキブリタケ~その進化的起源と生態に関する考察2021

    • Author(s)
      松浦優、盛口満
    • Organizer
      日本昆虫学会第81回大会オンライン(東京)
    • Related Report
      2020 Annual Research Report
  • [Presentation] セミと冬虫夏草の切ってもきれない共生関係の進化2020

    • Author(s)
      松浦優
    • Organizer
      第75回つくば進化生態学セミナー(オンライン)
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] Embryonic dynamics and symbiotic organ formation in lygaeoid bugs (Heteroptera: Lygaeoidea)2019

    • Author(s)
      Kuechler S.M, Tokuda G, Fukatsu T, Matsuura Y.
    • Organizer
      Gordon Research Conference - 2019 Animal-Microbe Symbioses
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] When a parasite becomes a beneficial symbiont: An evolutionary case study of cicadas and Ophiocordyceps fungi2019

    • Author(s)
      Matsuura Y, Vanderpool D, Araujo J.P.M, McCutcheon J.P.
    • Organizer
      Gordon Research Conference - 2019 Animal-Microbe Symbioses
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] セミ寄生性の冬虫夏草から共生菌への進化2019

    • Author(s)
      松浦 優, Araujo J, Vanderpool D, McCutcheon J.P.
    • Organizer
      日本進化学会第21回 北海道大会
    • Related Report
      2019 Annual Research Report
  • [Remarks] 働きアリと共生する新しい腸内細菌の発見

    • URL

      https://www.u-ryukyu.ac.jp/news/28839/

    • Related Report
      2020 Annual Research Report

URL: 

Published: 2019-04-18   Modified: 2025-01-30  

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