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Recognition of herbivory risk in seeds

Research Project

Project/Area Number 19H03295
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 45040:Ecology and environment-related
Research InstitutionHirosaki University

Principal Investigator

Yamawo Akira  弘前大学, 農学生命科学部, 准教授 (50727691)

Co-Investigator(Kenkyū-buntansha) 澤 進一郎  熊本大学, 大学院先端科学研究部(理), 教授 (00315748)
向井 裕美  国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員 等 (70747766)
石川 勇人  千葉大学, 大学院薬学研究院, 教授 (80453827)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
Fiscal Year 2022: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2021: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2020: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Fiscal Year 2019: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Keywords環境応答 / 種子 / 発芽 / 植食者 / シグナル分子 / 芽生え / トレハロース / アブシジン酸 / 植物ー動物相互作用 / 種子発芽 / 環境認識 / 捕食者認識 / 被食ー捕食 / 環境情報 / 被食回避
Outline of Research at the Start

申請者は、オオバコの種子が、芽生えを食べるダンゴムシ類の排泄物が存在する条件では休眠し、排泄物が除去されると発芽することを発見した。この現象は、種子が植食者の存在という生物的環境情報を植食者の糞を介して識別し、発芽タイミングを調節し、被食を免れていることを意味している。本研究では、植食者の排泄物に対する種子の応答について①種子が受容するキューの特定、②自然選択の評価、③普遍性の検証、④分子メカニズムの推定を通して、植物の種子における被食環境認識による被食回避戦略の存在を実証する。

Outline of Final Research Achievements

Animals often use excrement as source of information. Here, we demonstrate that plant seeds alter their germination timing in response to the presence of herbivore excrement, and that this response reduces herbivory after germination. Specifically, Plantago asiatica seeds did not germinate when exposed to chemical cues contained in excrement from herbivores that had consumed adult P. asiatica leaves. After removal of the herbivore excrement, the P. asiatica seeds germinated rapidly. These changes in germination timing increased P. asiatica survival rates in the field. Exposure to two bioactive chemicals (D-trehalose and abscisic acid) contained in excrement from herbivores that had consumed adult P. asiatica leaves was sufficient to delay germination. Thus, our study identifies a novel cross-generational communication mechanism in plants mediated through herbivory, and indicates that plants use animal excrement as a source of information.

Academic Significance and Societal Importance of the Research Achievements

植物の生物的環境への適応については、栄養成長段階や繁殖段階において精力的に研究され、それぞれ被食防御戦略の研究や動物―植物相互作用研究、送粉生物学など生物学や生態学、植物学の中心的な課題として扱われてきた。本研究により、種子発芽という最も根本的な成長段階において、これまで見過ごされてきた新たな植物の適応進化の階層が存在することを明らかにした。また、植物学において中心的な研究対象である植物の環境受容や発芽制御において新規のシステムを提示することができた。

Report

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

    (33 results)

All 2023 2022 2021 2020 2019

All Journal Article (15 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 15 results,  Open Access: 2 results) Presentation (16 results) (of which Int'l Joint Research: 4 results,  Invited: 11 results) Book (2 results)

  • [Journal Article] Effects of indirect plant?plant interaction via root exudate on growth and leaf chemical contents in <i>Rumex obtusifolius</i>2022

    • Author(s)
      Ohsaki Haruna、Yamawo Akira
    • Journal Title

      Plant Signaling &amp; Behavior

      Volume: 17 Issue: 1 Pages: 2050628-2050628

    • DOI

      10.1080/15592324.2022.2050628

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Intraspecific interaction of host plants leads to concentrated distribution of a specialist herbivore through metabolic alterations in the leaves2021

    • Author(s)
      Ohsaki Haruna、Miyagi Atsuko、Kawai‐Yamada Maki、Yamawo Akira
    • Journal Title

      Functional Ecology

      Volume: 36 Issue: 3 Pages: 779-793

    • DOI

      10.1111/1365-2435.13988

    • Related Report
      2021 Annual Research Report 2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 植物における情報処理と柔軟な応答. 計測と制御2021

    • Author(s)
      山尾 僚, 向井裕美, 塩尻かおり
    • Journal Title

      計測と制御

      Volume: 61

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Intraspecific competition favors ant-plant protective mutualism2021

    • Author(s)
      Yamawo Akira
    • Journal Title

      Plant Species Biology

      Volume: 36 Issue: 3 Pages: 372-378

    • DOI

      10.1111/1442-1984.12331

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Aboveground plant-to-plant communication reduces root nodule symbiosis and soil nutrient concentrations2021

    • Author(s)
      Takahashi Yuta、Shiojiri Kaori、Yamawo Akira
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 12675-12675

    • DOI

      10.1038/s41598-021-92123-0

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Species diversity and biological trait function: Effectiveness of ant?plant mutualism decreases as ant species diversity increases2021

    • Author(s)
      Yamawo Akira、Suzuki Nobuhiko、Tagawa Jun
    • Journal Title

      Functional Ecology

      Volume: 35 Issue: 9 Pages: 2012-2025

    • DOI

      10.1111/1365-2435.13859

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Night interruption provides evidence for photoperiodic regulation of bud burst in Japanese beech, <i>Fagus crenata</i>2021

    • Author(s)
      Ohno Misuzu、Yamawo Akira
    • Journal Title

      Plant Signaling &amp; Behavior

      Volume: 16 Issue: 12 Pages: 1982562-1982562

    • DOI

      10.1080/15592324.2021.1982562

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Functional roles of ants in a temperate grassland2021

    • Author(s)
      Ohwada Kouichi、Yamawo Akira
    • Journal Title

      The Science of Nature

      Volume: 108 Issue: 6 Pages: 56-56

    • DOI

      10.1007/s00114-021-01767-5

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Seed dispersal by the omnivorous ant Tetramorium tsushimae Emery (Formicidae) in three common weed species.2020

    • Author(s)
      Ohtsuka S., Hada Y., Nakamura K., Yamawo A*., Tagawa J.
    • Journal Title

      Arthropod-Plant Interactions

      Volume: 14 Issue: 2 Pages: 251-261

    • DOI

      10.1007/s11829-019-09734-8

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Outcome of interspecific competition depends on genotype of conspecific neighbours.2020

    • Author(s)
      Yamawo Akira, Mukai Hiromi
    • Journal Title

      Oecologia

      Volume: -

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Biochemical Recognition in Seeds: Germination of Rumex obtusifolius is promoted by leaves of facilitative adult conspecifics2020

    • Author(s)
      Ohsaki Haruna, Mukai Hiromi, Yamawo Akira
    • Journal Title

      Plant Species Biology

      Volume: -

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Competitive responses based on kin-discrimination underlie variations in leaf functional traits in Japanese beech (Fagus crenata) seedlings2019

    • Author(s)
      Hiroshi Takigahira & Akira Yamawo
    • Journal Title

      Evolutionary Ecology

      Volume: 33 Issue: 4 Pages: 521-531

    • DOI

      10.1007/s10682-019-09990-3

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Extrafloral nectary-bearing plant Mallotus japonicus uses different types of extrafloral nectaries to establish effective defense by ants2019

    • Author(s)
      Akira Yamawo, Nobuhiko Suzuki & Jun Tagawa
    • Journal Title

      Journal of Plant Research

      Volume: 132 Issue: 4 Pages: 499-507

    • DOI

      10.1007/s10265-019-01119-5

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Damage to leaf veins suppresses root foraging precision2019

    • Author(s)
      Yamawo Akira、Ohsaki Haruna、Cahill James F.
    • Journal Title

      American Journal of Botany

      Volume: 106 Issue: 8 Pages: 1126-1130

    • DOI

      10.1002/ajb2.1338

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Self/non-self and conspecies discrimination ability in tendril vines2019

    • Author(s)
      山尾 僚,深野祐也
    • Journal Title

      JAPANESE JOURNAL OF ECOLOGY

      Volume: 69 Issue: 2 Pages: 93-98

    • DOI

      10.18960/seitai.69.2_93

    • NAID

      130007688897

    • ISSN
      0021-5007, 2424-127X
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Presentation] Conditional strategies through kin recognition under the tragedy of the common games in plants2022

    • Author(s)
      Bo-moonK IM, Akira YAMAWO, Yuuya TACHIKI
    • Organizer
      第69回日本生態学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] VOCsによる地上部の植物間コミュニケーションが地下部生物間相互作用に与える影響2022

    • Author(s)
      塩尻かおり・山尾僚
    • Organizer
      植物生理学会シンポジウム
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 植物間相互作用における他個体認識の役割2022

    • Author(s)
      山尾僚
    • Organizer
      第69回日本生態学会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 植物の環境応答と動物―植物相互作用2021

    • Author(s)
      山尾僚
    • Organizer
      個体群生態学会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 血縁認識による、草本群集の多種共存促進機構2020

    • Author(s)
      山尾僚、立木祐也
    • Organizer
      日本数理生物学会
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 植物の自己・非自己認識に基づく柔軟な応答2020

    • Author(s)
      山尾僚
    • Organizer
      第50回日本皮膚免疫アレルギー学会総会学術大会シンポジウム
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 植物にょる共生者の行動操作2020

    • Author(s)
      山尾僚
    • Organizer
      第52回種生物学会シンポジウム
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 動物-植物相互作用における種内相互作用の間接効果2020

    • Author(s)
      山尾僚
    • Organizer
      第67回日本生態学会
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 動物-植物相互作用における種内相互作用の間接効果.2020

    • Author(s)
      山尾僚
    • Organizer
      第67回日本生態学会自由集会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 草地におけるアリ類の減少が地表徘徊性動物にもたらす効果.2020

    • Author(s)
      大和田光一・山尾僚.
    • Organizer
      第67回日本生態学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 種子における被食環境の認識2019

    • Author(s)
      山尾僚
    • Organizer
      応用動物昆虫学会企画シンポジウム
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 植物の個体間相互作用における自己・非自己認識の役割2019

    • Author(s)
      山尾僚
    • Organizer
      日本分子生物学会ワークショップ
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Variation in competition environment of host plants promotes resource partition of leaf beetles.2019

    • Author(s)
      Ohsaki H., Yamawo A.
    • Organizer
      A.E.E.B.: Evolutionary Biology Meeting,
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Self-discrimination in wild plants.2019

    • Author(s)
      Yamawo A.
    • Organizer
      A.E.E.B.: Evolutionary Biology Meeting,
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 草地におけるアリ類の減少は何をもたらすのか?-地表徘徊性生物に着目して―.2019

    • Author(s)
      大和田光一・山尾僚
    • Organizer
      第79回日本昆虫学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 草地におけるアリ類とナメクジ類の餌資源を巡る競合関係の解明.2019

    • Author(s)
      大和田光一・山尾僚
    • Organizer
      日本生態学会東北地区大会
    • Related Report
      2019 Annual Research Report
  • [Book] 植物の行動生態学:感じて、伝えて、記憶し、応答する植物たち.2023

    • Author(s)
      山尾 僚,川窪伸光
    • Total Pages
      224
    • Publisher
      文一出版社
    • ISBN
      9784829962091
    • Related Report
      2022 Annual Research Report
  • [Book] 生き物と音の辞典 (高梨琢磨編)2019

    • Author(s)
      山尾 僚
    • Publisher
      朝倉書店
    • ISBN
      9784254171679
    • Related Report
      2019 Annual Research Report

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Published: 2019-04-18   Modified: 2024-01-30  

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