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Interrelationship between geological settings, geochemical environments and energy metabolisms supporting early evolution of life in the Precambrian Eon

Research Project

Project/Area Number 18684027
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Geology
Research InstitutionJapan Agency for Marine-Earth Science and Technology

Principal Investigator

TAKAI Ken  Japan Agency for Marine-Earth Science and Technology, 極限環境生物圏研究センター, プログラムディレクター (80359166)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥20,410,000 (Direct Cost: ¥15,700,000、Indirect Cost: ¥4,710,000)
Fiscal Year 2008: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2007: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2006: ¥13,130,000 (Direct Cost: ¥10,100,000、Indirect Cost: ¥3,030,000)
Keywords生命の起源 / 初期生命進化 / 熱水活動 / 冥王代 / 太古代 / 超マフィック岩 / 水素生成 / エネルギー代謝 / メタン菌 / 地下生命圏 / 超好熱性
Research Abstract

始生代地球における初期生命進化を導いた地質-生物相互作用としての独創的かつ魅力的な「UltraH^3リンケージ」作業仮説を発表した。フィールドワークに基づく検証では、大西洋中央海嶺のRainbowフィールドとインド洋中央海嶺KaireiフィールドにおけるUltraH^3リンケージを実証した。また実験に基づく検証では、世界で初めて「始生代超マフィック岩」であるコマチアイトの熱水反応より水素が生成することを証明した。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (24 results)

All 2009 2008 2007 2006

All Journal Article (11 results) (of which Peer Reviewed: 7 results) Presentation (11 results) Book (2 results)

  • [Journal Article] Serpentinized troctolites exposed near the Kairei Hydrothermal Field, Central Indian Ridge : Insights into the origin of the Kairei hydrothermal fluid supporting a unique microbial ecosystem2009

    • Author(s)
      Nakamura, K., et al. (6^<th> author)
    • Journal Title

      Earth Planet. Sci. Lett. 280

      Pages: 128-136

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Igneous, alteration and exhumation processes recorded in abyssal peridotites and related fault rocks from an oceanic core complex along the Central Indian Ridge2009

    • Author(s)
      Morishita, T., et al. (8^<th> author)
    • Journal Title

      J. Petrol. (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Igneous, alteration and exhumation processes recorded in abyssal peridotites and related fault rocks from an oceanic core complex along the Central Indian Ridge.2009

    • Author(s)
      Morishita, T., et al.
    • Journal Title

      Journal of Petrology (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Serpentinized troctolites exposed near the Kairei Hydrothermal Field, Central Indian Ridged Insights into the origin of the Kairei hydrothermal fluid supporting a unique microbial ecosystem.2009

    • Author(s)
      Nakamura, K., et al.
    • Journal Title

      Earth and Planetary Sciences Letter (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Geological background of the Kairei and Edmond hydrothermal fields along the Central Indian Ridge : implications of their vent fluids' distinct chemistry2008

    • Author(s)
      Kumagai, H., et al. (15^<th> author)
    • Journal Title

      Geofluid 8

      Pages: 239-251

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Geological background of the Kairei and Edmond hydrothermal fields al ong the Central Indian Ridge: implications of their vent fluids' distinct chemistry.2008

    • Author(s)
      Kumagai, H., et al.
    • Journal Title

      Geofluid 8

      Pages: 239-251

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 熱水循環が支える海底下微生物生態系2008

    • Author(s)
      高井研
    • Journal Title

      バイオインダストリー 25

      Pages: 18-26

    • Related Report
      2008 Annual Research Report
  • [Journal Article] エネルギー代謝の進化から見た初期生命進化-UltraH3 リンケージ仮説2007

    • Author(s)
      高井 研、他
    • Journal Title

      生物の科学 遺伝 vol. 61, No. 6

      Pages: 28-36

    • Related Report
      2008 Final Research Report
  • [Journal Article] エネルギ-代謝の進化から見た初期生命進化-UltraH^3リンケージ仮説2007

    • Author(s)
      高井 研
    • Journal Title

      生物の科学 遺伝 61

      Pages: 28-36

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Ultramafics-Hydrothermalism-Hydrogenesis-HyperSLiME (UltraH3) linkage : a key insight into early microbial ecosystem in the Archean deep-sea hydrothermal systems2007

    • Author(s)
      Ken Takai, Kentaro Nakamura, Katsuhiko Suzuki, Fumio Inagaki, Kenneath H. Nealson, Hidenori Kumagai
    • Journal Title

      Paleontological Research 10・4

      Pages: 269-282

    • NAID

      110006196898

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Ultramafics-Hydrothermalism-Hydrogenesis-HyperSLiME (UltraH3) linkage : a key insight into early microbial ecosystem in the Archean deep-sea hydrothermal systems2006

    • Author(s)
      Takai, K., et al.
    • Journal Title

      Paleontological Res. 10

      Pages: 269-282

    • NAID

      110006196898

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] 極限環境微生物から見える生命(圏)の限界とhabitability2008

    • Author(s)
      Takai, K.
    • Organizer
      2008年度日本極限環境生物学会第8回年会
    • Place of Presentation
      立教大学
    • Year and Date
      2008-11-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 先カンブリア代の知られざる大進化:地球最古の生態系誕生から多細胞生物の誕生まで2008

    • Author(s)
      Takai, K.
    • Organizer
      日本地質学会第115年学術大会
    • Place of Presentation
      秋田大学手形キャンパス
    • Year and Date
      2008-10-22
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 最古の生態系はどのような熱水系で繁栄したか:ウルトラエッチキューブリンケージ仮説2008

    • Author(s)
      Takai, K.
    • Organizer
      2008年度日本地球化学会第55回年会
    • Place of Presentation
      東京大学駒場キャンパス
    • Year and Date
      2008-10-17
    • Related Report
      2008 Final Research Report
  • [Presentation] 最古の生態系はどのような熱水系で繁栄したか:ウルトラエッチキューブリンケージ仮説2008

    • Author(s)
      高井研
    • Organizer
      2008年度日本地球化学会
    • Place of Presentation
      東京大学駒場キャンパス
    • Year and Date
      2008-09-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] Serpentinized olivine-rich gabbros near the Kairei Hydrothermal Field, Central Indian Ridge : A key to understanding the unique chemistry of the vent fluid2008

    • Author(s)
      Nakamura, K., et al. (3^<rd> author)
    • Organizer
      Goldschmidt 2008 - "from Sea to Sky"
    • Place of Presentation
      Vancouver, Canada
    • Year and Date
      2008-07-15
    • Related Report
      2008 Final Research Report
  • [Presentation] アストロバイオロジーとアーキア:極限環境におけるアーキアのポテンシャル2008

    • Author(s)
      Takai, K.
    • Organizer
      第20回日本Archaea研究会
    • Place of Presentation
      那覇
    • Year and Date
      2008-07-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Methanogenesis at 122℃ under high pressure produces isotopically 'abnormal'methane2007

    • Author(s)
      Takai, K
    • Organizer
      Thermophiles2007
    • Place of Presentation
      ベルゲン、ノルウェー
    • Year and Date
      2007-09-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] Diversity of chemolithoautotrophs associated with hot hydrothermal fluid chemistry2007

    • Author(s)
      Takai, K.
    • Organizer
      IRTI Biogeochemical Interaction at deep-seavents
    • Place of Presentation
      Woods Hole, MA
    • Year and Date
      2007-09-10
    • Related Report
      2008 Final Research Report
  • [Presentation] 深海・地殻内微生物活動の模擬現場環境条件下解析法(高井法)の開発と応用2007

    • Author(s)
      高井研、中村謙太郎、土岐知弘、角皆潤
    • Organizer
      2007年地球惑星合同大会年会
    • Year and Date
      2007-05-24
    • Related Report
      2008 Final Research Report
  • [Presentation] Ultramafics-Hydrothermalism-Hydrogene sis-HyperSLiME (UltraH3) linkage : a key insight into early microbial ecosystem in the Archean deep-sea hydrothermal systems2006

    • Author(s)
      Ken Takai
    • Organizer
      Extremophiles 2006
    • Place of Presentation
      Brest, France
    • Year and Date
      2006-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Ultramafics-Hydrothermalism-Hydrogene sis-HyperSLiME (UltraH3) linkage : a key insight into early microbial ecosystem in the Archean deep-sea hydrothermal systems2006

    • Author(s)
      Ken Takai
    • Organizer
      2nd Okazaki Biological Conference
    • Place of Presentation
      Okazaki, Japan
    • Year and Date
      2006-09-13
    • Related Report
      2008 Final Research Report
  • [Book] 「深海に四〇億年前の世界を見た!」 爆笑問題のニッポンの教養 File 172008

    • Author(s)
      爆笑問題、高井 研
    • Publisher
      講談社
    • Related Report
      2008 Final Research Report
  • [Book] 「深海に四〇億年前の世界を見た!」2008

    • Author(s)
      爆笑問題
    • Total Pages
      138
    • Publisher
      講談社
    • Related Report
      2008 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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