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Phylogenetic study on the cyclostomes, with special attention to the differentiation of primitive complement components

Research Project

Project/Area Number 17570085
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Biodiversity/Systematics
Research InstitutionPrefectural University of Hiroshima

Principal Investigator

FUJII Tamotsu  Prefectural University of Hiroshima, 人間文化学部, 教授 (10181314)

Co-Investigator(Kenkyū-buntansha) SUGAWARA Yoshiaki  県立広島大学, 人間文化学部, 教授 (30154462)
Research Collaborator TAKAMUNE Kazufumi  熊本大学, 大学院・自然科学研究科, 准教授 (20206882)
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,020,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2006: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2005: ¥1,500,000 (Direct Cost: ¥1,500,000)
Keywords円口類 / メクラウナギ類 / ヌタウナギ / 補体レクチン経路 / 生体防御レクチン / マンノース結合レクチン関連セリンプロテアーゼ(MASP) / 自然免疫 / 抗原認識 / レクチン / 免疫系の進化 / 補体系 / レクチン経路 / マンノース結合タンパク質 / MASP-3
Research Abstract

円口類ヌタウナギの生体防御に関わる分子群について調べ、補体系レクチン経路で働くと予想されるセリンプロテアーゼMASP-1とMASP-3が存在すること、及びそれらの遺伝子構造がナメクジウオやヒトと同じであることを明らかにした。次に抗原認識分子として複数の候補分子を見出し、その何れもがホヤとヤツメウナギで見出された抗原認識分子の中間の性質を持つことを示唆する結果を得た。このことは、進化上ヤツメウナギよりも早い時期にヌタウナギが分岐したことを示唆するものである。

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (6 results)

All 2007 2006 2005

All Journal Article (5 results) (of which Peer Reviewed: 2 results) Presentation (1 results)

  • [Journal Article] Conference Report.Report of the 18^<th>scientific meeting of the Japanese Association for Developmental and Comparative Immunology(JADCI)(Local Organizer:Tamotsu Fujii)2007

    • Author(s)
      Fujii, T. and E. Masuyama
    • Journal Title

      Developmental and Comparative Immunology 31

      Pages: 150-156

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Report of the 18^<th> scientific meeting of the Japanese Association for Developmental and Comparative Immunology (JADCI).2007

    • Author(s)
      Tamotsu Fujii
    • Journal Title

      Developmental and Comparative Immunology 31(in press)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 円口類ヌタウナギ補体成分MASP-3遺伝子の同定2006

    • Author(s)
      藤井 保
    • Journal Title

      日本比較免疫学会第18回学術集会講演要旨集

      Pages: 23-23

    • Related Report
      2006 Annual Research Report
  • [Journal Article] cDNA cloning of a mannose-binding lectin-associated serine protease(MASP)gene from Hagfish(Eptatretus burgeri)2005

    • Author(s)
      Song, L., Takamune, K., Sugawara, Y. & Fujii, T.
    • Journal Title

      Zool. Sci. Vol.22

      Pages: 897-904

    • NAID

      110006281868

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] cDNA cloning of a mannose-bindinglectin-associated serine protease (MASP) gene from hagfish (Eptatretus burgeri).2005

    • Author(s)
      Liqiu Song
    • Journal Title

      Zoological Science 22・8

      Pages: 897-904

    • Related Report
      2005 Annual Research Report
  • [Presentation] 円口類ヌタウナギ補体成分MASP-3遺伝子の同定2006

    • Author(s)
      高宗和史、近藤昌和、稲川裕之、高橋幸則、菅原芳明、藤井保
    • Organizer
      日本比較免疫学会第18回学術集会
    • Place of Presentation
      広島
    • Year and Date
      2006-08-24
    • Related Report
      2008 Final Research Report

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Published: 2005-04-01   Modified: 2016-04-21  

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