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Origin and phylogeny of Scaptomyza (Diptera: Drosophilidae)

Research Project

Project/Area Number 24570092
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Biodiversity/Systematics
Research InstitutionHokkaido University

Principal Investigator

KATOH Toru  北海道大学, 理学(系)研究科(研究院), 助教 (80374198)

Co-Investigator(Kenkyū-buntansha) DICK Matthew. H.  北海道大学, 大学院理学研究院, 非常勤講師 (80374205)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords分子系統 / ショウジョウバエ / 分岐年代 / 祖先分布 / Scaptomyza
Outline of Final Research Achievements

The genus Scaptomyza is one of the incredibly diversified groups in the family Drosophilidae, in which about 60% species are endemic to Hawaiian Islands while the remaining species are distributed in continents. There have been two alternative hypotheses for the origin of Scaptomyza. One is that the genus originated in Hawaii and subsequently diversified in continents, another is that these species originated in continents and subsequently colonized in Hawaii. In order to verify this problem, we determined the nucleotide sequences of 11 genes for the 11 species of Scaptomyza. Together with the homologous sequences for 79 species, we reconstructed the phylogenetic trees and then inferred the ancestral distributions and divergence times. Our results revealed that Scaptomyza would have originated outside Hawaii, supporting the continental origin hypothesis. In addition, our results revealed that the migration of Scaptomyza from continents to Hawaii would have occurred twice independently.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (9 results)

All 2014 2013 2012 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results) Remarks (5 results)

  • [Journal Article] Colocasiomyia (Diptera: Drosophilidae) revised phylogenetically, with a new species group having peculiar life cycles on monsteroid (Araceae) host plants.2013

    • Author(s)
      Fartyal, R. S., Gao, J.-j., Toda, M. J., Hu, Y.-g., Takenaka Takano, K., Suwito, A., Katoh, T., Takigahira, T. & Yin, J.-t.
    • Journal Title

      Systematic Entomology

      Volume: 38 Issue: 4 Pages: 763-782

    • DOI

      10.1111/syen.12027

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] Scaptomyza属ショウジョウバエの系統進化2014

    • Author(s)
      加藤徹,山下伸志,福田洋之,Matthew H. Dick,和多田正義
    • Organizer
      日本昆虫学会第74回大会
    • Place of Presentation
      広島大学(広島県東広島市)
    • Year and Date
      2014-09-14 – 2014-09-16
    • Related Report
      2014 Annual Research Report
  • [Presentation] Drosophila亜属の系統と進化 -quinaria sectionのショウジョウバエを中心に-2012

    • Author(s)
      加藤 徹・福田洋之・越川滋行
    • Organizer
      日本進化学会
    • Place of Presentation
      首都大学東京(八王子市)
    • Related Report
      2012 Research-status Report
  • [Presentation] Scaptomyza属ショウジョウバエの起源と系統関係2012

    • Author(s)
      加藤 徹・山下伸志・和多田正義
    • Organizer
      日本遺伝学会
    • Place of Presentation
      九州大学(福岡市)
    • Related Report
      2012 Research-status Report
  • [Remarks] Toru Katoh

    • URL

      http://www.sci.hokudai.ac.jp/~tkatoh/

    • Related Report
      2014 Annual Research Report
  • [Remarks] Toru Katoh - ResearchGate

    • URL

      http://www.researchgate.net/profile/Toru_Katoh

    • Related Report
      2014 Annual Research Report
  • [Remarks] Toru Katoh

    • URL

      http://www.sci.hokudai.ac.jp/~tkatoh/

    • Related Report
      2013 Research-status Report
  • [Remarks] Toru Katoh - ResearchGate

    • URL

      http://www.researchgate.net/profile/Toru_Katoh

    • Related Report
      2013 Research-status Report
  • [Remarks] Toru Katoh, Ph.D.

    • URL

      http://www.sci.hokudai.ac.jp/~tkatoh/

    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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