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Plasticity of the basic developmental mechanism of chordate as observed in ascidians

Research Project

Project/Area Number 25440113
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Developmental biology
Research InstitutionTokyo Metropolitan University

Principal Investigator

Saiga Hidetoshi  首都大学東京, 理工学研究科, 客員教授 (60131918)

Project Period (FY) 2013-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywordsホヤ / Hox / Otx / マボヤ / カタユウレイボヤ / Hox遺伝子 / クラスター / 進化 / 消化管 / 内胚葉索 / Hoxクラスター / 転写 / 中枢神経系 / Hox10 / Kaede
Outline of Final Research Achievements

Ascidians, a closest animal group to vertebrates, are classified into 2 groups. Ciona intestinalis (Ci) and Halocynthia roretzi (Hr) are popular ascidian species belonging to the distinct groups. However, they exhibit very similar development to form tadpole larvae. The present study focused on the Hox and Otx, which play pivotal roles in anterior-posterior and anterior patterning, respectively. We have shown the Hox gene complement and cluster structure of Hr. The Hr Hox gene complement consisted of 9 members like in Ci, and the Hr Hox gene cluster is disintegrated in Hr but in a different manner from that in Ci. As regards developmental changes in the gene regulatory mechanisms of Otx, we have found that regulatory mechanisms change as development proceeds, but the way of the change is distinct between Hr and Ci. Thus, the different genetic mechanisms produce a similar outputs, development and expression pattern, in phylogenetically remote ascidians.

Report

(6 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Products Report
  • Research Products

    (21 results)

All 2017 2016 2015 2014 2013 2012 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results,  Open Access: 3 results,  Acknowledgement Compliant: 5 results) Presentation (11 results) (of which Int'l Joint Research: 2 results) Remarks (2 results)

  • [Journal Article] The Hox gene cluster of the ascidian, Halocynthia roretzi, reveals several ancient steps of cluster disintegration during ascidian evolution2017

    • Author(s)
      Sekigami Y, Kobayashi T, Omi A, Nishitsuji K, Ikuta T, Fujiyama A, Satoh N and Saiga H
    • Journal Title

      Zoological Letters

      Volume: 3 Issue: 1

    • DOI

      10.1186/s40851-017-0078-3

    • Related Report
      Products Report
    • Peer Reviewed / Open Access
  • [Journal Article] Transcriptional regulation of a horizontally transferred gene from bacterium to chordate.2016

    • Author(s)
      Sasakura Y, Ogura Y, Treen N, Yokomori R, Park SJ, Nakai K, Saiga H, Sakuma T, Yamamoto T, Fujiwara S, Yoshida K.
    • Journal Title

      Proc Biol Sci.

      Volume: 283 Issue: 1845 Pages: 20161712-20161712

    • DOI

      10.1098/rspb.2016.1712

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Hox10-regulated endodermal cell migration is essential for development of the ascidian intestine2015

    • Author(s)
      Kawai N, Ogura Y, Ikuta T, Saiga H, Hamada M, Sakuma T, Yamamoto T, Satoh N, Sasakura Y
    • Journal Title

      Developmental Biology

      Volume: 印刷中 Issue: 1 Pages: 43-56

    • DOI

      10.1016/j.ydbio.2015.03.018

    • Related Report
      2015 Research-status Report 2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Polarization of PI3K activity initiated by ooplasmic segregation guides nuclear migration in the mesendoderm.2015

    • Author(s)
      Takatori, N., Oonuma, K., Nishida, H. and Saiga, H.
    • Journal Title

      Developmental Cell

      Volume: 35 Issue: 3 Pages: 333-343

    • DOI

      10.1016/j.devcel.2015.10.012

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Continuous expression of Otx in the anterior neural lineage is supported by different transcriptional regulatory mechanisms during the development of Halocynthia roretzi.2014

    • Author(s)
      Oonuma, K., Hirose, D., Takatori, N. and Saiga, H.
    • Journal Title

      Development, Growth & Differentiation

      Volume: 56 Issue: 2 Pages: 189-198

    • DOI

      10.1111/dgd.12118

    • Related Report
      2014 Research-status Report 2013 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Analysis of the transcription regulatory mechanism of Otx during the development of the sensory vesicle in Ciona intestinalis.2014

    • Author(s)
      Oonuma, K., Hirose, D., Takatori, N. and Saiga, H.
    • Journal Title

      Zoological Science

      Volume: 31 Issue: 9 Pages: 565-572

    • DOI

      10.2108/zs140060

    • NAID

      40020183260

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Formation of the digestive tract in Ciona intestinalis includes two distinct morphogenic processes between its anterior and posterior parts.2013

    • Author(s)
      Nakazawa, K., Yamazawa, T., Moriyama, Y., Ogura Y., Kawai N., Sasakura Y. and Saiga, H.
    • Journal Title

      Developmental Dynamics

      Volume: 242 Issue: 10 Pages: 1172-1183

    • DOI

      10.1002/dvdy.24009

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Identical genomic organization of two hemichordate hox clusters.2012

    • Author(s)
      Freeman R, Ikuta T, Wu M, Koyanagi R, Kawashima T, Tagawa K, Humphreys T, Fang GC, Fujiyama A, Saiga H, Lowe C, Worley K, Jenkins J, Schmutz J, Kirschner M, Rokhsar D, Satoh N, Gerhart J.
    • Journal Title

      Current Biology

      Volume: 22 Issue: 21 Pages: 2053-2058

    • DOI

      10.1016/j.cub.2012.08.052

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] マボヤのHox遺伝子の解析から示唆されたホヤの進化におけるHox遺伝子クラスターの崩壊過程2017

    • Author(s)
      関上 由佳, 西辻 光希, 藤山 秋佐夫, 佐藤 矩行, 西駕 秀俊
    • Organizer
      日本動物学会第88回 富山大会
    • Place of Presentation
      富山
    • Year and Date
      2017-09-21
    • Related Report
      Products Report
  • [Presentation] Analysis of the Hox gene cluster of the ascidian, Halocynthia roretzi suggests multiple steps of the cluster disintegration during the course of ascidian evolution マボヤのHox遺伝子の解析から示唆されるホヤの進化におけるHox遺伝子クラスター崩壊過程2017

    • Author(s)
      Yuka Sekigami, Takuya Kobayashi, Ai Omi, Kouki Nishitsuji, Nori Satoh, Asao Fujiyama and Hidetoshi Saiga
    • Organizer
      50th Annual Meeting - Japanese Society of Developmental Biologists
    • Place of Presentation
      船堀タワーホール(東京)
    • Year and Date
      2017-05-10
    • Related Report
      2016 Annual Research Report
  • [Presentation] Hox gene cluster structure in Halocynthia roretzi genome.2015

    • Author(s)
      Sekigami, Y., Fujiyama, A., Satoh, N. and Saiga, H.
    • Organizer
      The 8th International Tunicate Meeting
    • Place of Presentation
      Aomori
    • Year and Date
      2015-07-13
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Formation of the digestive tract in Ciona intestinalis includes distinct morphogenetic processes between its anterior and posterior parts.2015

    • Author(s)
      Nakazawa, K., Yamazawa, T., Moriyama, Y.,Ogura, Y., Kawai, N., Sasakura, Y. and Saiga, H.
    • Organizer
      The 8th International Tunicate Meeting
    • Place of Presentation
      Aomori
    • Year and Date
      2015-07-13
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Hox gene cluster structure in Halocynthia roretzi genome.2015

    • Author(s)
      Sekigami, Y., Kobayashi, T., Omi, A., Ikuta, T., Fujiyama, A., Satoh, N. and Saiga, H.
    • Organizer
      The 48th Annual Meeting of the Japanese Society of Developmental Biologists
    • Place of Presentation
      筑波
    • Year and Date
      2015-06-02
    • Related Report
      2015 Research-status Report
  • [Presentation] 2種のホヤの神経管の発生におけるOtx遺伝子の比較解析 Analysis of the transcription regulatory mechanisms of Otx gene in the developing neural tube of two ascidians.2014

    • Author(s)
      大沼耕平,高鳥直士,西駕秀俊
    • Organizer
      日本動物学会第85回大会
    • Place of Presentation
      仙台
    • Year and Date
      2014-09-11 – 2014-09-13
    • Related Report
      2014 Research-status Report
  • [Presentation] Analysis of the transcription regulatory mechanism of Otx gene in the cells to form the neural tube in two ascidian species, Halocynthia roretzi and Ciona intestinalis.2014

    • Author(s)
      Oonuma, K., Takatori, N. and Saiga, H.
    • Organizer
      The 47th Annual Meeting of the Japanese Society of Developmental Biologists
    • Place of Presentation
      Nagoya
    • Year and Date
      2014-05-27 – 2014-05-30
    • Related Report
      2014 Research-status Report
  • [Presentation] Hox gene cluster structure in the genome of Halocynthia roretzi.2013

    • Author(s)
      Sekigami, Y., Kobayashi,T., Omi, A., Ikuta, T., Fujiyama, A., Satoh, N. and Saiga, H.
    • Organizer
      The 46th Annual Meeting of the Japanese Society of Developmental Biologists
    • Place of Presentation
      Matsue
    • Related Report
      2013 Research-status Report
  • [Presentation] Formation of the digestive tract in Ciona intestinalis includes two distinct morphogenic processes between its anterior and posterior parts.2013

    • Author(s)
      Nakazawa, K., Yamazawa, T., Moriyama, Y., Ogura, Y., Kawai, N., Sasakura, Y. and Saiga, H.
    • Organizer
      The 46th Annual Meeting of the Japanese Society of Developmental Biologists
    • Place of Presentation
      Matsue
    • Related Report
      2013 Research-status Report
  • [Presentation] ホヤの脳胞の発生におけるOtx遺伝子の転写制御機構と保存性の解析 Analysis of the transcriptional regulatory mechanism of Otx in the sensory vesicle development and of its conservation between two ascidian species.2013

    • Author(s)
      大沼耕平,高鳥直士,西駕秀俊
    • Organizer
      日本動物学会第84回大会
    • Place of Presentation
      岡山
    • Related Report
      2013 Research-status Report
  • [Presentation] Analysis of transcriptional regulatory mechanisms of Otx in the developing central nervous system of the ascidian, Halocynthia roretzi.2013

    • Author(s)
      Morita, C., Takatori, N. and Saiga, H.
    • Organizer
      第36回日本分子生物学会年会
    • Place of Presentation
      Kobe
    • Related Report
      2013 Research-status Report
  • [Remarks] 首都大学東京 生命科学専攻 発生生物学研究室

    • URL

      http://www.biol.se.tmu.ac.jp/labo.asp?ID=devpro

    • Related Report
      2015 Research-status Report
  • [Remarks] 首都大学東京 理工学研究科 生命科学専攻 発生生物学研究室

    • URL

      http://www.biol.se.tmu.ac.jp/labo.asp?ID=devpro

    • Related Report
      2014 Research-status Report

URL: 

Published: 2014-07-25   Modified: 2019-07-29  

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