The origin of Dinoflagellate lens-eye from DNA and morphology

2008 Fiscal Year Final Research Report

• Project/Area Number: 19570007
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Genetics/Genome dynamics
• Research Institution: National Institute of Genetics
• Principal Investigator: IKEO Kazuho National Institute of Genetics, 生命情報・DDBJ 研究センター, 准教授 (20249949)
• Project Period (FY): 2007 – 2008
• Keywords: 進化遺伝 / ゲノム

Research Abstract

渦鞭毛虫のうちレンズ型の眼を持つもの3種を採集し、cDNA ライブラリの作成を終了した。その結果、幾つかの眼に関係する遺伝子候補を発見した。詳細に関しては、現在、論文を準備中である。また、免疫染色により渦鞭毛虫におけるタンパク質の局在を調べたところ、これらのうちのいくつかは、眼に局在もしくは偏在していることが示唆されており、渦鞭毛虫のレンズを持つ器官は、少なくとも機能性分子のレベルでは、他の生物種のレンズ眼に対応する可能性が示唆された。

Research Products

• [Journal Article] Optimized ancestral state reconstruction using Sankoff parsimony (2009)
  • Author(s): Clemente, JC., Ikeo, K., Valiente, G., Gojobori, T.
  • Journal Title: BMC Bioinformatics Feb 7;10:51 Pages: 10-51
• [Journal Article] Evolutionary origin of the vertebrate blood complement and coagulation systems inferred from liver EST analysis of lamprey (2008)
  • Author(s): Kimura, A., Ikeo, K., Nonaka, M.
  • Journal Title: Dev Comp Immunol 33 Pages: 77-87
• [Journal Article] The evolutionary relationship between gene duplication and alternative splicing (2008)
  • Author(s): Jin, L., Ikeo, K., et. Al.
  • Journal Title: Gene Dec 31;427(1-2) Pages: 19-31
• [Journal Article] Cilium evolution: identification of a novel protein, nematocilin, in the mechanosensory cilium of Hydra nematocytes (2008)
  • Author(s): Hwang, JS., Takaku, Y., Chapman, J., Ikeo, K., David, CN. And Gojobori, T.
  • Journal Title: Mol. Biol. Evol. 25(9) Pages: 2009-2017
• [Journal Article] Evola: Ortholog Database of all human genes in H-InvDB with manual curation of phylogenetic trees (2008)
  • Author(s): Matsuya, A., Ikeo, K., et. Al.
  • Journal Title: Nucleic Acids Res. Jan;36 (Database issue) Pages: 787-792
• [Journal Article] Insertional mutagenesis by the Tol2 transposon-mediated enhancer trap approach generated mutations in two developmental genes: tcf7 and synembryn-like (2008)
  • Author(s): Nagayoshi, S., Ikeo, K., et. Al.
  • Journal Title: Development Jan;135(1) Pages: 159-169
• [Journal Article] A Web-Based Interactive Developmental Table for the Ascidian Ciona intestinalis, Including 3D Real-Image Embryo Reconstructions: I. From Fertilized Egg to Hatching Larva (2007)
  • Author(s): Hotta, K., Mitsuhara, Kenta., Takahashi, H., Inaba, K., Oka, K., Gojobori, T., Ikeo, K.
  • Journal Title: Developmental Dynamics 236 Pages: 1790-1805
• [Journal Article] The evolutionary emergence of cell type-specific genes inferred from the gene expression analysis of Hydra (2007)
  • Author(s): Hwang, JS., Ikeo, K., et. Al.
  • Journal Title: Proc Natl Acad Sci USA 11;107(37) Pages: 14735-14740
• [Journal Article] Transcriptional interferences in cis natural antisense transcripts of humans and mice (2007)
  • Author(s): Osato, N. Suzuki, Y. Ikeo, K. And Gojobori, T.
  • Journal Title: Genetics 176(2) Pages: 1299-1306
• [Presentation] Is there a common origin between cnidarian and dinoflagellate nematocysts (2008)
  • Author(s): Hwang, JS., Ikeo, K., et.al.
  • Organizer: 12th Evolutionary Biology Meeting 2008
  • Place of Presentation: France
  • Year and Date: 2008-09-24
• [Presentation] Evolution of nervous system from the viewpoint of comparative genomic and gene expressionics (2008)
  • Author(s): Gojobori, T., Hwang, JS., Hayakawa, S., Noda, AO., Imanishi, T., Takaku, Y., Mineta, K., Ikeo, K.
  • Organizer: International Congress of Genetics
  • Place of Presentation: Germany
  • Year and Date: 2008-07-12
• [Presentation] molecular anatomy の試み - 遺伝子データと形態データ (2008)
  • Author(s): 池尾 一穂
  • Organizer: 第113 回日本解剖学会総会・全国学術集会
  • Place of Presentation: 大分大学医学部(大分県由布)
  • Year and Date: 2008-03-28
• [Presentation] Evolution of Eyetowards the origin of sensory organ (2008)
  • Author(s): Ikeo, K.
  • Organizer: 遺伝研国際シンポジウム:ゲノム進化の新視点から基礎生命活動を探る
  • Place of Presentation: 如水会館(東京都千代田区)
  • Year and Date: 2008-03-27
• [Presentation] Search for the evolutionary origin of protozoan lens-eye (2008)
  • Author(s): Hayakawa, S., Ikeo, K., et.al.
  • Organizer: The 12th Conference of Peace through Mind Brain
  • Place of Presentation: 静岡県浜松市
  • Year and Date: 2008-02-07
• [Presentation] 生物研究におけるデータベースの位置づけ (2007)
  • Author(s): 池尾 一穂
  • Organizer: 第三回マリンバイオ先端セミナー
  • Place of Presentation: 筑波大学下田臨海実験センター(静岡県下田市)
  • Year and Date: 2007-12-20
• [Presentation] 遺伝子発現データを用いたネットワーク構築の実際 (2007)
  • Author(s): 池尾 一穂
  • Organizer: 沼津バイオインフォマティクス講座
  • Place of Presentation: 沼津産業振興プラザ(静岡県沼津)
  • Year and Date: 2007-11-17
• [Presentation] Large Scale screening of human transcriptome: An Introduction of Human Genome Network Project (2007)
  • Author(s): Ikeo, K.
  • Organizer: Bose Institute Bioinformatics Centre
  • Place of Presentation: Kolkata, India
  • Year and Date: 2007-08-24
• [Presentation] Large Scale screening of human transcriptome: An Introduction of Human Genome Network Project (2007)
  • Author(s): Ikeo, K.
  • Organizer: Symposium on Trends in Human Genetics
  • Place of Presentation: Toshali Sands (Orissa, India)
  • Year and Date: 2007-08-21
• [Presentation] The proposal of gene expression data for molecular evolution as an example using the GNP platform (2007)
  • Author(s): Ikeo, K.
  • Organizer: SMBE 2007 Annual Meeting
  • Place of Presentation: Dalhousie University (Halifax, Canada)
  • Year and Date: 2007-06-28
• [Book] Gene Expression in the brain and central nervous system in planarians. Planaria: A Model for Drug Action and Abuse, (Edited by Robert B. Raffa and Scott M. Rawls) (2008)
  • Author(s): Mineta, K., Ikeo, K. and Gojobori, T.
  • Total Pages: 150
  • Publisher: Landes Bioscience