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Elucidation of modularity in transcriptional regulatory networks

Research Project

Project/Area Number 23700352
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Bioinformatics/Life informatics
Research InstitutionToho University (2012)
Future University-Hakodate (2011)

Principal Investigator

JOSE Nacher  東邦大学, 理学部, 准教授 (60452984)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords転写調節ネットワーク / ncRNA / モジュール性 / ネットワーク解析 / ncRNAネットワーク / 複雑ネットワークの解析
Research Abstract

In this research, we investigate and compare the community structure of the network defined by functional interactions between non-coding RNAs (ncRNAs) and proteins related bio-macrolecules (PRMs) and the transcriptional regulatory network. Our findings show that the distributions of community sizes followed a scaling-law revealing a complex structure. In addition, the k-clique sub-graphs and overlaps show that the identified communities of the ncRNA molecules could potentially be associated with certain functions. Finally, we also derived mathematically the equations that predict projected network structure using only bipartite network information.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (10 results)

All 2013 2012 2011 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (4 results)

  • [Journal Article] Structural controllability of unidirectional bipartite networks2013

    • Author(s)
      J.C. Nacherand T. Akutsu
    • Journal Title

      Scientific Reports

      Volume: 3 Issue: 1 Pages: 1647-1655

    • DOI

      10.1038/srep01647

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Community structure of non-coding RNA interaction network2013

    • Author(s)
      J.C. Nacher
    • Journal Title

      Journal of Integrative Bioinformatics

      Volume: 10 Pages: 217-229

    • DOI

      10.2390/biecoll-jib-2013-217

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Dominating scale-free networks with variable exponents: heterogeneous networks are difficult to controls2012

    • Author(s)
      J.C. Nacher and T. Akutsu
    • Journal Title

      New Journal of Physics

      Volume: 14 Pages: 73005-73029

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Modularity in protein complex and drug interactions reveals new polypharmacological properties2012

    • Author(s)
      J.C. Nacherand J.-M. Schwartz
    • Journal Title

      PLoS One

      Volume: 7(1), e30028 Issue: 1 Pages: 1-13

    • DOI

      10.1371/journal.pone.0030028

    • Related Report
      2012 Final Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] Dominating scale-free networks with variable scaling exponent: heterogeneous networks are not difficult to control2012

    • Author(s)
      J.C. Nacher and T. Akutsu
    • Journal Title

      New Journal of Physics

      Volume: in press

    • Related Report
      2011 Research-status Report
    • Peer Reviewed
  • [Journal Article] On the degree distribution of projected networks mappedfrom bipartite networks2011

    • Author(s)
      J. C. Nacher, T. Akutsu
    • Journal Title

      Physica A

      Volume: 390 Issue: 23-24 Pages: 4636-4651

    • DOI

      10.1016/j.physa.2011.06.073

    • Related Report
      2012 Final Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Presentation] Modular organization of non-coding RNA-protein networks.2011

    • Author(s)
      J.C. Nacher
    • Organizer
      8th International Workshop on Computational Systems Biology, WCSB 2011. In Proc. TIC Signal Processing series, 64, pp. 141-147.
    • Place of Presentation
      Zurich, Switzerland
    • Related Report
      2011 Research-status Report
  • [Presentation] Community structure of non-coding RNA interaction network IB 2013

    • Author(s)
      J.C. Nacher
    • Organizer
      9th International Symposium on Integrative Bioinformatics
    • Place of Presentation
      IPK-Gatersleben, Germany
    • Related Report
      2012 Final Research Report
  • [Presentation] Modular organization of non-coding RNA-protein networks 8th International Workshop on Computational Systems Biology

    • Author(s)
      J.C. Nacher
    • Organizer
      WCSB 2011. In Proc. TIC Signal Processing series
    • Place of Presentation
      Zurich, Switzerland
    • Related Report
      2012 Final Research Report
  • [Presentation] Community structure of non-coding RNA interaction network

    • Author(s)
      J.C. Nacher
    • Organizer
      IB 2013 9th International Symposium on Integrative Bioinformatics
    • Place of Presentation
      IPK-Gatersleben, Germany
    • Related Report
      2012 Annual Research Report

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Published: 2011-08-05   Modified: 2019-07-29  

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