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Chromatin structure as a determinant of transcriptional activity

Research Project

Project/Area Number 26430188
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Genome biology
Research InstitutionFujita Health University

Principal Investigator

Ishihara Satoru  藤田保健衛生大学, 医学部, 講師 (00300723)

Co-Investigator(Kenkyū-buntansha) 石原 直恵 (琴村直恵 / 石原 直恵(琴村直恵))  藤田保健衛生大学, 医学部, 研究員 (50571791)
原田 信広  藤田保健衛生大学, 医学部, 教授 (00189705)
Co-Investigator(Renkei-kenkyūsha) NIKAIDO ITOSHI  独立行政法人理化学研究所, 情報基盤センター, ユニットリーダー (00383290)
SASAGAWA YOHEI  独立行政法人理化学研究所, 情報基盤センター, 上級センター研究員 (10404344)
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsクロマチン / ヌクレオソーム / SEVENS法 / 転写 / プロモーター / CYP19 / 次世代シーケンサー / セントロメア / ヒストン修飾
Outline of Final Research Achievements

A controlled amount of RNA is transcribed from an individual gene. To elucidate contribution of chromatin structure to this quantitative control, the CYP19 gene, which harbors three promoters with a different activity, was chosen as a model gene. The SEVENS assay revealed that local density of nucleosomes in the promoter regions was inversely correlated to transcriptional activity of each promoter of the CYP19 gene. Such correlation was confirmed by a whole genome analysis in which DNA recovered from the SEVENS fractions was sequenced using next generation sequencing technology.

Report

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

    (4 results)

All 2016 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (3 results)

  • [Journal Article] The Proportion of Chromatin Graded between Closed and Open States Determines the Level of Transcripts Derived from Distinct Promoters in the CYP19 Gene2015

    • Author(s)
      Kotomura, N.,Harada, N., & Ishihara, S.
    • Journal Title

      PLoS One

      Volume: 10 Issue: 5 Pages: e0128282-e0128282

    • DOI

      10.1371/journal.pone.0128282

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] An LM-PCR method capable of evenly amplifying DNA fragments with various GC content2016

    • Author(s)
      Ishihara, S., Kotomura, N., Yamamoto, N., Ochiai, H.
    • Organizer
      第39回日本分子生物学会年会
    • Place of Presentation
      横浜
    • Year and Date
      2016-11-30
    • Related Report
      2016 Annual Research Report
  • [Presentation] SEVENS assay: a chromatin fractionation based on the local density of nucleosomes2015

    • Author(s)
      石原悟
    • Organizer
      第53回日本生物物理学会年会
    • Place of Presentation
      金沢大学角間キャンパス
    • Year and Date
      2015-09-13
    • Related Report
      2015 Research-status Report
  • [Presentation] SEVENS 法:closed クロマチンとopen クロマチンを生化学的に分離分画する新たな方法2015

    • Author(s)
      石原悟
    • Organizer
      定量生物学の会 第7回年会
    • Place of Presentation
      九州大学筑紫キャンパス
    • Year and Date
      2015-01-11 – 2015-01-12
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2018-03-22  

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