論文

査読有り
2013年1月18日

Identification of preferentially reactivated genes during early G1 phase using nascent mRNA as an index of transcriptional activity

Biochemical and Biophysical Research Communications
  • Masashi Fukuoka
  • ,
  • Ataru Uehara
  • ,
  • Katsuya Niki
  • ,
  • Shunya Goto
  • ,
  • Dai Kato
  • ,
  • Takahiko Utsugi
  • ,
  • Masaya Ohtsu
  • ,
  • Yasufumi Murakami

430
3
開始ページ
1005
終了ページ
1010
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.bbrc.2012.12.048

During mammalian mitosis, transcription is silenced due to dissociation of transcription factors from DNA and chromosome condensation. At the end of mitosis, transcription is reactivated through chromosome relaxation and reloading of these factors to the DNA. Early G1 genes, which are preferentially reactivated during M/G1 transition, are important for maintenance of cellular function and are known to be strictly regulated. As only few early G1 genes have been identified to date, screening for early G1 genes by genome-wide analysis using nascent mRNA could contribute to the elucidation of the regulatory mechanisms during early G1. Here, we performed a detailed expression analysis for the M/G1 transition of mammalian cells by microarray analysis of nascent mRNA, and identified 298 early G1 genes. Analysis of these genes provides two important insights. Firstly, certain motifs are enriched in the upstream sequences of early G1 genes
from this we could predict candidate cognate transcription factors, including Sp1, which is recruited to the DNA in the early G1 phase. Secondly, we discovered that neighboring genes of early G1 genes were also frequently up-regulated in the G1 phase. Information about these numerous newly identified early G1 genes will likely contribute to an understanding of the regulatory mechanisms of the early G1 genes. © 2012 Elsevier Inc.

リンク情報
DOI
https://doi.org/10.1016/j.bbrc.2012.12.048
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/23261446
ID情報
  • DOI : 10.1016/j.bbrc.2012.12.048
  • ISSN : 0006-291X
  • ISSN : 1090-2104
  • PubMed ID : 23261446
  • SCOPUS ID : 84872495416

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