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Transcription factors in DNA replication.

Y Murakami1, Y Ito

  • 1Department of Viral Oncology, Institute for Virus Research, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan. yota@virus.kyoto-u.ac.jp

Frontiers in Bioscience : a Journal and Virtual Library
|November 30, 1999
PubMed
Summary

Transcription factors regulate DNA replication initiation in viruses and eukaryotes. They stimulate replication by interacting with initiation proteins and modifying chromatin structure.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Cell Biology

Background:

  • Transcription factors are known to regulate gene transcription.
  • Their role in DNA replication is increasingly recognized.
  • Viral and eukaryotic DNA replication origins often contain transcription factor binding sites.

Purpose of the Study:

  • To investigate the role of transcription factors in regulating DNA replication.
  • To explore the mechanisms by which transcription factors influence replication initiation.

Main Methods:

  • Analysis of viral and yeast DNA replication systems.
  • Examination of eukaryotic replication origins for transcription factor binding sites.
  • Investigating interactions between transcription factors and replication initiation complexes.

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Main Results:

  • Transcription factor binding sites are common at viral and eukaryotic DNA replication origins.
  • Transcription factors stimulate DNA replication initiation in viral and yeast systems.
  • Mechanisms involve interactions with initiation proteins and chromatin modulation.

Conclusions:

  • Transcription factors play a significant role in DNA replication initiation.
  • This role extends beyond viruses to higher eukaryotes.
  • Transcription factors are crucial for forming functional replication complexes on chromosomes.