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Identifying synonymous regulatory elements in vertebrate genomes.

Ivan Ovcharenko1, Marcelo A Nobrega

  • 1Energy, Environment, Biology, and Institutional Computing, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA. ovcharenko1@llnl.gov

Nucleic Acids Research
|June 28, 2005
PubMed
Summary

Synonymous gene regulation relies on shared transcription factor binding site (TFBS) modules. Our tool, SynoR, identifies these evolutionary conserved synonymous regulatory elements (SREs) across vertebrate genomes.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Bioinformatics

Background:

  • Synonymous gene regulation involves shared regulatory elements controlling gene expression.
  • These elements likely contain similar modules of transcription factor binding sites (TFBS).

Purpose of the Study:

  • To develop a method and tool for identifying evolutionary conserved synonymous regulatory elements (SREs) in vertebrate genomes.
  • To facilitate the study of gene regulation through shared genomic elements.

Main Methods:

  • Developed a method to scan vertebrate genomes for conserved TFBS modules in specific configurations.
  • Created SynoR, a tool for de novo identification of SREs using known TFBS patterns as seeds.
  • Employed multi-species conservation and differential phylogenetic filters for SRE detection.

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Main Results:

  • SynoR successfully identifies SREs across vertebrate genomes.
  • Results provide extensive annotations of genes associated with detected SREs.
  • Functional classification using Gene Ontology and tissue-specificity cataloging via GNF Expression Atlas 2 data.

Conclusions:

  • SynoR is an effective tool for discovering synonymous regulatory elements.
  • The tool aids in understanding conserved gene regulation mechanisms.
  • SynoR is publicly available for broader research use.