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Related Experiment Videos

Genomic regulatory regions: insights from comparative sequence analysis.

Gregory M Cooper1, Arend Sidow

  • 1Department of Genetics, Stanford University, Stanford, CA 94305-9010, USA.

Current Opinion in Genetics & Development
|November 26, 2003
PubMed
Summary

Comparative sequence analysis aids in identifying functional genomic regions by observing slower evolution rates in important areas. Mammalian comparative analysis is poised to be key for discovering human regulatory elements.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Evolutionary Biology

Background:

  • Functional genomic regions evolve slower than non-functional regions.
  • Comparative sequence analysis leverages evolutionary conservation to identify functionally important DNA sequences.
  • The selection of species for analysis impacts the discovery of conserved or divergent genomic features.

Purpose of the Study:

  • To highlight the utility of comparative sequence analysis in identifying and characterizing genomic regulatory regions.
  • To emphasize the importance of species selection in comparative genomic studies.
  • To project the future role of large-scale mammalian comparative analysis in human regulatory element discovery.

Main Methods:

  • Comparative sequence analysis of genomes.

Related Experiment Videos

  • Evaluating evolutionary rates of genomic regions.
  • Strategic selection of species based on shared ancestry and sequence divergence.

    • Main Results:

    • Functionally important genomic regions exhibit slower evolutionary rates.
    • The choice of species is critical for successful identification of conserved or divergent genomic elements.
    • Comparative analyses are broadly applicable across all domains of life.

    Conclusions:

    • Comparative sequence analysis is a powerful tool for discovering and characterizing functional genomic regulatory elements.
    • Large-scale mammalian comparative sequence analysis is expected to significantly advance the discovery of human regulatory elements in the near future.