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Related Experiment Videos

Database for mobile group II introns.

Lixin Dai1, Navtej Toor, Robert Olson

  • 1Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada.

Nucleic Acids Research
|January 10, 2003
PubMed
Summary
This summary is machine-generated.

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Group II introns are mobile genetic elements found in bacteria. A new web database provides accurate information on these self-splicing RNAs to aid research on their function and evolution.

Area of Science:

  • Molecular Biology
  • Genomics
  • Bioinformatics

Background:

  • Group II introns are self-splicing RNA molecules and retroelements.
  • They are prevalent in bacteria and lower eukaryotic organelles.
  • Recent genome sequencing projects have revealed numerous group II introns in bacteria, but many are incorrectly identified.

Purpose of the Study:

  • To establish a centralized, accurate web database for mobile group II introns.
  • To provide comprehensive information on group II introns, particularly those in bacteria.
  • To facilitate the study of group II intron function, spread, and evolution.

Main Methods:

  • Initiation of an ongoing web site database.
  • Compilation of introductory information on group II introns.

Related Experiment Videos

  • Detailed cataloging of intron RNA structures, intron-encoded proteins, and identified intron boundaries.
  • Inclusion of RNA secondary structures and phylogenetic data.

    • Main Results:

    • A web database (http://www.fp.ucalgary.ca/group2introns/) has been created for mobile group II introns.
    • The database contains introductory material, structural and protein information, and a catalog of identified introns.
    • Phylogenetic and evolutionary data are included to support comparative studies.

    Conclusions:

    • The developed database offers correct and detailed information on group II introns.
    • This resource is expected to significantly aid research into the function, spread, and evolution of these mobile genetic elements.