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Multi-species comparative mapping in silico using the COMPASS strategy.

Lei Liu1, George Gong, Yong Liu

  • 1The W. M. Keck Center for Comparative and Functional Genomics, University of Illinois at Urbana-Champaign, 1201 W. Gregory Drive, Urbana, IL 61801, USA. leiliu@uiuc.edu

Bioinformatics (Oxford, England)
|January 22, 2004
PubMed
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The Comparative Mapping by Annotation and Sequence Similarity (COMPASS) tool predicts gene locations across mammalian genomes. This strategy aids in decoding new mammalian genomes by leveraging existing human and mouse genome data.

Area of Science:

  • Comparative genomics
  • Bioinformatics
  • Mammalian genome sequencing

Background:

  • Human and mouse genome sequences are valuable resources for decoding other mammalian genomes.
  • The Comparative Mapping by Annotation and Sequence Similarity (COMPASS) strategy utilizes these resources for genome mapping.
  • An automated multiple-species COMPASS tool can aid genome sequencing and comparative genomics in mammals.

Purpose of the Study:

  • To develop and utilize an automated multiple-species COMPASS tool for mammalian genome sequencing.
  • To facilitate comparative genomics studies by predicting map locations of sequences in various mammalian genomes.

Main Methods:

  • Built and collected comparative maps among human, cattle, pig, mouse, and rat.
  • Constructed cattle-human and pig-human maps using orthologous markers and conserved synteny groups.

Related Experiment Videos

  • Developed mouse-human and rat-human maps based on conserved sequence segments.

    • Main Results:

    • Established comparative maps among five mammalian species.
    • Enabled prediction of query sequence locations in cattle, pig, mouse, and rat genomes using human genome matches.
    • Leveraged orthologous markers and conserved segments for accurate location prediction.

    Conclusions:

    • The COMPASS strategy effectively predicts sequence locations across mammalian genomes.
    • An automated tool enhances genome sequencing efforts and comparative genomics studies.
    • The COMPASS tool and databases are publicly available for research use.