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Related Experiment Videos

AuberGene--a sensitive genome alignment tool.

Radek Szklarczyk1, Jaap Heringa

  • 1Centre for Integrative Bioinformatics VU (IBIVU), Faculty of Sciences and Faculty of Earth and Life Sciences, Vrije Universiteit De Boelelaan 1081A, 1081 HV Amsterdam, The Netherlands.

Bioinformatics (Oxford, England)
|April 12, 2006
PubMed
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A new genome alignment program, AuberGene, enhances detection of conserved genomic regions across species. This method improves the identification of neutrally evolving and distant conserved sequences compared to traditional pairwise alignments.

Area of Science:

  • Genomics
  • Bioinformatics
  • Comparative Genomics

Background:

  • Genome sequence accumulation is accelerating, necessitating advanced alignment tools.
  • Current methods may miss regions evolving under weak or no evolutionary constraints.

Purpose of the Study:

  • To develop a novel genome alignment program, AuberGene.
  • To improve the quality of genomic alignments and detect constrained/neutral evolution regions.

Main Methods:

  • AuberGene utilizes the transitivity of local alignments.
  • Program assessed on a 2 Mbp genomic region including the CFTR gene across 13 species.

Main Results:

  • AuberGene identified 53% of human-CFTR region sharing ancestry with mouse, vs. 44% by pairwise alignment.

Related Experiment Videos

  • Detected 93 orthologous exons between human and tetraodon, exceeding pairwise (77).
  • Identified previously undetected conserved regions and neutrally evolving sequences.

    • Conclusions:

    • AuberGene increases sensitivity in detecting conserved and neutrally evolving genomic regions.
    • The method accurately identifies orthologous regions without sacrificing specificity.
    • Human shares approximately 50% of the CFTR region with mouse, a 10% increase over previous estimates.