The SeqWord Genome Browser: an online tool for the identification and visualization of atypical regions of bacterial genomes through oligonucleotide usage
2008

SeqWord Genome Browser: A Tool for Analyzing Bacterial Genomes

Sample size: 1243 publication Evidence: moderate

Author Information

Author(s): Ganesan Hamilton, Rakitianskaia Anna S, Davenport Colin F, Tümmler Burkhard, Reva Oleg N

Primary Institution: University of Pretoria

Hypothesis

The research aims to develop a web-based tool for oligonucleotide usage statistical analysis in functional genomics.

Conclusion

The SeqWord Genome Browser provides comprehensive statistical parameters for analyzing bacterial genomes and identifying atypical genomic regions.

Supporting Evidence

  • The SWGB applet visualizes DNA compositional variations in bacterial genomes.
  • It allows for the identification of horizontally transferred genomic islands.
  • The applet has been tested on 1243 sequences of different microorganisms.

Takeaway

The SeqWord Genome Browser is a tool that helps scientists look at DNA sequences to find unusual parts of bacteria's genetic code.

Methodology

The tool uses oligonucleotide usage patterns to visualize and identify divergent genomic regions in bacterial genomes.

Potential Biases

The method may be influenced by the presence of homogenous DNA insertions, affecting the core genome's definition.

Limitations

The analysis may miss some genomic islands due to the sliding window size and the nature of the genomic signatures.

Digital Object Identifier (DOI)

10.1186/1471-2105-9-333

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