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Related Experiment Videos

Graph-based analysis and visualization of experimental results with ONDEX.

Jacob Köhler1, Jan Baumbach, Jan Taubert

  • 1Division of Biomathematics and Bioinformatics, Rothamsted Research, AL5 2JQ Harpenden, UK. Jacob.Koehler@bbsrc.ac.uk

Bioinformatics (Oxford, England)
|March 15, 2006
PubMed
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Interpreting gene expression data is difficult. The ONDEX system integrates biological information and text mining to reveal gene functions and relationships, aiding biological relevance determination.

Area of Science:

  • Bioinformatics
  • Systems Biology
  • Genomics

Background:

  • Interpreting high-throughput gene expression data, like microarrays, is challenging due to the need to connect significant genes with distributed biological information.
  • Current methods are labor-intensive, requiring significant informatics and biological expertise to manually integrate data from numerous databases and scientific literature.
  • Automated software tools are essential to streamline the process of determining the biological relevance of gene expression findings.

Purpose of the Study:

  • To introduce and describe the ONDEX system for interpreting gene expression results.
  • To highlight ONDEX's capabilities in semantic database integration, text mining, and graph-based analysis.
  • To demonstrate ONDEX's utility in identifying biological relevance and functional annotations for genes.

Related Experiment Videos

Main Methods:

  • ONDEX system: a database integrating semantic data, text mining, and graph-based analysis.
  • Application of ONDEX to interpret gene expression data from microarray experiments.
  • Utilizing graph-based analysis and visualization features for relationship discovery.

Main Results:

  • ONDEX successfully integrated diverse biological information with gene expression data.
  • A case study demonstrated ONDEX's ability to identify causal relationships between stress response genes and metabolic pathways.
  • ONDEX discovered functional annotations for previously uncharacterized significant genes from the microarray experiment.

Conclusions:

  • The ONDEX system provides an effective solution for interpreting complex gene expression data.
  • ONDEX facilitates the identification of biological relevance and functional insights from genomic experiments.
  • Automated integration and analysis tools like ONDEX are crucial for advancing biological discovery.