AMD, an Automated Motif Discovery Tool Using Stepwise Refinement of Gapped Consensuses
2011

Automated Motif Discovery Tool for Gene Regulation

publication 10 minutes Evidence: high

Author Information

Author(s): Shi Jiantao, Yang Wentao, Chen Mingjie, Du Yanzhi, Zhang Ji, Wang Kankan

Primary Institution: Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China

Hypothesis

Can an automated tool effectively discover transcription factor binding sites in genomic data?

Conclusion

The AMD tool significantly improves the identification of both gapped and un-gapped motifs in genomic datasets.

Supporting Evidence

  • AMD outperformed several existing motif discovery tools on benchmark datasets.
  • AMD can identify both long and gapped motifs effectively.
  • AMD reduces computational time while maintaining high accuracy in motif discovery.

Takeaway

The AMD tool helps scientists find important DNA patterns that control how genes work, making it easier to study gene regulation.

Methodology

The AMD method identifies over-represented motifs in foreground sequences compared to background sequences through a five-step process.

Limitations

The study does not address the performance of AMD on all possible datasets or its applicability to non-genomic data.

Digital Object Identifier (DOI)

10.1371/journal.pone.0024576

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