Determining significance of pairwise co-occurrences of events in bursty sequences
2008

Understanding Co-occurrences of Events in DNA Sequences

publication Evidence: moderate

Author Information

Author(s): Haiminen Niina, Mannila Heikki, Terzi Evimaria

Primary Institution: University of Helsinki

Hypothesis

Can we determine the significance of co-occurrences of transcription factor binding sites in bursty DNA sequences using different null models?

Conclusion

More sophisticated null models provide better results for identifying significant co-occurrences in bursty data compared to simple models.

Supporting Evidence

  • The study shows that simple null models yield many false positives in bursty data.
  • More sophisticated models accurately identify significant co-occurrences in synthetic data.
  • The effect of window size on significance results was demonstrated.

Takeaway

This study looks at how often certain DNA events happen together and finds that using better models helps us understand these patterns more accurately.

Methodology

The study evaluates different null models for co-occurrence significance using synthetic and real data of transcription factor binding sites.

Potential Biases

Potential biases may arise from the choice of null models and the specific datasets used.

Limitations

The study may not account for all biological complexities and variations in DNA sequences.

Statistical Information

P-Value

p ≤ 0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/1471-2105-9-336

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