Non-homogeneous models of sequence evolution in the Bio++ suite of libraries and programs
2008

Bio++: New Models for Sequence Evolution

Sample size: 92 publication 10 minutes Evidence: moderate

Author Information

Author(s): Dutheil Julien, Boussau Bastien

Primary Institution: BiRC – Bioinformatics Research Center – University of Aarhus

Hypothesis

Can non-homogeneous models of sequence evolution improve the estimation of evolutionary parameters and the simulation of realistic data sets?

Conclusion

The new implementation can accommodate various non-homogeneous models of sequence evolution efficiently and is useful for parametric bootstrapping.

Supporting Evidence

  • The implementation allows for the estimation of parameters using non-homogeneous models.
  • It can simulate the evolution of sequences accurately.
  • The software is user-friendly and does not require programming knowledge.
  • It has been tested on a ribosomal RNA data set with 92 sequences.

Takeaway

This study introduces new software that helps scientists better understand how sequences evolve by using more accurate models.

Methodology

The study developed new classes in the Bio++ libraries to implement non-homogeneous models and tested them using ribosomal RNA data.

Potential Biases

Potential overfitting due to the flexibility of the models.

Limitations

The models may be too complex for some data sets, leading to over-parameterization.

Participant Demographics

RNA sequences from 22 Archaea, 34 Bacteria, and 36 Eukaryotes.

Statistical Information

P-Value

0.0008

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2148-8-255

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