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A biologist's guide to Bayesian phylogenetic analysis.

Fabrícia F Nascimento1,2, Mario Dos Reis3, Ziheng Yang4

  • 1Department of Zoology, University of Oxford, Oxford, OX1 3PS, UK. f.nascimento@imperial.ac.uk.

Nature Ecology & Evolution
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Summary
This summary is machine-generated.

Bayesian phylogenetics is widely used but complex. This guide explains Bayesian computation, model selection, and software for accurate evolutionary analyses.

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Area of Science:

  • Molecular Biology
  • Evolutionary Biology
  • Computational Biology

Background:

  • Bayesian methods are increasingly popular in molecular phylogenetics.
  • User-friendly software has driven the adoption of sophisticated evolutionary models.
  • However, the complexity of these models necessitates careful analysis, as default settings may be inadequate.

Purpose of the Study:

  • To provide a comprehensive overview of Bayesian phylogenetic inference.
  • To guide researchers in the appropriate application and interpretation of Bayesian phylogenetic analyses.
  • To highlight potential pitfalls and best practices in Bayesian phylogenetic studies.

Main Methods:

  • Discussion of Bayesian computation using Markov chain Monte Carlo (MCMC).
  • Explanation of diagnostic methods for assessing MCMC run convergence.
  • Methods for summarizing MCMC samples to represent phylogenetic uncertainty.

Main Results:

  • Detailed examination of prior specification, substitution model selection, and data partitioning strategies.
  • Identification of key considerations for choosing appropriate evolutionary models.
  • Recommendations for effective data partitioning in phylogenetic analyses.

Conclusions:

  • Emphasize the importance of understanding Bayesian phylogenetic methods beyond default settings.
  • Provide practical guidance on MCMC diagnostics and sample summarization.
  • Offer a curated list of Bayesian phylogenetic software with usage recommendations.