Cited by 215Genomics and Phylogenetic StudiesGenetic diversity and population structureEvolution and Paleontology Studies

Bayesian Model Adequacy and Choice in Phylogenetics

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Bollback, Jonathan P.·2002·Molecular Biology and Evolution

Abstract

Bayesian inference is becoming a common statistical approach to phylogenetic estimation because, among other reasons, it allows for rapid analysis of large data sets with complex evolutionary models. Conveniently, Bayesian phylogenetic methods use currently available stochastic models of sequence evolution. However, as with other model-based approaches, the results of Bayesian inference are conditional on the assumed model of evolution: inadequate models (models that poorly fit the data) may result in erroneous inferences. In this article, I present a Bayesian phylogenetic method that evaluates the adequacy of evolutionary models using posterior predictive distributions. By evaluating a model's posterior predictive performance, an adequate model can be selected for a Bayesian phylogenetic study. Although I present a single test statistic that assesses the overall (global) performance of a phylogenetic model, a variety of test statistics can be tailored to evaluate specific features (local performance) of evolutionary models to identify sources failure. The method presented here, unlike the likelihood-ratio test and parametric bootstrap, accounts for uncertainty in the phylogeny and model parameters.

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  • Sequence similarity is strictly an empirical observation, whereas homology is a hypothesis intended to explain the similarity.

    “Nonetheless, as I and many others have argued [1,32-40], sequence similarity is strictly an empirical observation; homology, on the other hand, is a hypothesis intended to explain the similarity.”

    From On universal common ancestry, sequence similarity, and phylogenetic structure: the sins of P-values and the virtues of Bayesian evidence (2011) · cites this paper as [33]

    The Introduction discusses whether models of DNA sequence evolution fit observed data, and the Models of Sequence Evolution section describes substitution models. Neither passage addresses the claimed distinction between sequence similarity as an observation and homology as an explanatory hypothesis. Searches for that distinction and a paraphrase found no supporting passage in our copy; page numbers were not provided. (LLM, conf=0.76)

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  • An adequate modeling of the evolutionary process that generated the data is fundamental to the recovery of accurate phylogenies.

    “An adequate modeling of the evolutionary process that generated the data is fundamental to the recovery of accurate phylogenies [16-20].”
  • If the best-fitting model does not describe the evolutionary process that generated the data adequately, there can still be a high probability of recovering a tree with relationships representing systematic error.

    “Yet, if the best-fitting model does not describe the evolutionary process that generated the data adequately, there can still be a high probability of recovering a tree with relationships representing systematic error [16-20].”
  • Porifera-sister better represents the phylogenetic signal in the data.

    “As phylogenetic methods are less likely to recover artifactual topologies when the models of evolution moreadequatelydescribethedata[16-20],weconcludethatPorifera-sister better represents the phylogenetic signal in the data.”

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Research works printed but not linked: 4

  1. [2]2. AKAIKE, H. 1974. A new look at statistical model identifica- tion. IEEE Trans. Autom. Contr. 19:716-723.
  2. [23]23. LI, S. 1996. Phylogenetic tree construction using Markov chain Monte Carlo. Doctoral dissertation, Ohio State University, Columbus.
  3. [36]36. SWOFFORD, D., G. OLSEN, P. WADDELL, and D. M. HILLIS. 1996. Phylogenetic inference. Pp. 407-511 in D. HILLIS, C. MORITZ, and B. MABLE, eds. Molecular systematics. 2nd edition. Sinauer, Sunderland, Mass.
  4. [37]37. TAVARE ´, S. 1986. Some probabilistic and statistical problems on the analysis of DNA sequences. Pp. 57-86 in Lectures in mathematics in the life sciences. Vol. 17[Please provide the publisher name and location].

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Authors
Bollback, J. P.
Affiliations
University of Rochester (US)
Corresponding author
Bollback, Jonathan P.
Venue
Molecular Biology and Evolution
Published
2002-07-01
Volume
19
Issue
7
Pages
1171-1180
ISSN
  • 0737-4038 (ISSN-L)
  • 1537-1719
OpenAlex
W2129928578
Cited by
215
References
40
Citations by year
2026: 5 · 2025: 3 · 2024: 10 · 2023: 8 · 2022: 14 · 2021: 11 · 2020: 9 · 2019: 14 · 2018: 8 · 2017: 6 · 2016: 5 · 2015: 13 · 2014: 15 · 2013: 11 · 2012: 3
FWCI
3.59
Type
journal article
Language
en
Open access
Locations
  • Molecular Biology and Evolution (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Science Foundation (0075404, 0075406)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
Keywords
Bayesian phylogenetics, model adequacy, model selection, posterior predictive distribution, evolutionary models, model misspecification, test statistics, parametric bootstrap, likelihood ratio test
MeSH terms
Animals, Bayes Theorem, Computer Simulation, DNA, Humans, Models, Genetic, Phylogeny, Probability, Models, Statistical, Likelihood Functions, Evolution, Molecular

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