Cited by 365Genomics and Phylogenetic StudiesEvolution and Paleontology StudiesPlant Diversity and Evolution

Impact of missing data on phylogenies inferred from empirical phylogenomic data sets

Roure, Béatrice, Baurain, Denis, Philippe, Hervé·2013·Molecular Biology and Evolution

Abstract

Progress in sequencing technology allows researchers to assemble ever-larger supermatrices for phylogenomic inference. However, current phylogenomic studies often rest on patchy data sets, with some having 80% missing (or ambiguous) data or more. Though early simulations had suggested that missing data per se do not harm phylogenetic inference when using sufficiently large data sets, Lemmon et al. (Lemmon AR, Brown JM, Stanger-Hall K, Lemmon EM. 2009. The effect of ambiguous data on phylogenetic estimates obtained by maximum likelihood and Bayesian inference. Syst Biol. 58:130-145.) have recently cast doubt on this consensus in a study based on the introduction of parsimony-uninformative incomplete characters. In this work, we empirically reassess the issue of missing data in phylogenomics while exploring possible interactions with the model of sequence evolution. First, we note that parsimony-uninformative incomplete characters are actually informative in a probabilistic framework. A reanalysis of Lemmon's data set with this in mind gives a very different interpretation of their results and shows that some of their conclusions may be unfounded. Second, we investigate the effect of the progressive introduction of missing data in a complete supermatrix (126 genes × 39 species) capable of resolving animal relationships. These analyses demonstrate that missing data perturb phylogenetic inference slightly beyond the expected decrease in resolving power. In particular, they exacerbate systematic errors by reducing the number of species effectively available for the detection of multiple substitutions. Consequently, large sparse supermatrices are more sensitive to phylogenetic artifacts than smaller but less incomplete data sets, which argue for experimental designs aimed at collecting a modest number (~50) of highly covered genes. Our results further confirm that including incomplete yet short-branch taxa (i.e., slowly evolving species or close outgroups) can help to eschew artifacts, as predicted by simulations. Finally, it appears that selecting an adequate model of sequence evolution (e.g., the site-heterogeneous CAT model instead of the site-homogeneous WAG model) is more beneficial to phylogenetic accuracy than reducing the level of missing data.

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Crossref · 10.1093/molbev/mss208

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  • Additional sources of systematic error include poor taxon or character sampling, large amounts of missing data, and model misspecification.

    “Additional sources of systematic error include poor taxon or character sampling (10,14,15), large amounts of missing data (16), and model misspecification (16,17).”

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Authors
Roure, B., Baurain, D., & Philippe, H.
Affiliations
  • Université de Montréal (CA)
  • University of Liège (BE)
Corresponding author
Philippe, Hervé
Venue
Molecular Biology and Evolution
Published
2012-08-28
Volume
30
Issue
1
Pages
197-214
ISSN
  • 0737-4038 (ISSN-L)
  • 1537-1719
OpenAlex
W2125070329
Cited by
365
References
78
Citations by year
2026: 19 · 2025: 19 · 2024: 21 · 2023: 15 · 2022: 17 · 2021: 22 · 2020: 33 · 2019: 20 · 2018: 38 · 2017: 22 · 2016: 33 · 2015: 45 · 2014: 47 · 2013: 14
FWCI
13.54
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Biology and Evolution (publishedVersion)
  • PubMed (publishedVersion)
  • ORBi (University of Liège) (submittedVersion)
Funders
  • Canada Research Chairs
  • Université de Montréal
  • Natural Sciences and Engineering Research Council of Canada
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Plant Diversity and Evolution
Keywords
missing data, phylogenomics, supermatrices, phylogenetic inference, cat model, outgroup taxa, multiple substitutions, animal phylogeny
MeSH terms
Amphibians, Animals, Bayes Theorem, Computer Simulation, Models, Genetic, Phylogeny, Sequence Alignment, Sequence Analysis, Evolution, Molecular, Genomics, Databases, Genetic

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