Cited by 1,059Evolution and Genetic DynamicsGenetic diversity and population structureGenomics and Phylogenetic Studies

Estimating Mutation Parameters, Population History and Genealogy Simultaneously From Temporally Spaced Sequence Data

Drummond, Alexei J, Nicholls, Geoff K, Rodrigo, Allen G, Solomon, Wiremu·2002·Genetics

Abstract

Molecular sequences obtained at different sampling times from populations of rapidly evolving pathogens and from ancient subfossil and fossil sources are increasingly available with modern sequencing technology. Here, we present a Bayesian statistical inference approach to the joint estimation of mutation rate and population size that incorporates the uncertainty in the genealogy of such temporally spaced sequences by using Markov chain Monte Carlo (MCMC) integration. The Kingman coalescent model is used to describe the time structure of the ancestral tree. We recover information about the unknown true ancestral coalescent tree, population size, and the overall mutation rate from temporally spaced data, that is, from nucleotide sequences gathered at different times, from different individuals, in an evolving haploid population. We briefly discuss the methodological implications and show what can be inferred, in various practically relevant states of prior knowledge. We develop extensions for exponentially growing population size and joint estimation of substitution model parameters. We illustrate some of the important features of this approach on a genealogy of HIV-1 envelope (env) partial sequences.

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Crossref · 10.1093/genetics/161.3.1307

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  • A unique rate parameter cannot be assigned to each branch when estimating absolute rates or divergence dates because rate and time are inextricably linked, unless the sequences are noncontemporaneous and have known ages.

    “Unfortunately, such an approach cannot be taken when estimating absolute rates or divergence dates because rate and time are inextricably linked, unless the sequences are noncontemporaneous and have known ages (Rambaut 2000;Drummond et al. 2002).”

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Authors
Drummond, A. J., Nicholls, G. K., Rodrigo, A. G., & Solomon, W.
Affiliations
  • University of Auckland (NZ)
  • Department of Statistics, University of Auckland 1001, Auckland, New Zealand
Corresponding author
Drummond, Alexei J
Venue
Genetics
Published
2002-07-01
Volume
161
Issue
3
Pages
1307-1320
ISSN
  • 0016-6731 (ISSN-L)
  • 1943-2631
OpenAlex
W1915699870
Cited by
1,059
References
4
Citations by year
2026: 25 · 2025: 33 · 2024: 38 · 2023: 27 · 2022: 50 · 2021: 40 · 2020: 37 · 2019: 45 · 2018: 33 · 2017: 39 · 2016: 51 · 2015: 56 · 2014: 71 · 2013: 52 · 2012: 73
FWCI
11.00
Type
journal article
Language
en
Open access
closed
Locations
  • Genetics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01gm059174-03)
  • National Institute of General Medical Sciences (GM59174)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
mutation rate estimation, population size estimation, Kingman coalescent, Bayesian inference, Markov chain Monte Carlo, ancient DNA, HIV-1 envelope, haploid populations
MeSH terms
Decision Trees, Genealogy and Heraldry, Genetics, Population, Markov Chains, Models, Genetic, Monte Carlo Method, Mutation, Time

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