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1 November 2008 Detection of “Punctuated Equilibrium” by Bayesian Estimation of Speciation and Extinction Rates, Ancestral Character States, and Rates of Anagenetic and Cladogenetic Evolution on a Molecular Phylogeny
Folmer Bokma
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Abstract

Algorithms are presented to simultaneously estimate probabilities of speciation and extinction, rates of anagenetic and cladogenetic phenotypic evolution, as well as ancestral character states, from a complete ultrametric species-level phylogeny with dates assigned to all bifurcations and one or more phenotypes in three or more extant species, using Metropolis–Hastings Markov Chain Monte Carlo sampling. The algorithms also estimate missing phenotypes of extant species and numbers of speciation events that occurred on all branches of the phylogeny. The algorithms are discussed and their performance is evaluated using simulated data. That evaluation shows that precise estimation of rates of evolution of one or a few phenotypes requires large phylogenies. Estimation accuracy improves with the number of species on the phylogeny.

Folmer Bokma "Detection of “Punctuated Equilibrium” by Bayesian Estimation of Speciation and Extinction Rates, Ancestral Character States, and Rates of Anagenetic and Cladogenetic Evolution on a Molecular Phylogeny," Evolution 62(11), 2718-2726, (1 November 2008). https://doi.org/10.1111/j.1558-5646.2008.00492.x
Received: 25 January 2008; Accepted: 27 July 2008; Published: 1 November 2008
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KEYWORDS
cladogenesis
gene expression
macroevolution
Molecular phylogenetics
stasis
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