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- W2093464515 abstract "Phylogeographic methods facilitate inference of the geographical history of genetic lineages. Recent examples explore human migration and the origins of viral pandemics. There is longstanding disagreement over the use and validity of certain phylogeographic inference methodologies. In this paper, we highlight three distinct frameworks for phylogeographic inference to give a taste of this disagreement. Each of the three approaches presents a different viewpoint on phylogeography, most fundamentally on how we view the relationship between the inferred history of a sample and the history of the population the sample is embedded in. Satisfactory resolution of this relationship between history of the tree and history of the population remains a challenge for all but the most trivial models of phylogeographic processes. Intriguingly, we believe that some recent methods that entirely avoid inference about the history of the population will eventually help to reach a resolution. Phylogeographic methods facilitate inference of the geographical history of genetic lineages. Recent examples explore human migration and the origins of viral pandemics. There is longstanding disagreement over the use and validity of certain phylogeographic inference methodologies. In this paper, we highlight three distinct frameworks for phylogeographic inference to give a taste of this disagreement. Each of the three approaches presents a different viewpoint on phylogeography, most fundamentally on how we view the relationship between the inferred history of a sample and the history of the population the sample is embedded in. Satisfactory resolution of this relationship between history of the tree and history of the population remains a challenge for all but the most trivial models of phylogeographic processes. Intriguingly, we believe that some recent methods that entirely avoid inference about the history of the population will eventually help to reach a resolution. any information about the direct ancestors of a sample of molecular sequences. This term can refer, for example, to inferred sequence composition or phenotype, such as geography, and is often associated with a time scale. simulation technique used to draw statistical inference based on data summaries, often used when computation of the full data likelihood is impractical. ratio of the marginal likelihoods of a given data set comparing two competing models that naturally incorporates uncertainty about unknown parameters in both models. framework that estimates the posterior probability that a particular explanatory variable should be included in a model. The method is most commonly used in Bayesian inference of linear regression. open-source MCMC package for analysis of several Bayesian evolutionary models for molecular sequences and associated traits, such as geography. stochastic process on the real number line or, in the work described in this article, on a geographic surface in which increments are independent and normally distributed with mean zero and variance that scales linearly with duration. stochastic process on a discrete state space or, in the work described in this article, a set of locations that is memoryless and whose waiting times between transitions are exponentially distributed. framework for relating observed phenotype information to an evolutionary history. Nested clade phylogeographic analysis assumes that geography is a phenotypic trait and falls into this category. method in which a fully specified probabilistic model describes how observed data are generated. Unknown parameters can characterize this model, and statistical inference involves estimating and testing these parameters. resampling-based approach for inference of geographic information from haplotype trees and networks. interdisciplinary field involving study of the evolutionary history and geographic spread of biological populations or taxa. as used in this article, a framework that uses a sample of molecular sequences to make statements about a population under study. The coalescent is the most widely used population genetics framework. Extensions of the coalescent to phylogeography typically focus on migration rates between multiple populations fixed in space. application of independent stochastic processes to describe changes in geographic phenotypes on a two-dimensional surface. Under the discrete framework described in this article, the surface is divided into discrete regions and movement between regions is modeled as a continuous-time Markov chain. Under the continuous diffusion framework, these regions are subdivided until they become infinitesimal and generalizations of Brownian diffusion are then considered. extension of the basic coalescent model to multiple populations. This method focuses on ancestral population sizes and migration rates between populations." @default.
- W2093464515 created "2016-06-24" @default.
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- W2093464515 date "2010-11-01" @default.
- W2093464515 modified "2023-10-16" @default.
- W2093464515 title "Three roads diverged? Routes to phylogeographic inference" @default.
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- W2093464515 doi "https://doi.org/10.1016/j.tree.2010.08.010" @default.
- W2093464515 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/2956787" @default.
- W2093464515 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/20863591" @default.
- W2093464515 hasPublicationYear "2010" @default.
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