A Bayesian method for jointly estimating allele age and selection intensity

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چکیده

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A Bayesian method for jointly estimating allele age and selection intensity.

The problem of jointly estimating the intensity of past selection affecting an allele and the allele's age is formulated in a Bayesian framework. The prior distribution of allele age given its frequency is obtained from existing population genetics theory. The prior distribution of selection intensity is assumed to reflect the fact that positive selection on a new mutant is more likely to be we...

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A likelihood method for jointly estimating the selection coe cient and the allele age for time serial data

Recent advances in sequencing technologies have made available an ever-increasing amount of ancient genomic data. In particular, it is now possible to target speci c single nucleotide polymorphisms in several samples at di erent time points. Such time series data are also available in the context of experimental or viral evolution. Timeseries data should allow for a more precise inference of po...

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A likelihood method for jointly estimating the selection coefficient and the allele age for time serial data

Recent advances in sequencing technologies have made available an ever-increasing amount of ancient genomic data. In particular, it is now possible to target specific single nucleotide polymorphisms in several samples at different time points. Such time series data is also available in the context of experimental or viral evolution. Time-series data should allow for a more precise inference of ...

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A method for estimating the intensity of overdominant selection from the distribution of allele frequencies.

A method is proposed for estimating the intensity of overdominant selection scaled by the effective population size, S = 2Ns, from allele frequencies. The method is based on the assumption that, with strong overdominant selection, allele frequencies are nearly at their deterministic equilibrium values and that, to a first approximation, deviations depend only on S. Simulations verify that reaso...

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Inferring Selection Intensity and Allele Age from Multilocus Haplotype Structure

It is a challenging task to infer selection intensity and allele age from population genetic data. Here we present a method that can efficiently estimate selection intensity and allele age from the multilocus haplotype structure in the vicinity of a segregating mutant under positive selection. We use a structured-coalescent approach to model the effect of directional selection on the gene genea...

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ژورنال

عنوان ژورنال: Genetics Research

سال: 2008

ISSN: 0016-6723,1469-5073

DOI: 10.1017/s0016672307008944