Modeling Continuous Admixture Using Admixture-Induced Linkage Disequilibrium.

Abstract:

:Recent migrations and inter-ethnic mating of long isolated populations have resulted in genetically admixed populations. To understand the complex population admixture process, which is critical to both evolutionary and medical studies, here we used admixture induced linkage disequilibrium (LD) to infer continuous admixture events, which is common for most existing admixed populations. Unlike previous studies, we expanded the typical continuous admixture model to a more general scenario with isolation after a certain duration of continuous gene flow. Based on the new models, we developed a method, CAMer, to infer the admixture history considering continuous and complex demographic process of gene flow between populations. We evaluated the performance of CAMer by computer simulation and further applied our method to real data analysis of a few well-known admixed populations.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Zhou Y,Qiu H,Xu S

doi

10.1038/srep43054

subject

Has Abstract

pub_date

2017-02-23 00:00:00

pages

43054

issn

2045-2322

pii

srep43054

journal_volume

7

pub_type

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