AdmixSim 2: a forward-time simulator for modeling complex population admixture.
AdmixSim 2: a forward-time simulator for modeling complex population admixture.
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AdmixSim 2:用于对复杂群体混合进行建模的正向时间模拟器
DOI:
10.1186/s12859-021-04415-x
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发表时间:
2021-10-18
影响因子:
3
通讯作者:
Xu S
中科院分区:
文献类型:
--
作者:
Zhang R;Liu C;Yuan K;Ni X;Pan Y;Xu S
BackgroundComputer simulations have been widely applied in population genetics and evolutionary studies. A great deal of effort has been made over the past two decades in developing simulation tools. However, there are not many simulation tools suitable for studying population admixture.ResultsWe here developed a forward-time simulator,AdmixSim 2, an individual-based tool that can flexibly and efficiently simulate population genomics data under complex evolutionary scenarios. Unlike its previous version,AdmixSim 2is based on the extended Wright-Fisher model, and it implements many common evolutionary parameters to involve gene flow, natural selection, recombination, and mutation, which allow users to freely design and simulate any complex scenario involving population admixture.AdmixSim 2can be used to simulate data of dioecious or monoecious populations, autosomes, or sex chromosomes. To our best knowledge, there are no similar tools available for the purpose of simulation of complex population admixture. Using empirical or previously simulated genomic data as input,AdmixSim 2provides phased haplotype data for the convenience of further admixture-related analyses such as local ancestry inference, association studies, and other applications. We here evaluate the performance ofAdmixSim 2based on simulated data and validated functions via comparative analysis of simulated data and empirical data of African American, Mexican, and Uyghur populations.ConclusionsAdmixSim 2is a flexible simulation tool expected to facilitate the study of complex population admixture in various situations.
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通讯作者:
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通讯作者:
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