A flexible ChIP-sequencing simulation toolkit.

A flexible ChIP-sequencing simulation toolkit.
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DOI:
10.1186/s12859-021-04097-5
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发表时间:
2021-04-20
期刊:
影响因子:
3
通讯作者:
Gymrek M
Gymrek M
中科院分区:
生物学4区
文献类型:
--
作者:
Zheng A;Lamkin M;Qiu Y;Ren K;Goren A;Gymrek M

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评估定量ChIP-seq分析(如峰识别和差异结合)的一个主要挑战是缺乏可靠的基础数据。ChIP-seq数据的精确模拟可以缓解这一挑战,但现有的框架要么过于繁琐,无法在全基因组范围内应用,要么无法对ChIP-seq中的许多重要实验条件进行建模。我们提出了ChIPs,一个工具包,用于使用关键实验步骤的统计模型快速模拟ChIP-seq数据。我们展示了ChIP如何用于一系列应用,包括基准分析工具和评估各种实验参数的影响。ChIP是作为一个用C++编写的独立命令行程序实现的,可以从https://github.com/gymreklab/chips获得。ChIPs是一个高效的ChIP-seq模拟框架,可在灵活的实验条件下生成逼真的数据集。它可以作为各种ChIP-seq分析的重要组成部分,需要地面真实数据。在线版本包含补充材料,可通过10.1186/s12859-021-04097-5获得。
A major challenge in evaluating quantitative ChIP-seq analyses, such as peak calling and differential binding, is a lack of reliable ground truth data. Accurate simulation of ChIP-seq data can mitigate this challenge, but existing frameworks are either too cumbersome to apply genome-wide or unable to model a number of important experimental conditions in ChIP-seq. We present ChIPs, a toolkit for rapidly simulating ChIP-seq data using statistical models of key experimental steps. We demonstrate how ChIPs can be used for a range of applications, including benchmarking analysis tools and evaluating the impact of various experimental parameters. ChIPs is implemented as a standalone command-line program written in C++ and is available from https://github.com/gymreklab/chips. ChIPs is an efficient ChIP-seq simulation framework that generates realistic datasets over a flexible range of experimental conditions. It can serve as an important component in various ChIP-seq analyses where ground truth data are needed. The online version contains supplementary material available at 10.1186/s12859-021-04097-5.
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