CopywriteR: DNA copy number detection from off-target sequence data.

CopywriteR: DNA copy number detection from off-target sequence data.
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DOI:
10.1186/s13059-015-0617-1
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发表时间:
2015-02-27
期刊:
影响因子:
12.3
通讯作者:
Krijgsman O
Krijgsman O
中科院分区:
生物学1区
文献类型:
--
作者:
Kuilman T;Velds A;Kemper K;Ranzani M;Bombardelli L;Hoogstraat M;Nevedomskaya E;Xu G;de Ruiter J;Lolkema MP;Ylstra B;Jonkers J;Rottenberg S;Wessels LF;Adams DJ;Peeper DS;Krijgsman O

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目前用于从靶向测序数据检测拷贝数变体(CNV)和畸变(CNA)的方法是基于捕获的外显子的覆盖深度。精确的CNA测定由于靶外显子的不均匀基因组分布和不均匀捕获效率而变得复杂。在这里,我们提出了CopywriteR,它通过利用“脱靶”序列读取来避免这些问题。CopywriteR允许提取均匀分布的拷贝数信息,可以在没有参考的情况下使用,并且可以应用于从各种技术获得的测序数据,包括染色质免疫沉淀和小基因板上的靶富集。CopywriteR优于现有的方法,并构成了一个广泛适用的替代可用的工具。本文的在线版本(doi:10.1186/s13059-015-0617-1)包含补充材料,可供授权用户使用。
Current methods for detection of copy number variants (CNV) and aberrations (CNA) from targeted sequencing data are based on the depth of coverage of captured exons. Accurate CNA determination is complicated by uneven genomic distribution and non-uniform capture efficiency of targeted exons. Here we present CopywriteR, which eludes these problems by exploiting ‘off-target’ sequence reads. CopywriteR allows for extracting uniformly distributed copy number information, can be used without reference, and can be applied to sequencing data obtained from various techniques including chromatin immunoprecipitation and target enrichment on small gene panels. CopywriteR outperforms existing methods and constitutes a widely applicable alternative to available tools. The online version of this article (doi:10.1186/s13059-015-0617-1) contains supplementary material, which is available to authorized users.
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