A tandem simulation framework for predicting mapping quality.

A tandem simulation framework for predicting mapping quality.
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DOI:
10.1186/s13059-017-1290-3
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发表时间:
2017-08-10
期刊:
影响因子:
12.3
通讯作者:
Langmead B
Langmead B
中科院分区:
生物学1区
文献类型:
--
作者:
Langmead B

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读取是大多数测序数据分析的第一步,因为读取的原点可能是模棱两可的,因此,对准器报告了映射质量,这是报告的一致性不正确的概率。为了计算映射质量,我描述了通过模拟一组串联读取的绘制质量的框架。来源是i以一种名为QTIP的精确而低空的工具实现此方法,该工具与流行的对准器兼容。 本文的在线版本(DOI:10.1186/S13059-017-1290-3)包含补充材料,可供授权用户使用。
Read alignment is the first step in most sequencing data analyses. Because a read’s point of origin can be ambiguous, aligners report a mapping quality, which is the probability that the reported alignment is incorrect. Despite its importance, there is no established and general method for calculating mapping quality. I describe a framework for predicting mapping qualities that works by simulating a set of tandem reads. These are like the input reads in important ways, but the true point of origin is known. I implement this method in an accurate and low-overhead tool called Qtip, which is compatible with popular aligners. The online version of this article (doi:10.1186/s13059-017-1290-3) contains supplementary material, which is available to authorized users.
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