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Rare Event Detection Using Error-corrected DNA and RNA Sequencing
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CHARR有效地估计了来自DNA测序数据的污染.

Wenhan Lu1, Laura D Gauthier2, Timothy Poterba1

  • 1Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, MA 02114, USA; Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA.

American journal of human genetics
|November 24, 2023
PubMed
概括
此摘要是机器生成的。

测序中的DNA样本污染可能导致错误. 一个新的指标CHARR (来自同卵性替代参考读数的污染) 使用变异数据估计了污染,为大型数据集提供了具有成本效益和效率的解决方案.

关键词:
在DNA测序过程中,DNA测序污染污染污染的污染是什么数据科学数据科学遗传研究遗传研究质量控制质量控制质量控制变量调用变量调用

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科学领域:

  • 基因组学就是基因组学.
  • 生物信息学是一种生物信息学.

背景情况:

  • 在全基因组和全外基因组测序中,DNA样本的污染是一个重大挑战.
  • 污染会导致基因定型错误并影响变体呼叫质量.

研究的目的:

  • 开发一种用于估计DNA样本污染的新型指标.
  • 为大规模测序项目提供成本效益高效的污染评估方法.

主要方法:

  • 引入CHARR (来自同卵性替代参考读数的污染),这是利用变异级数据进行衡量的指标.
  • 使用单样gVCF,VCF/BCF调用集或Hail变体数据集格式进行计算.

主要成果:

  • CHARR准确地估计了污染水平,与现有方法相比.
  • 该CHARR指标显著降低了存储和计算成本.

结论:

  • 查尔为DNA样本污染评估提供了准确有效的方法.
  • 这种方法可以改善超大全基因组和外基因组测序数据集的下游分析.