Strategies for processing and quality control of Illumina genotyping arrays

Shilin Zhao, Wang Jing, David C. Samuels, Quanghu Sheng, Yu Shyr, Yan Guo

研究成果: Article

3 引文 斯高帕斯(Scopus)

摘要

Illumina genotyping arrays have powered thousands of large-scale genome-wide association studies over the past decade. Yet, because of the tremendous volume and complicated genetic assumptions of Illumina genotyping data, processing and quality control (QC) of these data remain a challenge. Thorough QC ensures the accurate identification of single-nucleotide polymorphisms and is required for the correct interpretation of genetic association results. By processing genotyping data on > 100 000 subjects from >10 major Illumina genotyping arrays, we have accumulated extensive experience in handling some of the most peculiar scenarios related to the processing and QC of Illumina genotyping data. Here, we describe strategies for processing Illumina genotyping data from the raw data to an analysis ready format, and we elaborate on the necessary QC procedures required at each processing step. High-quality Illumina genotyping data sets can be obtained by following our detailed QC strategies.

原文English
頁(從 - 到)765-775
頁數11
期刊Briefings in bioinformatics
19
發行號5
DOIs
出版狀態Published - 2018 九月 28

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Molecular Biology

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