期刊
NATURE METHODS
卷 13, 期 9, 页码 784-791出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NMETH.3957
关键词
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资金
- Australian National Health and Medical Research Council (NHMRC) Australia [1062470, 1062606]
- Australian Postgraduate Award scholarships
- National Health and Medical Research Council of Australia [1062470, 1062606] Funding Source: NHMRC
The identification of genetic variation with next-generation sequencing is confounded by the complexity of the human genome sequence and by biases that arise during library preparation, sequencing and analysis. We have developed a set of synthetic DNA standards, termed 'sequins', that emulate human genetic features and constitute qualitative and quantitative spike-in controls for genome sequencing. Sequencing reads derived from sequins align exclusively to an artificial in silico reference chromosome, rather than the human reference genome, which allows them them to be partitioned for parallel analysis. Here we use this approach to represent common and clinically relevant genetic variation, ranging from single nucleotide variants to large structural rearrangements and copy-number variation. We validate the design and performance of sequin standards by comparison to examples in the NA12878 reference genome, and we demonstrate their utility during the detection and quantification of variants. We provide sequins as a standardized, quantitative resource against which human genetic variation can be measured and diagnostic performance assessed.
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