Author:
Eberle Michael A.,Fritzilas Epameinondas,Krusche Peter,Källberg Morten,Moore Benjamin L.,Bekritsky Mitchell A.,Iqbal Zamin,Chuang Han-Yu,Humphray Sean J.,Halpern Aaron L.,Kruglyak Semyon,Margulies Elliott H.,McVean Gil,Bentley David R.
Abstract
Improvement of variant calling in next-generation sequence data requires a comprehensive, genome-wide catalog of high-confidence variants called in a set of genomes for use as a benchmark. We generated deep, whole-genome sequence data of 17 individuals in a three-generation pedigree and called variants in each genome using a range of currently available algorithms. We used haplotype transmission information to create a phased “Platinum” variant catalog of 4.7 million single-nucleotide variants (SNVs) plus 0.7 million small (1–50 bp) insertions and deletions (indels) that are consistent with the pattern of inheritance in the parents and 11 children of this pedigree. Platinum genotypes are highly concordant with the current catalog of the National Institute of Standards and Technology for both SNVs (>99.99%) and indels (99.92%) and add a validated truth catalog that has 26% more SNVs and 45% more indels. Analysis of 334,652 SNVs that were consistent between informatics pipelines yet inconsistent with haplotype transmission (“nonplatinum”) revealed that the majority of these variants are de novo and cell-line mutations or reside within previously unidentified duplications and deletions. The reference materials from this study are a resource for objective assessment of the accuracy of variant calls throughout genomes.
Publisher
Cold Spring Harbor Laboratory
Subject
Genetics (clinical),Genetics
Cited by
319 articles.
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