期刊
NATURE METHODS
卷 10, 期 9, 页码 903-U122出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NMETH.2572
关键词
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资金
- US National Science Foundation [DGE-1256082]
- US National Institutes of Health [HG004120, HG002385]
- Howard Hughes Medical Institute
- NATIONAL HUMAN GENOME RESEARCH INSTITUTE [R01HG002385, P01HG004120] Funding Source: NIH RePORTER
Over 900 genes have been annotated within duplicated regions of the human genome, yet their functions and potential roles in disease remain largely unknown. One major obstacle has been the inability to accurately and comprehensively assay genetic variation for these genes in a high-throughput manner. We developed a sequencing-based method for rapid and high-throughput genotyping of duplicated genes using molecular inversion probes designed to target unique paralogous sequence variants. We applied this method to genotype all members of two gene families, SRGAP2 and RH, among a diversity panel of 1,056 humans. The approach could accurately distinguish copy number in paralogs having up to similar to 99.6% sequence identity, identify small gene-disruptive deletions, detect single-nucleotide variants, define breakpoints of unequal crossover and discover regions of interlocus gene conversion. The ability to rapidly and accurately genotype multiple gene families in thousands of individuals at low cost enables the development of genome-wide gene conversion maps and 'unlocks' many previously inaccessible duplicated genes for association with human traits.
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