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Discovery of common Asian copy number variants using integrated high-resolution array CGH and massively parallel DNA sequencing

Cited 156 time in Web of Science Cited 161 time in Scopus
Issue Date
2010-05
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE GENETICS; Vol.42 5; 400-U61
Abstract
Copy number variants (CNVs) account for the majority of human genomic diversity in terms of base coverage. Here, we have developed and applied a new method to combine high-resolution array comparative genomic hybridization (CGH) data with whole-genome DNA sequencing data to obtain a comprehensive catalog of common CNVs in Asian individuals. The genomes of 30 individuals from three Asian populations (Korean, Chinese and Japanese) were interrogated with an ultra-high-resolution array CGH platform containing 24 million probes. Whole-genome sequencing data from a reference genome (NA10851, with 28.3x coverage) and two Asian genomes (AK1, with 27.8x coverage and AK2, with 32.0x coverage) were used to transform the relative copy number information obtained from array CGH experiments into absolute copy number values. We discovered 5,177 CNVs, of which 3,547 were putative Asian-specific CNVs. These common CNVs in Asian populations will be a useful resource for subsequent genetic studies in these populations, and the new method of calling absolute CNVs will be essential for applying CNV data to personalized medicine.
ISSN
1061-4036
Language
English
URI
https://hdl.handle.net/10371/76846
DOI
https://doi.org/10.1038/ng.555
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Biochemistry & Molecular Biology (생화학교실)Journal Papers (저널논문_생화학교실)
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