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A comparison of whole genome sequencing with exome sequencing for family-based association studies.


ABSTRACT: As the cost of DNA sequencing decreases, association studies based on whole genome sequencing are now becoming feasible. It is still unclear, however, how much more we could gain from whole genome sequencing compared to exome sequencing, which has been widely used to study a variety of diseases. In this project, we performed a comparison between whole genome sequencing and exome sequencing for family-based association analysis using data from Genetic Analysis Workshop 18. Whole genome sequencing was able to identify several significant hits within intergenic regions. However, the increased cost of multiple testing counteracted the benefits and resulted in a higher false discovery rate. Our results suggest that exome sequencing is a cost-effective way to identify disease-related variants. With the decreasing sequencing cost and accumulating knowledge of the human genome, whole genome sequencing has the potential to identify important variants in regulatory regions typically inaccessible for exome sequencing.

SUBMITTER: Lacey S 

PROVIDER: S-EPMC4143706 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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A comparison of whole genome sequencing with exome sequencing for family-based association studies.

Lacey Sean S   Chung Jae Yoon JY   Lin Honghuang H  

BMC proceedings 20140617 Suppl 1 Genetic Analysis Workshop 18Vanessa Olmo


As the cost of DNA sequencing decreases, association studies based on whole genome sequencing are now becoming feasible. It is still unclear, however, how much more we could gain from whole genome sequencing compared to exome sequencing, which has been widely used to study a variety of diseases. In this project, we performed a comparison between whole genome sequencing and exome sequencing for family-based association analysis using data from Genetic Analysis Workshop 18. Whole genome sequencing  ...[more]

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