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Exome sequencing and its application

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  • Institute of Dermatology of Anhui Medical University, Hefei 230032, China

Received date: 2011-05-16

  Revised date: 2011-07-11

  Online published: 2011-08-25

Abstract

In recent years, researchers have identified a large number of complex diseases/traits-associated genetic variants by performing genome-wide association studies (GWAS), which may provide important clues on understanding the mechanisms of related diseases. However, GWAS has its own limitations in terms of being false positive, false negative results, very few SNPs located in the functional areas and insensitive to detect rare and structural variations, which results in the application limitation of this method. With the development of the next-generation sequencing technology, whole ge-nome and exome sequencing developed rapidly and provide an opportunity for us to deal with the problem caused by GWAS. This high-throughput sequencing technology is applied for sequencing the exome (1% of genome) to discover most of the diseases-related variations in exons. Furthermore, it is highly effective to detect common and rare variations. Due to these advantages, exome sequencing has become a powerful and efficient strategy for identifying the genes responsible for mendelian disorders and complex diseases, which will be very helpful for the diseases clinical diagnosis.

Cite this article

ZHANG Xin, LI Min, ZHANG Xue-Jun . Exome sequencing and its application[J]. Hereditas(Beijing), 2011 , 33(8) : 847 -856 . DOI: 10.3724/SP.J.1005.2011.00847

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