Paired-end mapping reveals extensive structural variation in the human genome.
Paired-end mapping reveals extensive structural variation in the human genome.
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DOI:
10.1126/science.1149504
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发表时间:
2007-10-19
期刊:
影响因子:
--
通讯作者:
Snyder M
中科院分区:
文献类型:
--
作者:
Korbel JO;Urban AE;Affourtit JP;Godwin B;Grubert F;Simons JF;Kim PM;Palejev D;Carriero NJ;Du L;Taillon BE;Chen Z;Tanzer A;Saunders AC;Chi J;Yang F;Carter NP;Hurles ME;Weissman SM;Harkins TT;Gerstein MB;Egholm M;Snyder M
Structural variation of the genome involves kilobase- to megabase-sized deletions, duplications, insertions, inversions, and complex combinations of rearrangements. We introduce high-throughput and massive paired-end mapping (PEM), a large-scale genome-sequencing method to identify structural variants (SVs) ~3 kilobases (kb) or larger that combines the rescue and capture of paired ends of 3-kb fragments, massive 454 sequencing, and a computational approach to map DNA reads onto a reference genome. PEM was used to map SVs in an African and in a putatively European individual and identified shared and divergent SVs relative to the reference genome. Overall, we fine-mapped more than 1000 SVs and documented that the number of SVs among humans is much larger than initially hypothesized; many of the SVs potentially affect gene function. The breakpoint junction sequences of more than 200 SVs were determined with a novel pooling strategy and computational analysis. Our analysis provided insights into the mechanisms of SV formation in humans.
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