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CONTROLLED STRAND-DISPLACEMENT FOR PAIRED-END SEQUENCING
CONTROLLED STRAND-DISPLACEMENT FOR PAIRED-END SEQUENCING
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机译:用于配对结束测序的控制链位移
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摘要
Provided are methods and compositions used for paired-end sequencing. The method comprises providing a DNA array comprising a surface immobilized with DNA concatemers. Foreach of the plurality of DNA concatemers on the array, the method comprises annealing first read primers to primer binding sites on the DNA concatemer, extending at least some of the first read primers to incorporate dNTPs or dNTP analogs, thereby producing first read strands, each of the dNTPs or dNTP analogs being incorporated is identified to produce first reads, performing controlled MDA by extending at least some of the first read strands with a polymerase having strand-displacement activity to generate a plurallty of second strands, each second strand comprising a portion that is hybridized to the DNA concatemer, and an unhybridized, single-stranded branch; and annealing second read primers to the single-stranded branches of the plurality of second strands, and extending the second read primers to generate the second reads.
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