| 简介 |
The invention is directed to methods for increasing the sensitivity of high throughput sequencing, particularly for distinguishing true rare mutations from amplification, sequencing and other sample processing errors that occur in sequencing techniques. In one aspect, methods of the invention includes steps of (a) preparing templates from nucleic acids in a sample; (b) labeling by sampling the templates to form tag-template conjugates, wherein substantially every template of a tag-template conjugate has a unique sequence tag; (c) linearly amplifying the tag-template conjugates; (d) generating a plurality of sequence reads from the linearly amplified tag-template conjugates; and (e) determining a nucleotide sequence of each of the nucleic acids based on the frequencies, or numbers, of each type of nucleotide at each nucleotide position of each plurality of sequence reads having identical sequence tags. |
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