METHODS OF BARCODING NUCLEIC ACID FOR DETECTION AND SEQUENCING

    公开(公告)号:US20240263227A1

    公开(公告)日:2024-08-08

    申请号:US17904394

    申请日:2021-02-17

    摘要: The present invention provides methods to barcode nucleic acid for detection and sequencing. It applies a barcode template in a compartment with various targets, including nucleic acid fragments, nuclei and/or cells. After clonal amplification within the compartment, barcode sequence will integrate into its targets before the compartment is broken so that it will effectively barcode nucleic acid fragments originated from a nucleic acid fragment, a nucleus or a cell clonally. The barcode information can be used for tracking the origin of the fragment, nucleus or cell and be used for haplotype phasing and a variety of single cell-based applications including whole genome sequencing, targeted sequencing, RNA sequencing and immune repertoire sequencing.

    Methods and systems for detecting genetic variants

    公开(公告)号:US12054774B2

    公开(公告)日:2024-08-06

    申请号:US18316870

    申请日:2023-05-12

    摘要: Disclosed herein in are methods and systems for determining genetic variants (e.g., copy number variation) in a polynucleotide sample. A method for determining copy number variations includes tagging double-stranded polynucleotides with duplex tags, sequencing polynucleotides from the sample and estimating total number of polynucleotides mapping to selected genetic loci. The estimate of total number of polynucleotides can involve estimating the number of double-stranded polynucleotides in the original sample for which no sequence reads are generated. This number can be generated using the number of polynucleotides for which reads for both complementary strands are detected and reads for which only one of the two complementary strands is detected.

    HIGHLY ACCURATE SEQUENCING METHOD
    38.
    发明公开

    公开(公告)号:US20240254547A1

    公开(公告)日:2024-08-01

    申请号:US17050686

    申请日:2019-04-26

    申请人: KAO CORPORATION

    IPC分类号: C12Q1/6869

    CPC分类号: C12Q1/6869

    摘要: Provided is a highly accurate sequencing method, specifically, a method for sequencing DNA, the method comprising: (1) preparing fragments of sample DNA; (2) subjecting the fragments of the sample DNA to PCR to produce two or more amplified fragments for each of the fragments of the sample DNA, and obtaining PCR products containing a plurality of amplified fragments; (3) sequencing the PCR products to generate one or more read sequences from the plurality of amplified fragments, and acquiring a plurality of read sequences for the plurality of amplified fragments; (4) collecting, from the plurality of read sequences acquired, read sequences containing sequence information on the same region in the sample DNA into a group to generate one or more groups of read sequences; and (5) building consensus of sequence information among read sequences included in each of the groups of read sequences.