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Methods and systems for processing polynucleotides

  • US 10,626,458 B2
  • Filed: 06/07/2019
  • Issued: 04/21/2020
  • Est. Priority Date: 08/14/2012
  • Status: Active Grant
First Claim
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1. A composition comprising:

  • a plurality of beads comprising a plurality of oligonucleotide molecules covalently attached thereto;

    wherein said plurality of oligonucleotide molecules comprises a plurality of barcode sequences;

    wherein said plurality of beads comprises N×

    M beads;

    wherein said plurality of barcode sequences comprises N×

    M different barcode sequences;

    wherein each barcode sequence of said plurality of barcode sequences comprises a first barcode sequence segment (B1) and a second barcode sequence segment (B2);

    wherein each oligonucleotide molecule of said plurality of oligonucleotide molecules comprises a sequence having the structure A-B1-L-B2-C, wherein (i) A is an adapter sequence, (ii) L is a linking sequence, and (iii) C is a capture sequence selected from the group consisting of a poly-T sequence, a random N-mer sequence, and a gene-specific primer sequence;

    wherein said plurality of barcode sequences comprises;

    (i) M different first barcode sequence segments at least m nucleotides in length, and (ii) N different second barcode sequence segments at least n nucleotides in length; and

    wherein M=96, N=96, m≥

    6, and n≥

    6.

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