Methods and systems for processing polynucleotides
First Claim
Patent Images
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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Abstract
This disclosure provides methods and compositions for sample processing, particularly for sequencing applications. Included within this disclosure are bead compositions, such as diverse libraries of beads attached to large numbers of oligonucleotides containing barcodes. Often, the beads provides herein are degradable. For example, they may contain disulfide bonds that are susceptible to reducing agents. The methods provided herein include methods of making libraries of barcoded beads as well as methods of combining the beads with a sample, such as by using a microfluidic device.
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Citations
30 Claims
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1. A composition comprising:
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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; andwherein M=96, N=96, m≥
6, and n≥
6. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A composition comprising:
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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-T, wherein (i) A is an adapter sequence, (ii) L is a linking sequence, and (iii) T is a poly-T 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; andwherein M=96, N=96, m≥
6, and n≥
6.
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Specification