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SINGLE CELL ANALYSIS OF TRANSPOSASE ACCESSIBLE CHROMATIN

  • US 20180340170A1
  • Filed: 12/14/2017
  • Published: 11/29/2018
  • Est. Priority Date: 05/26/2017
  • Status: Active Grant
First Claim
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1. A method of generating barcoded nucleic acid fragments, comprising:

  • (a) generating a plurality of partitions, wherein at least a subset of said plurality of partitions comprises;

    (i) a single biological particle from a plurality of biological particles, wherein said single biological particle comprises template DNA molecules and template RNA molecules;

    (ii) a plurality of first barcode oligonucleotide molecules comprising a barcode sequence;

    (iii) a plurality of transposon end oligonucleotide molecules comprising a transposon end sequence;

    (iv) a plurality of transposase molecules;

    (v) a plurality of second barcode oligonucleotide molecules comprising a barcode sequence and a capture sequence; and

    (vi) a plurality of reverse transcriptase molecules;

    (b) generating a plurality of template DNA fragments by subjecting said subset of said plurality of partitions to conditions sufficient to cause transposition of said transposon end oligonucleotide molecules into said template DNA with the aid of a transposase-nucleic acid complex comprising a transposase molecule from said plurality of transposase molecules and a transposon end oligonucleotide molecule from said plurality of transposon end oligonucleotide molecules;

    (c) generating a barcoded DNA fragment using a barcode oligonucleotide molecule from said plurality of first barcode oligonucleotide molecules and a template DNA fragment from said plurality of template DNA fragments; and

    (d) generating a barcoded cDNA molecule from said template RNA molecules by reverse transcription using a barcode oligonucleotide molecule from said plurality of second barcode oligonucleotide molecules.

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