Massively Parallel single cell analysis
View Patent ↗The disclosure provides for methods, compositions, and kits for multiplex nucleic acid analysis of single cells. The methods, compositions and systems may be used for massively parallel single cell sequencing. The methods, compositions and systems may be used to analyze thousands of cells concurrently. The thousands of cells may comprise a mixed population of cells (e.g., cells of different types or subtypes, different sizes).
1. A method comprising: introducing a single bead with a single cell into a partition, wherein said single bead comprises a plurality of oligonucleotides, wherein each of said plurality of oligonucleotides comprises an identical cellular label sequence, a molecular label sequence, and a target-binding region, wherein the cellular label sequence comprises at least 6 nucleotides, wherein the molecular label sequence comprises at least 6 nucleotides, and wherein at least 100 of said plurality of oligonucleotides comprise different molecular label sequences.
2. The method of claim 1 , wherein the partition comprises a well or a droplet.
3. The method of claim 1 , comprising lysing said single cell after associating said single bead with said single cell.
4. The method of claim 1 , comprising lysing said single cell before associating said single bead with said single cell.
5. The method of claim 1 , comprising attaching nucleic acid target molecules associated with said single cell to said plurality of oligonucleotides.
6. The method of claim 5 , comprising performing a nucleic acid extension reaction on nucleic acid target molecules attached to said plurality of oligonucleotides.
7. The method of claim 6 , wherein the nucleic acid extension reaction comprises a reverse transcription reaction.
8. The method of claim 6 , wherein the nucleic acid extension reaction is performed using a reverse transcriptase, a DNA polymerase, or a combination thereof.
9. The method of claim 5 , wherein said nucleic acid target molecules comprise a messenger ribonucleic acid (mRNA) molecule.
10. The method of claim 5 , wherein said nucleic acid target molecules comprise a deoxyribonucleic acid (DNA) molecule.
11. The method of claim 5 , wherein said nucleic acid target molecules comprise a sample tag oligonucleotide.
12. The method of claim 11 , wherein the sample tag oligonucleotide is 50-500 nucleotides in length.
13. The method of claim 1 , wherein the molecular label sequence is 6-30 nucleotides in length.
14. The method of claim 1 , wherein the cellular label sequence is 6-30 nucleotides in length.
15. The method of claim 1 , wherein at least 10,000 of said plurality of oligonucleotides comprise different molecular label sequences.
16. The method of claim 1 , wherein at least 700,000 of said plurality of oligonucleotides comprise different molecular label sequences.
17. The method of claim 1 , wherein about 1,000,000 of said plurality of oligonucleotides comprise different molecular label sequences.
18. The method of claim 11 , comprising labeling the sample tag oligonucleotide using an oligonucleotide of said plurality of oligonucleotides.
19. The method of claim 1 , comprising labeling target nucleic acid molecules associated with said single cell using said plurality of oligonucleotides.
20. The method of claim 19 , comprising stochastically labeling target nucleic acid molecules associated with said single cell using said plurality of oligonucleotides.
21. The method of claim 5 , wherein a nucleic acid target molecule of said nucleic acid target molecules is associated with said single cell via a peptide.
22. The method of claim 21 , wherein the peptide comprises an antibody.
23. The method of claim 21 , comprising contacting the peptide with said single cell, whereby the peptide binds to said single cell.
24. The method of claim 1 , wherein said target-binding region comprises a sequence selected from the group consisting of an oligo-dT sequence, a gene-specific sequence, a target-specific sequence, a multimer sequence, a random multimer sequence, and a complement thereof.
25. The method of claim 1 , wherein said single bead comprises silica gel, controlled pore glass, Wang resin, Merrifield resin, a Dynabead, a Sephadex bead, a Sepharose bead, a cellulose bead, a polystyrene bead, or any combination thereof.
26. The method of claim 1 , wherein said single bead comprises a material selected from the group consisting of polydimethylsiloxane (PDMS), polystyrene, glass, polypropylene, agarose, gelatin, hydrogel, a paramagnetic material, ceramic, plastic, glass, methylstyrene, acrylic polymer, titanium, latex, sepharose, cellulose, nylon, silicone, and any combination thereof.
27. The method of claim 1 , wherein said single bead comprises a hydrogel bead, a magnetic bead, or a combination thereof.
28. The method of claim 1 , comprising estimating the number of said target nucleic acid molecules.
29. The method of claim 28 , wherein said estimating comprises counting the number of unique oligonucleotides associated with a distinct target nucleic acid molecule of said target nucleic acid molecules associated with said single cell.
30. The method of claim 11 , comprising determining an origin of said single cell based on the sequence of the sample tag oligonucleotide, or a portion thereof.