IP Library › Granted Patent US 12,188,088
Granted Patent B1
US 12,188,088 · App. 18/335,936 · Granted Jan 7, 2025

Multiplexed targeted amplification of polynucleotides

Inventors: Eli N. Glezer (Del Mar, CA); Daan Witters (San Diego, CA); Tung Thanh Le (San Diego, CA)
Assignee: Singular Genomics Systems, Inc.
C12Q1/6874B01L3/502761B01L2200/0652B01L2200/16B01L2300/0829C12Q2600/16
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Quick Facts
Patent No.
US 12,188,088
App. No.
18/335,936
Granted
Jan 7, 2025
Kind
B1
Abstract

Disclosed herein, inter alia, are compositions and methods for efficient amplification and sequencing of nucleic acid templates.

Claims (37)

1. A method of sequencing, said method comprising

contacting a solid support with a sample comprising a first target polynucleotide and a second target polynucleotide, wherein said first target polynucleotide is different from said second target polynucleotide, and wherein said solid support comprises

a first oligonucleotide attached to wells of the solid support at its 5′ end, comprising a sequence capable of hybridizing to a first endogenous region of the first target polynucleotide and a sequencing primer binding sequence, and a second oligonucleotide comprising a sequence capable of hybridizing to the complement of a second endogenous region of said first target polynucleotide; and

a third oligonucleotide attached to wells of the solid support at its 5′ end, comprising a sequence capable of hybridizing to a first endogenous region of the second target polynucleotide and the sequencing primer binding sequence, and a fourth oligonucleotide comprising a sequence capable of hybridizing to the complement of a second endogenous region of said second target polynucleotide;

forming a first extension product comprising the sequencing primer binding sequence by hybridizing the first target polynucleotide to the first oligonucleotide and extending the first oligonucleotide; forming a second extension product comprising the sequencing primer binding sequence by a hybridizing the second target polynucleotide to the third oligonucleotide and extending the third oligonucleotide; and

sequencing the first extension product and sequencing the second extension product, wherein said sequencing the first extension product and sequencing the second extension product comprises hybridizing a sequencing primer to the sequencing primer binding sequence of each of the first extension product and sequencing the second extension product, binding one or more labeled nucleotides to the hybridized sequencing primer, and detecting the bound labeled nucleotides,

wherein the solid support comprises 2, 4, 6, 12, 24, 48, 96, 384, or 1536 wells, wherein each of the wells comprises a plurality of nanowells, wherein each of the nanowells is about 0.1 μm to about 2.0 μm in depth, and about 0.1 μm to about 2.0 μm in diameter.

2. The method of claim 1 , wherein both the first endogenous region and the second endogenous region of the first target polynucleotide comprise a gene or its fragment thereof.

3. The method of claim 1 , wherein each of the wells is about 5 mm to about 8 mm in diameter.

4. The method of claim 1 , wherein the wells of the solid support comprises a density of about 0.2 wells to about 4.0 wells per μm.

5. The method of claim 1 , wherein each of the nanowells is separated from each other by a distance from about 0.2 μm to about 2.0 μm.

6. The method of claim 1 , wherein said sequencing the first extension product and said sequencing the second extension product are performed by sequencing-by-synthesis, sequencing-by-ligation, or sequencing-by-binding.

7. The method of claim 1 , wherein said sequencing the first extension product and said sequencing the second extension product are performed by sequencing-by-synthesis.

8. The method of claim 1 , wherein the sequencing primer binding sequence comprises SEQ ID NO:1, or its full complement thereof, or SEQ ID NO:2, or its full complement thereof, or SEQ ID NO:3, or its full complement thereof, or SEQ ID NO:4, or its full complement thereof.

9. The method of claim 1 , wherein the first target polynucleotide and the second target polynucleotide do not comprise a common primer binding sequence.

10. The method of claim 1 , wherein the first oligonucleotide, second oligonucleotide, third oligonucleotide, and fourth oligonucleotide comprise about 30, about 35, about 40, about 45, about 50, or about 55 nucleotides.

11. The method of claim 1 , wherein the first oligonucleotide, second oligonucleotide, third oligonucleotide, and fourth oligonucleotide comprise 30 or more than 30 nucleotides.

12. The method of claim 1 , prior to said sequencing the first extension product and said sequencing the second extension product, generating amplification products by amplifying the first extension product and the second extension product.

13. The method of claim 12 , further comprising sequencing the amplification products.

14. The method of claim 1 , wherein the first target polynucleotide is a linear single stranded DNA polynucleotide and the second target polynucleotide is a linear single stranded DNA polynucleotide.

15. The method of claim 1 , wherein the sequencing primer binding sequence comprises SEQ ID NO: 1, or its full complement thereof, or SEQ ID NO:4, or its full complement thereof.

16. A method of sequencing, said method comprising

contacting a solid support with a first target polynucleotide and a second target polynucleotide which is different from the first target polynucleotide, wherein the solid support comprises 2, 4, 6, 12, 24, 48, 96, 384, or 1536 wells, wherein each of the wells comprises a plurality of nanowells, wherein each of the nanowells is about 0.1 μm to about 2.0 μm in depth, and about 0.1 μm to about 2.0 μm in diameter;

forming a first extension product by hybridizing the first target polynucleotide to a first oligonucleotide and extending the first oligonucleotide; wherein the first oligonucleotide is attached to the wells of the solid support at its 5′ end and comprises a sequence capable of hybridizing to an endogenous region of the first target polynucleotide and a sequencing primer binding sequence;

forming a second extension product by hybridizing the second target polynucleotide to a second oligonucleotide and extending the second oligonucleotide; wherein the second oligonucleotide is attached to the wells of the solid support at its 5′ end and comprises a sequence capable of hybridizing to an endogenous region of the second target polynucleotide and the sequencing primer binding sequence; and

sequencing the first extension product and sequencing the second extension product, wherein each of the first extension product and the second extension product comprises the sequencing primer binding sequence and said sequencing the first extension product and sequencing the second extension product comprises hybridizing a sequencing primer to the sequencing primer binding sequence of each of the first extension product and the second extension product, binding one or more labeled nucleotides to the hybridized sequencing primer, and detecting the bound labeled nucleotides.

17. The method of claim 16 , wherein the endogenous region of each of said first target polynucleotide and said second target polynucleotide comprises a gene or its fragment thereof.

18. The method of claim 16 , wherein the first target polynucleotide and the second target polynucleotide do not comprise a common primer binding sequence.

19. A method of sequencing, said method comprising

contacting a solid support with a sample comprising a first target polynucleotide and a second target polynucleotide, wherein said first target polynucleotide is different from said second target polynucleotide, and wherein said solid support comprises

a first oligonucleotide attached to the solid support at its 5′ end a sequence capable of hybridizing to an endogenous region of the first target polynucleotide and a sequencing primer binding sequence; and

a second oligonucleotide attached to the solid support at its 5′ end a sequence capable of hybridizing to an endogenous region of the second target polynucleotide and the sequencing primer binding sequence;

forming a first extension product comprising the sequencing primer binding sequence by hybridizing the first target polynucleotide to the first oligonucleotide and extending the first oligonucleotide; forming a second extension product comprising the sequencing primer binding sequence by hybridizing the second target polynucleotide to the second oligonucleotide and extending the second oligonucleotide; and

sequencing the first extension product and sequencing the second extension product, wherein said sequencing the first extension product and sequencing the second extension product comprises hybridizing a sequencing primer to the sequencing primer binding sequence, binding one or more labeled nucleotides to the hybridized sequencing primer, and detecting the bound labeled nucleotides,

wherein the sequencing primer binding sequence comprises SEQ ID NO:1, or its full complement thereof, or SEQ ID NO:2, or its full complement thereof, or SEQ ID NO:3, or its full complement thereof.

20. The method of claim 19 , wherein the endogenous region of each of said first target polynucleotide and said second target polynucleotide comprises a gene or its fragment thereof.

21. The method of claim 19 , wherein the first target polynucleotide and the second target polynucleotide do not comprise a common primer binding sequence.

Assignments (3)
SECURITY INTEREST Recorded Mar 7, 2025
From: SINGULAR GENOMICS SYSTEMS, INC.
To: FIRST-CITIZENS BANK & TRUST COMPANY
Reel/Frame 070440/0465 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 6, 2023
From: GLEZER, ELI N.; WITTERS, DAAN; LE, TUNG THANH
To: SINGULAR GENOMICS SYSTEMS, INC
Reel/Frame 065151/0638 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 2, 2023
From: GLEZER, ELI N.; WITTERS, DAAN; LE, TUNG THANH
To: SINGULAR GENOMICS SYSTEMS, INC
Reel/Frame 064472/0612 →
Continuity (4)
Continuation PCTUS2022078470 · Oct 20, 2022
Provisional Application 63271837 · Oct 26, 2021
Provisional Application 63311576 · Feb 18, 2022
Provisional Application 63373017 · Aug 19, 2022
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