Spatial sequencing of nucleic acids using DNA origami probes
First Claim
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1. A method for identifying one or more nucleotides of a single stranded nucleic acid molecule, comprising:
- (a) providing said single stranded nucleic acid molecule comprising at least one nucleic acid probe coupled thereto, wherein said at least one nucleic acid probe includes a nucleic acid sequence complementary to said single stranded nucleic acid molecule and a spatially distinct nucleic acid structure, wherein said nucleic acid sequence is attached to said spatially distinct nucleic acid structure via a linker, wherein said spatially distinct nucleic acid structure is a folded configuration comprising a plurality of separate strands, and wherein said spatially distinct nucleic acid structure corresponds to one or more nucleotides of said at least one nucleic acid probe coupled to said single stranded nucleic acid molecule;
(b) detecting one or more signals from said spatially distinct nucleic acid structure; and
(c) using said one or more signals detected in (b) to identify said one or more nucleotides of said at least one nucleic acid probe, thereby identifying said one or more nucleotides of said single stranded nucleic acid molecule.
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Abstract
A method of sequencing nucleic acids is provided using DNA origami as a barcode for a nucleic acid probe.
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19 Claims
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1. A method for identifying one or more nucleotides of a single stranded nucleic acid molecule, comprising:
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(a) providing said single stranded nucleic acid molecule comprising at least one nucleic acid probe coupled thereto, wherein said at least one nucleic acid probe includes a nucleic acid sequence complementary to said single stranded nucleic acid molecule and a spatially distinct nucleic acid structure, wherein said nucleic acid sequence is attached to said spatially distinct nucleic acid structure via a linker, wherein said spatially distinct nucleic acid structure is a folded configuration comprising a plurality of separate strands, and wherein said spatially distinct nucleic acid structure corresponds to one or more nucleotides of said at least one nucleic acid probe coupled to said single stranded nucleic acid molecule; (b) detecting one or more signals from said spatially distinct nucleic acid structure; and (c) using said one or more signals detected in (b) to identify said one or more nucleotides of said at least one nucleic acid probe, thereby identifying said one or more nucleotides of said single stranded nucleic acid molecule. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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- 16. A composition for identifying one or more nucleotides of a single stranded nucleic acid molecule, comprising said single stranded nucleic acid molecule comprising at least one nucleic acid probe coupled thereto, wherein said at least one nucleic acid probe is coupled to an oligonucleotide molecule coupled to said single stranded nucleic acid molecule, wherein said at least one nucleic acid probe includes a spatially distinct nucleic acid structure, which spatially distinct nucleic acid structure is a folded configuration comprising a plurality of separate strands, and wherein said spatially distinct nucleic acid structure corresponds to one or more nucleotides of said nucleic acid probe coupled to said single stranded nucleic acid molecule.
Specification