Massive parallel method for decoding DNA and RNA
DC CAFCFirst Claim
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1. A method of determining the identity of a nucleotide analogue incorporated into a nucleic acid primer extension strand, comprising:
- a) contacting a nucleic acid template attached to a solid surface with a nucleic acid primer which hybridizes to the template;
b) simultaneously contacting the product of step a) with a polymerase and four nucleotide analogues which are either (i) aA, aC, aG, and aT, or (ii) aA, aC, aG, and aU, so as to incorporate one of the nucleotide analogues onto the nucleic acid primer and form a nucleic acid primer extension strand, wherein each nucleotide analogue within (i) or (ii) comprises a base labeled with a unique label and contains a removable chemical moiety capping the 3′
-OH group of the sugar of the nucleotide analogue, and wherein at least one of the four nucleotide analogues within (i) or (ii) is deaza-substituted; and
c) detecting the unique label of the incorporated nucleotide analogue,so as to thereby determine the identity of the nucleotide analogue incorporated into the nucleic acid primer extension strand.
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Abstract
This invention provides methods for attaching a nucleic acid to a solid surface and for sequencing nucleic acid by detecting the identity of each nucleotide analogue after the nucleotide analogue is incorporated into a growing strand of DNA in a polymerase reaction. The invention also provides nucleotide analogues which comprise unique labels attached to the nucleotide analogue through a cleavable linker, and a cleavable chemical group to cap the —OH group at the 3′-position of the deoxyribose.
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Citations
17 Claims
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1. A method of determining the identity of a nucleotide analogue incorporated into a nucleic acid primer extension strand, comprising:
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a) contacting a nucleic acid template attached to a solid surface with a nucleic acid primer which hybridizes to the template; b) simultaneously contacting the product of step a) with a polymerase and four nucleotide analogues which are either (i) aA, aC, aG, and aT, or (ii) aA, aC, aG, and aU, so as to incorporate one of the nucleotide analogues onto the nucleic acid primer and form a nucleic acid primer extension strand, wherein each nucleotide analogue within (i) or (ii) comprises a base labeled with a unique label and contains a removable chemical moiety capping the 3′
-OH group of the sugar of the nucleotide analogue, and wherein at least one of the four nucleotide analogues within (i) or (ii) is deaza-substituted; andc) detecting the unique label of the incorporated nucleotide analogue, so as to thereby determine the identity of the nucleotide analogue incorporated into the nucleic acid primer extension strand. - View Dependent Claims (2, 3, 4, 5, 6, 7, 14, 15, 16, 17)
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8. A method of determining the identity of a nucleotide analogue incorporated into a nucleic acid, comprising:
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a) providing the nucleic acid molecule comprising an azido group, a polymerase, and one or more nucleotide analogues selected from the group consisting of aA, aC, aG, aU and aT, wherein each nucleotide analogue is labeled with a unique label and contains a removable chemical moiety capping the 3′
-OH group;b) incorporating one of the nucleotide analogues into the nucleic acid with said polymerase; and c) detecting the unique label of the nucleotide analogue, so as to thereby determine the identity of the incorporated nucleotide analogue.
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9. A method of determining the identity of a nucleotide analogues incorporated into a nucleic acid molecule, comprising:
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a) providing a plurality of different nucleic acids, a polymerase, and a plurality of nucleotide analogues, wherein each nucleic acid is attached to a solid surface and self-primes and each nucleotide analogue is labeled with a unique label and contains a removable chemical moiety capping the 3′
-OH group;b) incorporating a first nucleotide analogue into one of the nucleic acids with the polymerase; c) detecting the label of the incorporated nucleotide analogue so as to thereby determine the identity of the nucleotide analogue incorporated into the nucleic acid molecule; and d) removing the chemical moiety of the incorporated nucleotide analogue capping the 3′
-OH group, thereby permitting the incorporation of further nucleotide analogues so as to create growing, annealed nucleic acid strands. - View Dependent Claims (10)
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11. A plurality of nucleic acid templates immobilized on a solid surface, wherein a nucleic acid primer is hybridized to such nucleic acid templates each such nucleic acid primer comprising a labeled incorporated nucleotide analogue, at least one of which is deaza-substituted, wherein each labeled nucleotide analogue comprises a base labeled with a unique label and contains a removable chemical moiety capping the 3′
- -OH group of the sugar of the nucleotide analogue.
- View Dependent Claims (12)
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13. A plurality of nucleic acids immobilized on a solid surface, wherein at least one of the nucleic acids comprises an immobilized DNA template that self-primes in a polymerase reaction, said nucleic acids comprising incorporated nucleotide analogues, each such nucleotide analogues comprising a unique label and a chemical moiety capping the 3′
- -OH group.
Specification