Coupling adaptors to a target nucleic acid
First Claim
1. A method of coupling adaptors to a target nucleic acid, the method comprising:
- coupling a first adaptor to a first end of the target nucleic acid to form a coupled first adaptor;
hybridizing a portion of a second adaptor to a portion of the coupled first adaptor to produce a hybridized structure having a hybridized second adaptor in which the hybridized second adaptor comprises a single-stranded 3′
-end; and
coupling the single-stranded 3′
-end of the hybridized second adaptor of the hybridized structure to a second end of the target nucleic acid to form an adaptor-flanked product, the adaptor-flanked product comprising at least a part of the first adaptor coupled to the first end of the target nucleic acid and at least a part of the second adaptor coupled to the second end of the target nucleic acid.
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Abstract
Methods of coupling adaptors to a target nucleic acid include coupling a first adaptor to a first end of the target nucleic acid to form a coupled first adaptor. A portion of a second adaptor is hybridized to a portion of the coupled first adaptor to form a hybridized second adaptor having a single-stranded 3′-end. The hybridized second adaptor is coupled to a second end of the target nucleic acid to form an adaptor-flanked product having at least a part of the first adaptor coupled to the first end of the target nucleic acid and at least a part of the second adaptor coupled to the second end of the target nucleic acid. These methods can minimize the formation of adaptor-dimers that may be problematic in subsequent complementary nucleic acid strand synthesis, amplification, and sequencing.
16 Citations
26 Claims
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1. A method of coupling adaptors to a target nucleic acid, the method comprising:
-
coupling a first adaptor to a first end of the target nucleic acid to form a coupled first adaptor; hybridizing a portion of a second adaptor to a portion of the coupled first adaptor to produce a hybridized structure having a hybridized second adaptor in which the hybridized second adaptor comprises a single-stranded 3′
-end; andcoupling the single-stranded 3′
-end of the hybridized second adaptor of the hybridized structure to a second end of the target nucleic acid to form an adaptor-flanked product, the adaptor-flanked product comprising at least a part of the first adaptor coupled to the first end of the target nucleic acid and at least a part of the second adaptor coupled to the second end of the target nucleic acid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification