Methods for nucleic acid manipulation
First Claim
1. A method for replicating a target nucleic acid sequence comprising:
- contacting said target nucleic acid sequence with two primers that are complementary to the ends of said target nucleic acid sequence, a polymerase, bacteriophage UvsX protein, and nucleotides in an amount sufficient to support amplification of said target nucleic acid sequence, said replicating being carried out at a temperature below about 45°
C.
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Abstract
A method for replicating and amplifying a target nucleic acid sequence is described. A method of the invention involves the formation of a recombination intermediate without the prior denaturing of a nucleic acid duplex through the use of a recombination factor. The recombination intermediate is treated with a high fidelity polymerase to permit the replication and amplification of the target nucleic acid sequence. In preferred embodiments, the polymerase comprises a polymerase holoenzyme. In further preferred embodiments, the recombination factor is bacteriophage T4 UvsX protein or homologs from other species, and the polymerase holoenzyme comprises a polymerase enzyme, a clamp protein and a clamp loader protein, derived from viral, bacteriophage, prokaryotic, archaebacterial, or eukaryotic systems.
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Citations
30 Claims
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1. A method for replicating a target nucleic acid sequence comprising:
contacting said target nucleic acid sequence with two primers that are complementary to the ends of said target nucleic acid sequence, a polymerase, bacteriophage UvsX protein, and nucleotides in an amount sufficient to support amplification of said target nucleic acid sequence, said replicating being carried out at a temperature below about 45°
C.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for replicating a target nucleic acid sequence comprising:
contacting said target nucleic acid sequence with two primers that are complementary to the ends of said target nucleic acid sequence, a polymerase, bacteriophage UvsX protein, and nucleotides in an amount sufficient to support amplification of said target nucleic acid sequence, said replicating being carried out independent of using a thermal cycle. - View Dependent Claims (12, 13, 23, 24, 25, 26)
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14. A method for replicating a target nucleic acid sequence comprising:
- contacting said target nucleic acid sequence with two primers that are complementary to the ends of said target nucleic acid sequence, a polymerase, bacteriophage UvsX protein, and nucleotides in an amount sufficient to support amplification of said target nucleic acid sequence, said primers present in a molar excess relative to said target nucleic acid sequence.
- View Dependent Claims (27, 28, 29, 30)
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15. A method for replicating a target nucleic acid sequence comprising:
contacting said target nucleic acid sequence with two primers that are complementary to the ends of said target nucleic acid sequence, a prokaryotic polymerase, bacteriophage UvsX protein, and nucleotides in an amount sufficient to support amplification of said target nucleic acid sequence. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
Specification