Gene Splicing by Overlap Extension: Tailor-Made Genes Using the Polymerase Chain Reaction
2013
Robert M. Horton | Zeling Cai | Steffan N. Ho | Larry R. Pease
Gene Splicing by Overlap Extension or “gene SOEing” is a PCR-based method of recombining DNA sequences without reliance on restriction sites and of directly generating mutated DNA fragments in vitro. By modifying the sequences incorporated into the 5′-ends of the primers, any pair of polymerase chain reaction products can be made to share a common sequence at one end. Under polymerase chain reaction conditions, the common sequence allows strands from two different fragments to hybridize to one another, forming an overlap. Extension of this overlap by DNA polymerase yields a recombinant molecule. This powerful and technically simple approach offers many advantages over conventional approaches for manipulating gene sequences.
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