Author: Horton, R.M.; Hunt, H.D.; Ho, S.N.; Pullen, J.K.; Pease, L.R.
Description: Gene splicing by overlap extension is a new approach for recombining DNA molecules at precise junctions irrespective of nucleotide sequences at the recombination site and without the use of restriction endonucleases or ligase. Fragments from the genes that are to be recombined are generated in separate polymerase chain reactions (PCRs). The primers are designed so that the ends of the products contain complementary sequences. When these PCR products are mixed, denatured, and reannealed, the strands having the matching sequences at their 3′ ends overlap and act as primers for each other. Extension of this overlap by DNA polymerase produces a molecule in which the original sequences are ‘spliced’ together. This technique is used to construct a gene encoding a mosaic fusion protein comprised of parts of two different mouse class-I major histocompatibility genes. This simple and widely applicable approach has significant advantages over standard recombinant DNA techniques.
Subject headings: Genetic engineering; polymerase chain reaction; recombinant DNA; Taq polymerase; complementary sequences; frequency of errors; exon; intron; mosaic fusion protein; mouse histocompatibility genes; Nuclease
Publication year: 1989
Journal or book title: Gene
Volume: 77
Issue: 1
Pages: 61-68
Find the full text : http://www.sciencedirect.com/science/article/pii/0378111989903594
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Type: Journal Article
Serial number: 857