Overlap extension PCR: an efficient method for transgene construction.

Matthew D. Nelson, David H A Fitch

Research output: Contribution to journalArticlepeer-review

Abstract

Combining genes or regulatory elements to make hybrid genes is a widely used methodology throughout the biological sciences. Here, we describe an optimized approach for hybrid gene construction called overlap extension PCR. In this method, the polymerase chain reaction (PCR) is employed for efficient and reliable construction of hybrid genes. A PCR-based approach does not rely on available restriction sites or other specific sequences, an advantage over more conventional cloning or recombineering methods. With the use of high-fidelity DNA polymerase, this method can be used for making even very large constructs (>20 kb) with minimal unwanted mutations. Finally, overlap extension-PCR can be used as a means for site-directed mutagenesis, introducing desired mutations to the final hybrid gene.

Original languageEnglish (US)
Pages (from-to)459-470
Number of pages12
JournalMethods in molecular biology (Clifton, N.J.)
Volume772
StatePublished - 2011

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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