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Updated: May 19, 2026

Subcloning Plus Insertion (SPI) - A Novel Recombineering Method for the Rapid Construction of Gene Targeting Vectors
Published on: January 8, 2015
Use of gene targeting to study recombination in mammalian cell DNA repair mutants
Jennifer J Rahn1, Gerald M Adair, Rodney S Nairn
1Department of Molecular Carcinogenesis, Medical University of South Carolina, Charleston, SC, USA.
Abstract:
The study of gene function has been greatly facilitated by the development of strategies to modify genomic DNA. Gene targeting is one of the most successfully applied techniques used to examine the roles of specific genes in a wide variety of model systems from yeast to mammals. Our laboratory has pioneered the use of the Chinese hamster ovary (CHO) cell culture model system to study pathways of DNA repair and recombination at the hemizygous CHO APRT locus. By using a simple and effective gene targeting method, we have generated a number of DNA repair-deficient cell lines that have been used in targeted recombination experiments to investigate pathways of recombinational repair in somatic mammalian cells. These methods can be readily customized to generate a variety of cell lines deficient in specific genes of interest and can be applied to study the roles of other DNA repair proteins in pathways of mammalian recombinational repair.
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