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Recombination between linear double-stranded DNA substrates in vivo |
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| Authors: | Kumaran Narayanan Edmund Ui-Hang Sim Choon-Weng Lee |
| Institution: | a Department of Genetics and Genomic Sciences, Box 1498, Mount Sinai School of Medicine, 1425 Madison Avenue, EB 14-02, New York, NY 10029, USA b Department of Molecular Biology, Faculty of Resource Science and Technology, University of Malaysia Sarawak, Malaysia c Centre “Bioengineering,” Russian Academy of Sciences, Moscow, Russia d Laboratory of Microbial Ecology, Institute of Biological Sciences, University of Malaya, Malaysia |
| Abstract: | Recombineering technology in Escherichia coli enables targeting of linear donor DNA to circular recipient DNA using short shared homology sequences. In this work, we demonstrate that recombineering is also able to support recombination between a pair of linear DNA substrates (linear/linear recombineering) in vivo in E. coli. Linear DNA up to 100 kb is accurately modified and remains intact without undergoing rearrangements after recombination. This system will be valuable for direct in vivo manipulation of large linear DNA including the N15 and PY54 prophages and linear animal viruses, and for assembly of linear constructs as artificial chromosome vectors. |
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