Efficient One-Step Fusion PCR Based on Dual-Asymmetric Primers and Two-Step Annealing

Gene splicing by fusion PCR is a versatile and widely used methodology, especially in synthetic biology. We here describe a rapid method for splicing two fragments by one-round fusion PCR with a dual-asymmetric primers and two-step annealing (ODT) method. During the process, the asymmetric intermedi...

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Bibliographic Details
Published in:Molecular biotechnology 2018-02, Vol.60 (2), p.92-99
Main Authors: Liu, Yilan, Chen, Jinjin, Thygesen, Anders
Format: Article
Language:English
Subjects:
Annealing
Asymmetry
Biochemistry
Biological Techniques
Biotechnology
Cell Biology
Chemistry
Chemistry and Materials Science
Cycle ratio
Elongation
Fragmentation
Fragments
Fusion
Genetic engineering
Genome editing
Genomes
Human Genetics
Hybridization
Original Paper
Primers
Process parameters
Protein Science
Splicing
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Summary:Gene splicing by fusion PCR is a versatile and widely used methodology, especially in synthetic biology. We here describe a rapid method for splicing two fragments by one-round fusion PCR with a dual-asymmetric primers and two-step annealing (ODT) method. During the process, the asymmetric intermediate fragments were generated in the early stage. Thereafter, they were hybridized in the subsequent cycles to serve as template for the target full-length product. The process parameters such as primer ratio, elongation temperature and cycle numbers were optimized. In addition, the fusion products produced with this method were successfully applied in seamless genome editing. The fusion of two fragments by this method takes less than 0.5 day. The method is expected to facilitate various kinds of complex genetic engineering projects with enhanced efficiency.
ISSN:1073-6085
1559-0305
DOI:10.1007/s12033-017-0050-7