Simple cloning and DNA assembly in Escherichia coli by prolonged overlap extension PCR

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Abstract

We developed a simple method (Simple Cloning) for subcloning one, two, or three DNA fragments into any location of a targeted vector without the need for restriction enzyme, ligase, exonuclease, or recombinase.This cloning technology can be applied to a few common Escherichia coli hosts (e.g., BL21(DE3), DH5α, JM109, TOP10). The protocol includes three steps: (a) linear DNA fragments (i.e., the insert DNA and the vector backbone) with two overlap ends were generated by regular high-fi delity PCR, (b) the DNA multimers were generated based on these equimolar DNA templates by using prolonged overlap extension PCR (POE-PCR) without primers added, and (c) the POE-PCR product was transformed to E. coli strains directly. Because positive colony efficiencies are very high, it is not necessary to identify desired clones by using colony PCR. Simple Cloning provides a new cloning and DNA assembly method with great simplicity and fl exibility. © Springer Science+Business Media New York 2014.

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You, C., & Percival Zhang, Y. H. (2014). Simple cloning and DNA assembly in Escherichia coli by prolonged overlap extension PCR. Methods in Molecular Biology, 1116, 183–192. https://doi.org/10.1007/978-1-62703-764-8_13

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