Recombination-Based DNA Assembly and Mutagenesis Methods for Metabolic Engineering
In recent years there has been a growing interest in the precise and concerted assembly of multiple DNA fragments of diverse sizes, including chromosomes, and the fine tuning of gene expression levels and protein activity. Commercial DNA assembly solutions have not been conceived to support the cloning of very large or very small genetic elements or a combination of both. Here we summarize a series of protocols that allow the seamless, simultaneous, flexible, and highly efficient assembly of DNA elements of a wide range of sizes (up to hundred thousand base pairs). The protocols harness the power of homologous recombination and are performed either in vitro or within the living cells. The DNA fragments may or may not share homology at their ends. An efficient site-directed mutagenesis protocol enhanced by homologous recombination is also described.
Key wordsRecombineering Recombinational Yeast Mutation Double-strand break repair Synthetic biology
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