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Nat Biotechnol. 2010 Dec;28(12):1295-9. doi: 10.1038/nbt.1716. Epub 2010 Nov 28.

Scalable gene synthesis by selective amplification of DNA pools from high-fidelity microchips.

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  • 1Wyss Institute for Biologically Inspired Engineering, Boston, Massachusetts, USA. sri.kosuri@wyss.harvard.edu

Abstract

Development of cheap, high-throughput and reliable gene synthesis methods will broadly stimulate progress in biology and biotechnology. Currently, the reliance on column-synthesized oligonucleotides as a source of DNA limits further cost reductions in gene synthesis. Oligonucleotides from DNA microchips can reduce costs by at least an order of magnitude, yet efforts to scale their use have been largely unsuccessful owing to the high error rates and complexity of the oligonucleotide mixtures. Here we use high-fidelity DNA microchips, selective oligonucleotide pool amplification, optimized gene assembly protocols and enzymatic error correction to develop a method for highly parallel gene synthesis. We tested our approach by assembling 47 genes, including 42 challenging therapeutic antibody sequences, encoding a total of ∼35 kilobase pairs of DNA. These assemblies were performed from a complex background containing 13,000 oligonucleotides encoding ∼2.5 megabases of DNA, which is at least 50 times larger than in previously published attempts.

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PMID:
21113165
[PubMed - indexed for MEDLINE]
PMCID:
PMC3139991
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