alexa Genome sequencing in microfabricated high-density picolitre reactors.
General Science

General Science

Journal of Forensic Research

Author(s): Margulies M, Egholm M, Altman WE, Attiya S, Bader JS,

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Abstract The proliferation of large-scale DNA-sequencing projects in recent years has driven a search for alternative methods to reduce time and cost. Here we describe a scalable, highly parallel sequencing system with raw throughput significantly greater than that of state-of-the-art capillary electrophoresis instruments. The apparatus uses a novel fibre-optic slide of individual wells and is able to sequence 25 million bases, at 99\% or better accuracy, in one four-hour run. To achieve an approximately 100-fold increase in throughput over current Sanger sequencing technology, we have developed an emulsion method for DNA amplification and an instrument for sequencing by synthesis using a pyrosequencing protocol optimized for solid support and picolitre-scale volumes. Here we show the utility, throughput, accuracy and robustness of this system by shotgun sequencing and de novo assembly of the Mycoplasma genitalium genome with 96\% coverage at 99.96\% accuracy in one run of the machine.
This article was published in Nature and referenced in Journal of Forensic Research

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