Oral Bacterial Genome Sequencing Using the High-Throughput Roche Genome Sequencer FLX System
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For over 30 years, the chain termination method of DNA sequencing (commonly known as Sanger sequencing) has been the mainstay of any DNA sequencing project. In the past, whole-genome sequencing employing exclusively Sanger chemistry has been a labor-intensive and costly exercise and an option unfeasible for the average research group. However, within the last 4 years, the introduction of three high-throughput sequencing technologies (454, SOLiD, and Illumina) has revolutionized genomics by facilitating unprecedented levels (up to gigabasepairs) of reliable DNA sequence output in a relatively short time frame and at a much lower cost per sequenced basepair. Here, we provide laboratory and bioinformatic protocols that will allow the average research group to undertake high-throughput sequencing of oral bacterial genomes using the Roche Genome Sequencer FLX System which employs 454 pyrosequencing technology.