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Old 03-07-2009, 06:20 AM   #1
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Default PubMed: Metagenomic Pyrosequencing and Microbial Identification.

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Related Articles Metagenomic Pyrosequencing and Microbial Identification.

Clin Chem. 2009 Mar 5;

Authors: Petrosino JF, Highlander S, Luna RA, Gibbs RA, Versalovic J

BACKGROUND: The Human Microbiome Project has ushered in a new era for human metagenomics and high-throughput next-generation sequencing strategies. CONTENT: This review describes evolving strategies in metagenomics, with a special emphasis on the core technology of DNA pyrosequencing. The challenges of microbial identification in the context of microbial populations are discussed. The development of next-generation pyrosequencing strategies and the technical hurdles confronting these methodologies are addressed. Bioinformatics-related topics include taxonomic systems, sequence databases, sequence-alignment tools, and classifiers. DNA sequencing based on 16S rRNA genes or entire genomes is summarized with respect to potential pyrosequencing applications. SUMMARY: Both the approach of 16S rDNA amplicon sequencing and the whole-genome sequencing approach may be useful for human metagenomics, and numerous bioinformatics tools are being deployed to tackle such vast amounts of microbiological sequence diversity. Metagenomics, or genetic studies of microbial communities, may ultimately contribute to a more comprehensive understanding of human health, disease susceptibilities, and the pathophysiology of infectious and immune-mediated diseases.

PMID: 19264858 [PubMed - as supplied by publisher]



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