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PLoS One. 2012;7(6):e38581. doi: 10.1371/journal.pone.0038581. Epub 2012 Jun 20.

The PhyloPythiaS web server for taxonomic assignment of metagenome sequences.

Author information

1
Max-Planck Research Group for Computational Genomics and Epidemiology, Max-Planck Institute for Informatics, Saarbrücken, Germany.

Abstract

Metagenome sequencing is becoming common and there is an increasing need for easily accessible tools for data analysis. An essential step is the taxonomic classification of sequence fragments. We describe a web server for the taxonomic assignment of metagenome sequences with PhyloPythiaS. PhyloPythiaS is a fast and accurate sequence composition-based classifier that utilizes the hierarchical relationships between clades. Taxonomic assignments with the web server can be made with a generic model, or with sample-specific models that users can specify and create. Several interactive visualization modes and multiple download formats allow quick and convenient analysis and downstream processing of taxonomic assignments. Here, we demonstrate usage of our web server by taxonomic assignment of metagenome samples from an acidophilic biofilm community of an acid mine and of a microbial community from cow rumen.

PMID:
22745671
PMCID:
PMC3380018
DOI:
10.1371/journal.pone.0038581
[Indexed for MEDLINE]
Free PMC Article

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