Protein signature-based estimation of metagenomic abundances including all domains of life and viruses

See on Scoop.itVirology and Bioinformatics from Virology.ca

Results: We introduce a novel approach to taxonomic profiling of metagenomes that is based on mixture model analysis of protein signatures. Our results on simulated and real data reveal the difficulties of the existing methods when measuring achaeal or viral abundances and show the overall good profiling performance of the protein-based mixture model. As an application example, we provide a large-scale analysis of data from the Human Microbiome Project. This demonstrates the utility of our method as a first instance profiling tool for a fast estimate of the community structure.

See on bioinformatics.oxfordjournals.org

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