ECCB 2016 main conference Genes

PT43 – MetaProb: Accurate Metagenomic Reads Binning based on Probabilistic Sequence Signatures


Amazon September 7, 2016 11:30 am - 11:50 am

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Proceeding talk – Theme: Genes.

Abstract

Binning metagenomics reads remains a crucial step in metagenomics analysis. In this work we presented MetaProb, an assembly-assisted approach for reference-free metagenomic binning. Our approach can deal with short and long reads in a novel probabilistic framework, by using probabilistic sequence signatures. We compared the binning performances over several short and long reads datasets against other state-of-art binning algorithms, showing that MetaProb achieves in most cases the best performances in terms of F-measure. The estimation of the number of species in a metagenomic sample can be performed with MetaProb, adding a degree of freedom in the analysis. On a real fecal metagenomic data MetaProb was able to detect the most abundant species with high precision.

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Authors

Samuele Girotto, Dept. Information Engineering, University of Padova, Italy
Cinzia Pizzi, Dipartimento di Ingegneria dell’Informazione, Univ. of Padova, Italy
Matteo Comin, Dept. Information Engineering, University of Padova, Italy