2015 | OriginalPaper | Buchkapitel
MetaAB - A Novel Abundance-Based Binning Approach for Metagenomic Sequences
verfasst von : Van-Vinh Le, Tran Van Lang, Tran Van Hoai
Erschienen in: Nature of Computation and Communication
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Metagenomics is a research discipline of microbial communities that studies directly on genetic materials obtained from environmental samples without isolating and culturing single organisms in laboratory. One of the crucial tasks in metagenomic projects is the identification and taxonomic characterization of DNA sequences in the samples. In this paper, we present an unsupervised binning of metagenomic reads, called MetaAB, which can be able to identify and classify reads into groups of genomes using the information of genome abundances. The method is based on a proposed reduced-dimension model that is theoretically proved to have less computational time. Besides, MetaAB detects the number of genome abundances in data automatically by using the Bayesian Information Criterion. Experimental results show that the proposed method achieves higher accuracy and run faster than a recent abundance-based binning approach. The software implementing the algorithm can be downloaded at
http://it.hcmute.edu.vn/bioinfo/metaab/index.htm