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Quince C, Delmont TO, Raguideau S, Alneberg J, Darling AE, Collins G, Eren AM
Genome Biol. 18 (1) 181 [2017-09-21; online 2017-09-21]
We introduce DESMAN for De novo Extraction of Strains from Metagenomes. Large multi-sample metagenomes are being generated but strain variation results in fragmentary co-assemblies. Current algorithms can bin contigs into metagenome-assembled genomes but are unable to resolve strain-level variation. DESMAN identifies variants in core genes and uses co-occurrence across samples to link variants into haplotypes and abundance profiles. These are then searched for against non-core genes to determine the accessory genome of each strain. We validated DESMAN on a complex 50-species 210-genome 96-sample synthetic mock data set and then applied it to the Tara Oceans microbiome.
PubMed 28934976
DOI 10.1186/s13059-017-1309-9
Crossref 10.1186/s13059-017-1309-9
pii: 10.1186/s13059-017-1309-9
pmc: PMC5607848