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PMID: 20687950 Published · epublish English Journal Article Research Support, Non-U.S. Gov't

MLTreeMap--accurate Maximum Likelihood placement of environmental DNA sequences into taxonomic and functional reference phylogenies.

BMC genomics ·Vol. 11 ·2010-08-05 ·Pages 461

Stark M, Berger SA, Stamatakis A, von Mering C

Abstract

Shotgun sequencing of environmental DNA is an essential technique for characterizing uncultivated microbes in situ. However, the taxonomic and functional assignment of the obtained sequence fragments remains a pressing problem. Existing algorithms are largely optimized for speed and coverage; in contrast, we present here a software framework that focuses on a restricted set of informative gene families, using Maximum Likelihood to assign these with the best possible accuracy. This framework ('MLTreeMap'; http://mltreemap.org/) uses raw nucleotide sequences as input, and includes hand-curated, extensible reference information. We discuss how we validated our pipeline using complete genomes as well as simulated and actual environmental sequences.

MeSH Terms
Algorithms DNA/analysis,classification,genetics Internet Likelihood Functions Phylogeny Sequence Analysis, DNA/methods Software Design
Chemicals
DNA
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Stark Manuel
Institute of Molecular Life Sciences and Swiss Institute of Bioinformatics, University of Zurich, Switzerland.
Berger Simon A
Stamatakis Alexandros
von Mering Christian
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Article Info
Journal
BMC genomics
Abbr.
BMC Genomics
ISSN
1471-2164
Published
2010-08-05
Epub
2010-00-05
Pages
461
Language
English
Region
England
NLM ID
100965258
PMCID
PMC3091657
Subset
IM
Analysis Services
Analysis Services

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