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The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.

Minimum entropy decomposition: Unsupervised oligotyping for sensitive partitioning of high-throughput marker gene sequences

Open access
Eren, A Murat, Morrison, Hilary G, Lescault, Pamela J, Reveillaud, Julie, Vineis, Joseph H, Sogin, Mitchell L·2015·The ISME Journal

Abstract

Molecular microbial ecology investigations often employ large marker gene datasets, for example, ribosomal RNAs, to represent the occurrence of single-cell genomes in microbial communities. Massively parallel DNA sequencing technologies enable extensive surveys of marker gene libraries that sometimes include nearly identical sequences. Computational approaches that rely on pairwise sequence alignments for similarity assessment and de novo clustering with de facto similarity thresholds to partition high-throughput sequencing datasets constrain fine-scale resolution descriptions of microbial communities. Minimum Entropy Decomposition (MED) provides a computationally efficient means to partition marker gene datasets into ‘MED nodes’, which represent homogeneous operational taxonomic units. By employing Shannon entropy, MED uses only the information-rich nucleotide positions across reads and iteratively partitions large datasets while omitting stochastic variation. When applied to analyses of microbiomes from two deep-sea cryptic sponges Hexadella dedritifera and Hexadellacf. dedritifera, MED resolved a key Gammaproteobacteria cluster into multiple MED nodes that are specific to different sponges, and revealed that these closely related sympatric sponge species maintain distinct microbial communities. MED analysis of a previously published human oral microbiome dataset also revealed that taxa separated by less than 1% sequence variation distributed to distinct niches in the oral cavity. The information theory-guided decomposition process behind the MED algorithm enables sensitive discrimination of closely related organisms in marker gene amplicon datasets without relying on extensive computational heuristics and user supervision.

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Crossref · 10.1038/ismej.2014.195

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Metadata

Authors
Eren, A. M., Morrison, H. G., Lescault, P. J., Reveillaud, J., Vineis, J. H., & Sogin, M. L.
Venue
The ISME Journal
Published
2014-10-17
Volume
9
Issue
4
Pages
968-979
ISSN
  • 1751-7362 (ISSN-L)
  • 1751-7370
OpenAlex
W2079520182
Cited by
607
References
12
FWCI
15.70
Type
journal article
Language
en
Open access
hybrid

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