Evidence map›Paper›PMID 26565399›Full record

ArticlePLoS computational biology2015

Automated and Accurate Estimation of Gene Family Abundance from Shotgun Metagenomes.

Stephen Nayfach, Patrick H Bradley, Stacia K Wyman, Timothy J Laurent, Alex Williams, Jonathan A Eisen, Katherine S Pollard, Thomas J Sharpton

Abstract read
In one paragraph

Article in PLoS computational biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

34 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Stephen NayfachGladstone Institute of Cardiovascular Disease, San Francisco, California, United States of America.
Patrick H BradleyGladstone Institute of Cardiovascular Disease, San Francisco, California, United States of America.
Stacia K WymanGladstone Institute of Cardiovascular Disease, San Francisco, California, United States of America.
Timothy J LaurentGladstone Institute of Cardiovascular Disease, San Francisco, California, United States of America.
Alex WilliamsGladstone Institute of Cardiovascular Disease, San Francisco, California, United States of America.
Jonathan A EisenDepartment of Evolution and Ecology, Department of Medical Microbiology and Immunology, UC Davis Genome Center, University of California, Davis, Davis, California, United States of America.
Katherine S PollardGladstone Institute of Cardiovascular Disease, San Francisco, California, United States of America.
Thomas J SharptonGladstone Institute of Cardiovascular Disease, San Francisco, California, United States of America.

Funding

BMI Bioinformatics Training GrantsT32GM067547 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI HERNANDEZ, RYAN D. · 2003 to 2022
$6.6M
Integrative Program in Complex Biological System (ipCBS)T32EB009383 · NIBIB · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI MARSHALL, WALLACE, WEINER, ORION D · 2009 to 2022
$3.2M
NIBIB NIH HHS T32 EB009383NIGMS NIH HHS T32 GM067547
6 · The paper itself

Abstract

Shotgun metagenomic DNA sequencing is a widely applicable tool for characterizing the functions that are encoded by microbial communities. Several bioinformatic tools can be used to functionally annotate metagenomes, allowing researchers to draw inferences about the functional potential of the community and to identify putative functional biomarkers. However, little is known about how decisions made during annotation affect the reliability of the results. Here, we use statistical simulations to rigorously assess how to optimize annotation accuracy and speed, given parameters of the input data like read length and library size. We identify best practices in metagenome annotation and use them to guide the development of the Shotgun Metagenome Annotation Pipeline (ShotMAP). ShotMAP is an analytically flexible, end-to-end annotation pipeline that can be implemented either on a local computer or a cloud compute cluster. We use ShotMAP to assess how different annotation databases impact the interpretation of how marine metagenome and metatranscriptome functional capacity changes across seasons. We also apply ShotMAP to data obtained from a clinical microbiome investigation of inflammatory bowel disease. This analysis finds that gut microbiota collected from Crohn's disease patients are functionally distinct from gut microbiota collected from either ulcerative colitis patients or healthy controls, with differential abundance of metabolic pathways related to host-microbiome interactions that may serve as putative biomarkers of disease.

Indexed as

Chromosome MappingComputer SimulationCrohn DiseaseGenetic MarkersHumansMetagenomeMetagenomicsMicrobiotaModels, GeneticGenetic Markers

Identifiers

PMID26565399
PMCPMC4643905

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.