Evidence map›Paper›PMID 27118420›Full record

ArticleAnnals of epidemiology2016

Impact of age and sex on the composition and abundance of the intestinal microbiota in individuals with and without enteric infections.

Pallavi Singh, Shannon D Manning

Abstract readComparative Study
In one paragraph

Article in Annals of epidemiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed, 2 pooled it
–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

41 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  10. Comparative Analyses of Gut Microbiomes inEcology and evolution · 2025
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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

2 authors.

Pallavi SinghDepartment of Microbiology and Molecular Genetics, Michigan State University, East Lansing.
Shannon D ManningDepartment of Microbiology and Molecular Genetics, Michigan State University, East Lansing. Electronic address: Shannon.Manning@ht.msu.edu.

Funding

The Impact of Microbiome Composition, Diversity, and Function on Enteric DiseaseU19AI090872 · NIAID · MICHIGAN STATE UNIVERSITY · PI MANSFIELD, LINDA S. · 2010 to 2014
$7.1M
NIAID NIH HHS U19 AI090872
6 · The paper itself

Abstract

purposeThe intestinal microbiome is critical for human health and preventing colonization by enteric pathogens. There are notable differences in the microbiota composition among individuals with and without enteric infections, though the impact that age and gender has on the composition and abundance of intestinal microbes is not known.

methodsA comparative 16S rRNA gene sequencing study was performed on stool DNA from 200 patients with enteric infections and 75 healthy family members representing both sexes and multiple age groups.

resultsMicrobial community profiles were affected by age and sex in patients with enteric infections and their healthy family members. Overall, we observed an increase in Bacteroides abundance and decrease in Escherichia abundance with age, though these differences were most apparent for patients with enteric infections. Genus Bacteroides was also higher in female communities while Escherichia predominated in males.

conclusionsBecause Escherichia abundance was previously linked to symptom severity, children with enteric infections may be most susceptible to severe disease outcomes due to high and low abundance of Escherichia and Bacteroides, respectively. Future studies should focus on classifying specific differences in the microbiome using metagenomics and identifying novel methods aimed at shifting the intestinal microbiome to a healthy state.

Indexed as

Acute DiseaseAdultAge FactorsBiodiversityCase-Control StudiesChildChild, PreschoolEnteritisFecesFemaleGastrointestinal MicrobiomeGram-Negative BacteriaGram-Positive BacteriaHumansInfantMaleRNA, Ribosomal, 16S16S rRNADiarrheaMicrobiota

Identifiers

PMID27118420
PMCPMC9494358

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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.