Evidence map›Paper›PMID 35917214›Full record

ArticleAllergy2022

The abundance of Ruminococcus bromii is associated with faecal butyrate levels and atopic dermatitis in infancy.

Mari Sasaki, Clarissa Schwab, Alejandro Ramirez Garcia, Qing Li, Ruth Ferstl, Eugen Bersuch, Cezmi A Akdis, Roger Lauener, CK-CARE study group, Remo Frei and 1 more

Abstract read
In one paragraph

Article in Allergy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 1 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

37 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  8. Nutrients · 2026
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  17. The Effect of Oral ProbioticJournal of microbiology and biotechnology · 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

11 authors.

Mari SasakiUniversity Children's Hospital Zürich, Zürich, Switzerland.
Clarissa SchwabDepartment of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark.
Alejandro Ramirez GarciaLaboratory of Food Biotechnology, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland.
Qing LiDepartment of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark.
Ruth FerstlChristine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland.
Eugen BersuchChristine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland.
Cezmi A AkdisChristine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland.
Roger LauenerChristine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland.
CK-CARE study group
Remo FreiChristine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland.
Caroline RoduitUniversity Children's Hospital Zürich, Zürich, Switzerland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundImpaired microbial development and decreased levels of short chain fatty acids, particularly butyrate, is suggested to have a role in the development of atopic dermatitis (AD).

methodsFaecal microbiota composition, abundance of selected bacterial groups and fermentation metabolites were compared at 90, 180 and 360 days of life between 27 children who developed AD by age one (AD group), and 39 controls (non-AD group) among the CARE (Childhood AlleRgy, nutrition and Environment) study cohort.

resultsDiversity within the Firmicutes and Bacteroidetes phylum in the faecal microbiota was lower in the AD group compared to the non-AD group. Longitudinal analysis showed multiple amplicon sequence variants (ASV) within the same bacterial family to be differentially abundant. Namely, Ruminococcus bromii, a keystone primary starch degrader, and Akkermansia muciniphila, a mucin-utilizer, had lower abundance among the AD group. Children with AD were less likely to have high levels of faecal butyrate at 360 days compared to those without AD (11.5% vs 34.2%). At 360 days, children with high abundance of R. bromii had higher level of butyrate as well as lower proportion of children with AD compared to children with low abundance of R. bromii (11.1-12.5% vs 44.4-52.5%), which was independent of the abundance of the major butyrate producers.

conclusionOur results suggested that R. bromii and other primary degraders might play an important role in the differences in microbial cross-feeding and metabolite formation between children with and without AD, which may influence the risk of developing the disease.

Indexed as

atopic dermatitisbutyratemicrobiotaresistant starchshort chain fatty acid

Identifiers

PMID35917214
PMCPMC10087690

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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.