Evidence map›Paper›PMID 30497517›Full record

ArticleMicrobiome2018

Understanding the microbial basis of body odor in pre-pubescent children and teenagers.

Tze Hau Lam, Davide Verzotto, Purbita Brahma, Amanda Hui Qi Ng, Ping Hu, Dan Schnell, Jay Tiesman, Rong Kong, Thi My Uyen Ton, Jianjun Li and 6 more

Open access · goldAbstract read
In one paragraph

Article in Microbiome, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
7.1field-weighted citation impact, top 2% of its field
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

33 citing papers in PubMed, 100 citations in OpenAlex.

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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

16 authors at 3 institutions in 2 countries.

Tze Hau LamProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
Davide VerzottoComputational and Systems Biology, Genome Institute of Singapore, Singapore, 138672, Singapore.
Purbita BrahmaProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
Amanda Hui Qi NgComputational and Systems Biology, Genome Institute of Singapore, Singapore, 138672, Singapore.
Ping HuProcter & Gamble Mason Business Center, Mason, OH, 45040, USA.
Dan SchnellProcter & Gamble Mason Business Center, Mason, OH, 45040, USA.
Jay TiesmanProcter & Gamble Mason Business Center, Mason, OH, 45040, USA.
Rong KongProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
Thi My Uyen TonProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
Jianjun LiProcter & Gamble Sharon Woods Innovation Center, Sharonville, OH, 45241, USA.
May OngProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
Yang LuProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
David SwaileProcter & Gamble Sharon Woods Innovation Center, Sharonville, OH, 45241, USA.
Ping LiuProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
Jiquan LiuProcter & Gamble Singapore Innovation Center, Singapore, 138547, Singapore.
Niranjan NagarajanComputational and Systems Biology, Genome Institute of Singapore, Singapore, 138672, Singapore. nagarajann@gis.a-star.edu.sg.
Procter & Gamble (United States) · USGenome Institute of Singapore · SGNational University of Singapore · SG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundEven though human sweat is odorless, bacterial growth and decomposition of specific odor precursors in it is believed to give rise to body odor in humans. While mechanisms of odor generation have been widely studied in adults, little is known for teenagers and pre-pubescent children who have distinct sweat composition from immature apocrine and sebaceous glands, but are arguably more susceptible to the social and psychological impact of malodor.

resultsWe integrated information from whole microbiome analysis of multiple skin sites (underarm, neck, and head) and multiple time points (1 h and 8 h after bath), analyzing 180 samples in total to perform the largest metagenome-wide association study to date on malodor. Significant positive correlations were observed between odor intensity and the relative abundance of Staphylococcus hominis, Staphylococcus epidermidis, and Cutibacterium avidum, as well as negative correlation with Acinetobacter schindleri and Cutibacterium species. Metabolic pathway analysis highlighted the association of isovaleric and acetic acid production (sour odor) from enriched S. epidermidis (teen underarm) and S. hominis (child neck) enzymes and sulfur production from Staphylococcus species (teen underarm) with odor intensity, in good agreement with observed odor characteristics in pre-pubescent children and teenagers. Experiments with cultures on human and artificial sweat confirmed the ability of S. hominis and S. epidermidis to independently produce malodor with distinct odor characteristics.

conclusionsThese results showcase the power of skin metagenomics to study host-microbial co-metabolic interactions, identifying distinct pathways for odor generation from sweat in pre-pubescent children and teenagers and highlighting key enzymatic targets for intervention.

Indexed as

Acetic AcidAcinetobacterAdolescentAxillaBacteriaChildFemaleHeadHemiterpenesHumansMaleMetagenomicsNeckOdorantsPentanoic AcidsPropionibacteriaceaeAcetic AcidHemiterpenesisovaleric acidPentanoic AcidsSulfur

Identifiers

PMID30497517
PMCPMC6267001
OpenAlexW2902963083

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.