Skin microbiome before development of atopic dermatitis: Early colonization with commensal staphylococci at 2 months is associated with a lower risk of atopic dermatitis at 1 year/Experiment 1

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Needs review

Curated date: 2021/01/10

Curator: WikiWorks

Revision editor(s): WikiWorks, Victoria

Subjects

Location of subjects
Ireland
Host species Species from which microbiome was sampled. Contact us to have more species added.
Homo sapiens
Body site Anatomical site where microbial samples were extracted from according to the Uber Anatomy Ontology
Skin of forearm Forearm skin,Lower arm skin,Lower segment of arm skin,Skin of antebrachial region,Skin of lower arm,Skin of lower segment of arm,Skin of zeugopod of arm,Skin of forearm,skin of forearm
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Atopic eczema allergic,allergic dermatitis,allergic form of dermatitis,Atopic Dermatitides,Atopic Dermatitis,Atopic dermatitis,atopic dermatitis and related conditions,Atopic dermatitis and related conditions (disorder),atopic eczema,Atopic Neurodermatitides,Atopic Neurodermatitis,Atopic neurodermatitis,Besnier's prurigo,Dermatitides, Atopic,Dermatitis, Atopic,Disseminated Neurodermatitides,Disseminated Neurodermatitis,eczema,Eczema, Atopic,Eczema, Infantile,eczematous dermatitis,Infantile Eczema,Neurodermatitides, Atopic,Neurodermatitides, Disseminated,Neurodermatitis, Atopic,Neurodermatitis, Disseminated,OTHER ATOPIC DERMATITIS,Other atopic dermatitis and related conditions,Atopic eczema
Group 0 name Corresponds to the control (unexposed) group for case-control studies
healthy control
Group 1 name Corresponds to the case (exposed) group for case-control studies
atopic dermatitis
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
child with atopic dermatis at month 12 diagnosed by experienced health care personnel using the UK Working Party Diagnostic Criteria
Group 0 sample size Number of subjects in the control (unexposed) group
10
Group 1 sample size Number of subjects in the case (exposed) group
10

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V1-V3
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
Roche454

Statistical Analysis

Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
relative abundances
Statistical test
Mann-Whitney (Wilcoxon)
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.05
MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
Yes

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged

Signature 1

Needs review

Curated date: 2021/01/10

Curator: Lucy Mellor

Revision editor(s): WikiWorks

Source: Figure 4b

Description: Relative abundance of major taxa in antecubital fossa at month 2 between subjects that went on to be affected with atopic dermatits at month 12 and those who went on to be unaffected

Abundance in Group 1: decreased abundance in atopic dermatitis

NCBI Quality ControlLinks
Staphylococcus

Revision editor(s): WikiWorks