Gut microbiome and serum metabolome alterations associated with lactose intolerance (LI): a case‒control study and paired-sample study based on the American Gut Project (AGP)/Experiment 4

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Reviewed Marked as Reviewed by Svetlana up on 2024-11-27

Curated date: 2024/10/19

Curator: Tosin

Revision editor(s): Tosin, Nathcynthia

Subjects

Location of subjects
China
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
Feces Cow dung,Cow pat,Droppings,Dung,Excrement,Excreta,Faeces,Fecal material,Fecal matter,Fewmet,Frass,Guano,Matières fécales@fr,Merde@fr,Ordure,Partie de la merde@fr,Piece of shit,Porción de mierda@es,Portion of dung,Portion of excrement,Portion of faeces,Portion of fecal material,Portion of fecal matter,Portion of feces,Portion of guano,Portion of scat,Portionem cacas,Scat,Spoor,Spraint,Stool,Teil der fäkalien@de,Feces,feces
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Lactose intolerance lactase persistence,lactose intolerance,lactose intolerance (disease),LM - lactose malabsorption,Lactose intolerance
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Healthy Controls
Group 1 name Corresponds to the case (exposed) group for case-control studies
Participants with Lactose intolerance (LI)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Participants with condition, Lactose intolerance (LI) which is a prevalent condition characterized by gastrointestinal symptoms that arise following lactose consumption.
Group 0 sample size Number of subjects in the control (unexposed) group
41
Group 1 sample size Number of subjects in the case (exposed) group
41
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
3 months

Lab analysis

Sequencing type
WMS
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
Not specified
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
Illumina

Statistical Analysis

Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
relative abundances
Statistical test
T-Test
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)?
No

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Chao1 Abundance-based estimator of species richness
unchanged
Simpson Estimator of species richness and species evenness: more weight on species evenness
unchanged

Signature 1

Reviewed Marked as Reviewed by Svetlana up on 2024-11-27

Curated date: 2024/10/20

Curator: Tosin

Revision editor(s): Tosin, Nathcynthia

Source: Figure 3d-I.

Description: Comparison of the relative abundances at the species level according to metagenomic sequencing between the two groups.

Abundance in Group 1: increased abundance in Participants with Lactose intolerance (LI)

NCBI Quality ControlLinks
Bacteroides fragilis
Dialister massiliensis
Escherichia coli
Shigella flexneri
Streptococcus salivarius

Revision editor(s): Tosin, Nathcynthia

Signature 2

Reviewed Marked as Reviewed by Svetlana up on 2024-11-27

Curated date: 2024/10/20

Curator: Tosin

Revision editor(s): Tosin, Nathcynthia

Source: Figure 3d-I

Description: Comparison of the relative abundances at the species level according to metagenomic sequencing between the two groups.

Abundance in Group 1: decreased abundance in Participants with Lactose intolerance (LI)

NCBI Quality ControlLinks
Eubacterium sp.

Revision editor(s): Tosin, Nathcynthia