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 2

From BugSigDB


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

Curated date: 2024/10/11

Curator: Nathcynthia

Revision editor(s): Nathcynthia, Tosin

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 (HC)
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
LEfSe
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
LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
2

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
Richness Number of species
unchanged

Signature 1

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

Curated date: 2024/10/14

Curator: Nathcynthia

Revision editor(s): Nathcynthia, Rahila, Tosin

Source: Fig 3b

Description: LeFSe analysis reveals significant taxonomic differences between LI Patients and HCs.

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

NCBI Quality ControlLinks
Bacteroides fragilis
Burkholderiales
Enterobacter
Enterobacter hormaechei
Enterobacterales
Enterobacteriaceae
Escherichia
Escherichia coli
Firmicutes bacterium CAG:313
Gammaproteobacteria
Lachnospira
Leuconostoc
Parabacteroides sp. AF19-14
Pseudomonadota
Ruminococcus sp. AF12-5
Ruminococcus sp. CAG:177
Salmonella
Salmonella enterica
Shigella
unclassified Enterobacter
unclassified Enterobacteriaceae
unclassified Klebsiella
unclassified Parabacteroides
unclassified Pseudomonadota

Revision editor(s): Nathcynthia, Rahila, Tosin

Signature 2

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

Curated date: 2024/10/14

Curator: Nathcynthia

Revision editor(s): Nathcynthia, Rahila, Tosin

Source: Fig 3b

Description: LeFSe analysis reveals significant taxonomic differences between LI Patients and HCs.

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

NCBI Quality ControlLinks
Clostridium sp. AF36-18BH
Eubacterium sp.
Faecalibacterium sp. CAG:82
Lachnospira eligens
unclassified Faecalibacterium
uncultured Ruminococcus sp.

Revision editor(s): Nathcynthia, Rahila, Tosin