Establishment of a non-Westernized gut microbiota in men who have sex with men is associated with sexual practices
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Quality control
- Retracted paper
- Contamination issues suspected
- Batch effect issues suspected
- Uncontrolled confounding suspected
- Results are suspect (various reasons)
- Tags applied
Experiment 1
Subjects
- 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
- Male homosexuality Male homosexuality,male homosexuality
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Men with 0-3 sexual partners
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Men with >3 sexual partners
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men in the risk increasing category with more than 3 sexual partners (in the last 12 months).
- Group 0 sample size Number of subjects in the control (unexposed) group
- 38
- Group 1 sample size Number of subjects in the case (exposed) group
- 29
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 6 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
- 2.0
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Source: figure 4 (c) and Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe to associate with behaviors having >3 (and 0–3) sexual partners.
Abundance in Group 1: decreased abundance in Men with >3 sexual partners
Revision editor(s): Uhabiba14, Fiddyhamma, MyleeeA
Signature 2
Source: figure 4C and SupplementaryTable S4
Description: Species-level taxonomic biomarkers identified using LEfSe58 to associate with behaviors having ( 0–3) sexual partners. Only taxonomically known species are displayed
Abundance in Group 1: increased abundance in Men with >3 sexual partners
Revision editor(s): Uhabiba14, MyleeeA, Fiddyhamma
Experiment 2
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Condom use (Always during RAI)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- No Condom use (during RAI)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men in the risk increasing category who never use Condom during Receptive Anal intercourse.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 12
- Group 1 sample size Number of subjects in the case (exposed) group
- 37
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 6 Months
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- increased
- Richness Number of species
- unchanged
Signature 1
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe to associate with Condom use (Always during RAI) and No Condom use (during RAI).
Abundance in Group 1: increased abundance in No Condom use (during RAI)
Revision editor(s): MyleeeA
Signature 2
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe to associate with Condom use (Always during RAI) and No Condom use (during RAI).
Abundance in Group 1: decreased abundance in No Condom use (during RAI)
NCBI | Quality Control | Links |
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Candidatus Cibiobacter qucibialis | ||
Clostridia bacterium | ||
Lachnospira pectinoschiza |
Revision editor(s): MyleeeA
Experiment 3
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- No Oral Sex
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Yes Oral Sex
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men in the risk increasing category who practice Oral sex.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 21
- Group 1 sample size Number of subjects in the case (exposed) group
- 42
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe to associate with No Oral sex and Yes Oral sex.
Abundance in Group 1: increased abundance in Yes Oral Sex
Revision editor(s): MyleeeA
Signature 2
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe to associate with No Oral sex and Yes Oral sex.
Abundance in Group 1: decreased abundance in Yes Oral Sex
Revision editor(s): MyleeeA
Experiment 4
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Condom use (Sometimes during RAI)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- No Condom use (during RAI)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men in the risk increasing category who never use Condom during Receptive Anal intercourse.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 15
- Group 1 sample size Number of subjects in the case (exposed) group
- 37
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- increased
- Richness Number of species
- unchanged
Experiment 5
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Condom use (Always during RAI)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Condom use (Sometimes during RAI)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men in the risk increasing category who sometimes use Condom during Receptive Anal intercourse.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 12
- Group 1 sample size Number of subjects in the case (exposed) group
- 15
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Richness Number of species
- unchanged
Experiment 6
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- STI Negative
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- STI Positive
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men in the risk increasing category who were positive to sexually transmitted infection.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 44
- Group 1 sample size Number of subjects in the case (exposed) group
- 23
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe associated with Positive STI and Negative STI .
Abundance in Group 1: decreased abundance in STI Positive
NCBI | Quality Control | Links |
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Roseburia faecis | ||
Sutterella wadsworthensis | ||
unclassified Oscillospiraceae | ||
Sutterella seckii |
Revision editor(s): MyleeeA
Signature 2
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe associated with Positive STI and Negative STI
Abundance in Group 1: increased abundance in STI Positive
Revision editor(s): MyleeeA
Experiment 7
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- No RAI
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Yes RAI
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men in the risk increasing category who practice Receptive Anal intercourse.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 21
- Group 1 sample size Number of subjects in the case (exposed) group
- 46
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe to associate with No Receptive Anal Intercourse and Yes Receptive Anal Intercourse.
Abundance in Group 1: increased abundance in Yes RAI
NCBI | Quality Control | Links |
---|---|---|
Clostridium sp. | ||
Phascolarctobacterium succinatutens | ||
unclassified Rikenellaceae |
Revision editor(s): MyleeeA
Signature 2
Source: Supplementary Table S4
Description: Species-level taxonomic biomarkers identified using LEfSe to associate with No Receptive Anal Intercourse and Yes Receptive Anal Intercourse.
Abundance in Group 1: decreased abundance in Yes RAI
Revision editor(s): MyleeeA
Experiment 8
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- MSM
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Westernized
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Westernization describes a population with incremental urbanization, profound lifestyle changes, including but not limited to, transition from autarchic means of producing food to controlled food production chain, increased hygiene and accessibility to modern medicals, introduction of food sterilization, increased exposure to pollutants, and switch from high-fiber simple diets to high-fat high-protein processes that has been undergoing for centuries.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 93
- Group 1 sample size Number of subjects in the case (exposed) group
- 93
Lab analysis
Statistical Analysis
- Statistical test
- Fisher's Exact Test
- MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
- Yes
- LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
- Not specified
Signature 1
Source: Supplementary Table S3
Description: Species enriched in MSM and Westernized.
Abundance in Group 1: increased abundance in Westernized
Revision editor(s): MyleeeA
Signature 2
Source: Supplementary Table S3
Description: Species enriched in MSM and Westernized.
Abundance in Group 1: decreased abundance in Westernized
Revision editor(s): MyleeeA
Experiment 9
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Non MSM
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- MSM
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men who have sex with Men (Prevotella Family comparison)
- Group 0 sample size Number of subjects in the control (unexposed) group
- 24
- Group 1 sample size Number of subjects in the case (exposed) group
- 84
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Source: Supplementary Table S2
Description: Species differentially enriched in MSM relative to non-MSM. Log2-transformed abundances of Prevotellaceae members with a minimum abundance of 0.1 at 90th percentile in all subjects.
Abundance in Group 1: increased abundance in MSM
Revision editor(s): MyleeeA
Experiment 10
Subjects
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Men who have sex with Men
- Group 0 sample size Number of subjects in the control (unexposed) group
- 31
- Group 1 sample size Number of subjects in the case (exposed) group
- 93
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- increased
- Richness Number of species
- unchanged
Signature 1
Source: Supplementary Table S3
Description: Species enriched in MSM and Non MSM.
Abundance in Group 1: increased abundance in MSM
Revision editor(s): MyleeeA
Signature 2
Source: Supplementary Table S3
Description: Species enriched in MSM and Non MSM.
Abundance in Group 1: decreased abundance in MSM
Revision editor(s): MyleeeA
Experiment 11
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- MSM
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Non Westernized
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Non-Westernized describes a population practicing a traditional lifestyle relating to factors such as diet, hygiene, and with limited access to modern medical healthcare and pharmaceuticals (e.g., antibiotics).
- Group 0 sample size Number of subjects in the control (unexposed) group
- 93
- Group 1 sample size Number of subjects in the case (exposed) group
- 481
Lab analysis
Statistical Analysis
Signature 1
Source: Supplementary Table S3
Description: Species enriched in MSM and Non Westernized.
Abundance in Group 1: increased abundance in Non Westernized
Revision editor(s): MyleeeA
Signature 2
Source: Supplementary Table S3
Description: Species enriched in MSM and Non Westernized.
Abundance in Group 1: decreased abundance in Non Westernized
Revision editor(s): MyleeeA
Experiment 12
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Westernized
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Westernization describes a population with incremental urbanization, profound lifestyle changes, including but not limited to, transition from autarchic means of producing food to controlled food production chain, increased hygiene and accessibility to modern medicals, introduction of food sterilization, increased exposure to pollutants, and switch from high-fiber simple diets to high-fat high-protein processes that has been undergoing for centuries.
Signature 1
Source: Figure 3A
Description: Differential abundance of Bacteroidaceae and Prevotellaceae families and Bacteroides and Segatella/Prevotella genera between MSM (n = 93), Westernized (n = 481), non-Westernized (n = 389), and urban Chinese (n= 66) samples (Wilcoxon rank-sum test with FDR correction).
Abundance in Group 1: increased abundance in Westernized
NCBI | Quality Control | Links |
---|---|---|
Prevotellaceae | ||
Segatella/PrevotellaSegatella/Prevotella |
Revision editor(s): MyleeeA
Signature 2
Source: Figure 3A
Description: Differential abundance of Bacteroidaceae and Prevotellaceae families and Bacteroides and Segatella/Prevotella genera between MSM (n = 93), Westernized (n = 481), non-Westernized (n = 389), and urban Chinese (n= 66) samples (Wilcoxon rank-sum test with FDR correction).
Abundance in Group 1: decreased abundance in Westernized
NCBI | Quality Control | Links |
---|---|---|
Bacteroidaceae | ||
Bacteroides |
Revision editor(s): MyleeeA
Experiment 13
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Non Westernized
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Non-Westernized describes a population practicing a traditional lifestyle relating to factors such as diet, hygiene, and with limited access to modern medical healthcare and pharmaceuticals (e.g., antibiotics).
- Group 1 sample size Number of subjects in the case (exposed) group
- 389
Lab analysis
Statistical Analysis
Signature 1
Source: Figure 3A
Description: Differential abundance of Bacteroidaceae and Prevotellaceae families and Bacteroides and Segatella/Prevotella genera between MSM (n = 93), Westernized (n = 481), non-Westernized (n = 389), and urban Chinese (n= 66) samples (Wilcoxon rank-sum test with FDR correction).
Abundance in Group 1: increased abundance in Non Westernized
NCBI | Quality Control | Links |
---|---|---|
Bacteroidaceae | ||
Bacteroides |
Revision editor(s): MyleeeA
Signature 2
Source: Figure 3A
Description: Differential abundance of Bacteroidaceae and Prevotellaceae families and Bacteroides and Segatella/Prevotella genera between MSM (n = 93), Westernized (n = 481), non-Westernized (n = 389), and urban Chinese (n= 66) samples (Wilcoxon rank-sum test with FDR correction).
Abundance in Group 1: decreased abundance in Non Westernized
NCBI | Quality Control | Links |
---|---|---|
Prevotellaceae | ||
Segatella/PrevotellaSegatella/Prevotella |
Revision editor(s): MyleeeA
Experiment 14
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- China (Urban)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Two Chinese cities - GuangDong and TangShan - which are located in Southern China and have been experiencing rapid urbanization in the last decade. They were used to represent populations from non-Western but relatively urbanized communities.
- Group 1 sample size Number of subjects in the case (exposed) group
- 66
Lab analysis
Statistical Analysis
Signature 1
Source: Figure 3A
Description: Differential abundance of Bacteroidaceae and Prevotellaceae families and Bacteroides and Segatella/Prevotella genera between MSM (n = 93), Westernized (n = 481), non-Westernized (n = 389), and urban Chinese (n= 66) samples (Wilcoxon rank-sum test with FDR correction).
Abundance in Group 1: increased abundance in China (Urban)
NCBI | Quality Control | Links |
---|---|---|
Prevotellaceae | ||
Segatella/PrevotellaSegatella/Prevotella |
Revision editor(s): MyleeeA
Signature 2
Source: Figure 3A
Description: Differential abundance of Bacteroidaceae and Prevotellaceae families and Bacteroides and Segatella/Prevotella genera between MSM (n = 93), Westernized (n = 481), non-Westernized (n = 389), and urban Chinese (n= 66) samples (Wilcoxon rank-sum test with FDR correction).
Abundance in Group 1: decreased abundance in China (Urban)
NCBI | Quality Control | Links |
---|---|---|
Bacteroidaceae | ||
Bacteroides |
Revision editor(s): MyleeeA