Types of tobacco consumption and the oral microbiome in the United Arab Emirates Healthy Future (UAEHFS) Pilot Study
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Study information
-
Quality control
- Retracted paper
- Contamination issues suspected
- Batch effect issues suspected
- Uncontrolled confounding suspected
- Results are suspect (various reasons)
- Tags applied
study design
Citation
PMID PubMed identifier for scientific articles.
DOI Digital object identifier for electronic documents.
URI Uniform resource identifier for web resources.
Authors
Vallès Y, Inman CK, Peters BA, Ali R, Wareth LA, Abdulle A, Alsafar H, Anouti FA, Dhaheri AA, Galani D, Haji M, Hamiz AA, Hosani AA, Houqani MA, Junaibi AA, Kazim M, Kirchhoff T, Mahmeed WA, Maskari FA, Alnaeemi A, Oumeziane N, Ramasamy R, Schmidt AM, Weitzman M, Zaabi EA, Sherman S, Hayes RB, Ahn J
Journal
Scientific reports
Year
2018
Cigarette smoking alters the oral microbiome; however, the effect of alternative tobacco products remains unclear. Middle Eastern tobacco products like dokha and shisha, are becoming globally widespread. We tested for the first time in a Middle Eastern population the hypothesis that different tobacco products impact the oral microbiome. The oral microbiome of 330 subjects from the United Arab Emirates Healthy Future Study was assessed by amplifying the bacterial 16S rRNA gene from mouthwash samples. Tobacco consumption was assessed using a structured questionnaire and further validated by urine cotinine levels. Oral microbiome overall structure and specific taxon abundances were compared, using PERMANOVA and DESeq analyses respectively. Our results show that overall microbial composition differs between smokers and nonsmokers (p = 0.0001). Use of cigarettes (p = 0.001) and dokha (p = 0.042) were associated with overall microbiome structure, while shisha use was not (p = 0.62). The abundance of multiple genera were significantly altered (enriched/depleted) in cigarette smokers; however, only Actinobacillus, Porphyromonas, Lautropia and Bifidobacterium abundances were significantly changed in dokha users whereas no genera were significantly altered in shisha smokers. For the first time, we show that smoking dokha is associated to oral microbiome dysbiosis, suggesting that it could have similar effects as smoking cigarettes on oral health.
Statistical test
DESeq2
Experiment 1
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Subjects
- Location of subjects
- United Arab Emirates
- Host species Species from which microbiome was sampled (if applicable)
- Homo sapiens
- Body site Anatomical site where microbial samples were extracted from according to the Uber Anatomy Ontology
- Saliva Sailva normalis,Saliva atomaris,Saliva molecularis,Salivary gland secretion,Saliva
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- smoking behavior smoking,smoking behavior
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Nonsmokers
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Cigarette Smokers
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- People consuming tobacco in the form of cigarettes (CS)
- Group 0 sample size Number of subjects in the control (unexposed) group
- 225
- Group 1 sample size Number of subjects in the case (exposed) group
- 33
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- None
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- V4
- 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
- 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
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: increased abundance in Cigarette Smokers
| NCBI | Links |
|---|---|
| Atopobium � | |
| Bifidobacterium � | |
| Campylobacter � | |
| Dialister � | |
| Enhydrobacter ⚠� | |
| Megasphaera � | |
| Mycoplasma � | |
| Paludibacter | |
| Prevotella � | |
| Treponema � |
Revision editor(s): Adi13
Signature 2
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: decreased abundance in Cigarette Smokers
Revision editor(s): Adi13
Experiment 2
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Differences from previous experiment shown
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Dokha Smokers
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- People consuming tobacco in the form of dokha (DS)
- Group 1 sample size Number of subjects in the case (exposed) group
- 16
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
Signature 1
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: increased abundance in Dokha Smokers
| NCBI | Links |
|---|---|
| Atopobium � | |
| Bifidobacterium � | |
| Campylobacter � | |
| Dialister � | |
| Enhydrobacter ⚠� | |
| Megasphaera � | |
| Mycoplasma � | |
| Paludibacter | |
| Prevotella � | |
| Treponema � |
Revision editor(s): Adi13
Signature 2
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: decreased abundance in Dokha Smokers
Revision editor(s): Adi13
Experiment 3
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Differences from previous experiment shown
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Shisha Smokers
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- People consuming tobacco in the form of shisha (SS)
- 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
Signature 1
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: increased abundance in Shisha Smokers
Revision editor(s): Adi13
Signature 2
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: decreased abundance in Shisha Smokers
| NCBI | Links |
|---|---|
| Fusobacterium � | |
| Haemophilus � | |
| Lautropia � | |
| Neisseria � | |
| Paludibacter | |
| Peptostreptococcus � | |
| Porphyromonas � | |
| Vagococcus � | |
| Treponema � |
Revision editor(s): Adi13
Experiment 4
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Differences from previous experiment shown
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Mutiple Smokers
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- People consuming tobacco in multiple forms out of cigarettes (CS), dokha (DS) and shisha (SS)
- Group 1 sample size Number of subjects in the case (exposed) group
- 41
Lab analysis
Statistical Analysis
Signature 1
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: increased abundance in Mutiple Smokers
| NCBI | Links |
|---|---|
| Bifidobacterium � | |
| Campylobacter � | |
| Dialister � | |
| Enhydrobacter ⚠� | |
| Leptotrichia � | |
| Mycoplasma � | |
| Paludibacter | |
| Treponema � |
Revision editor(s): Adi13
Signature 2
Reviewed Marked as Reviewed by Claregrieve1 on 2023-5-4
Source: Table 2
Description: Differentially abundant taxa at selected taxonomical levels by type of tobacco use, compared to nonsmokers
Abundance in Group 1: decreased abundance in Mutiple Smokers
Revision editor(s): Adi13
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