scholarly journals Changes in the Intestinal Microbiome during a Multispecies Probiotic Intervention in Compensated Cirrhosis

Nutrients ◽  
2020 ◽  
Vol 12 (6) ◽  
pp. 1874 ◽  
Author(s):  
Angela Horvath ◽  
Marija Durdevic ◽  
Bettina Leber ◽  
Katharina di Vora ◽  
Florian Rainer ◽  
...  
Keyword(s):  
Gut Microbiome ◽  
Controlled Trial ◽  
16S Rrna Gene Sequencing ◽  
Intestinal Microbiome ◽  
Rrna Gene ◽  
Microbiome Composition ◽  
Beneficial Effects ◽  
Compensated Cirrhosis ◽  
Gut Barrier Function ◽  
Probiotic Treatment

Probiotics have been used in trials to therapeutically modulate the gut microbiome and have shown beneficial effects in cirrhosis. However, their effect on the microbiome of cirrhosis patients is not fully understood yet. Here, we tested the effects of a multispecies probiotic on microbiome composition in compensated cirrhosis. The gut microbiome composition of 58 patients with compensated cirrhosis from a randomized controlled trial who received a daily dose of multispecies probiotics or placebo for six months was analysed by 16S rRNA gene sequencing. Microbiome composition of patients who received probiotics was enriched with probiotic strains and the abundance of Faecalibacterium prausnitzii, Syntrophococcus sucromutans, Bacteroides vulgatus, Alistipes shahii and a Prevotella species was increased in the probiotic group compared to the placebo group. Patients who had microbiome changes in response to probiotic treatment also showed a significant increase in neopterin and a significant decrease in faecal zonulin levels after intervention, which was not observed in placebo-treated patients or patients with unchanged microbiome compositions. In conclusion, multispecies probiotics may enrich the microbiome of compensated cirrhotic patients with probiotic bacteria during a six-month intervention and beneficially change the residential microbiome and gut barrier function.

scholarly journals Effect of Commonly Used Pediatric Antibiotics on Gut Microbial Diversity in Preschool Children in Burkina Faso: A Randomized Clinical Trial

2018 ◽  
Vol 5 (11) ◽  
Author(s):  
Catherine E Oldenburg ◽  
Ali Sié ◽  
Boubacar Coulibaly ◽  
Lucienne Ouermi ◽  
Clarisse Dah ◽  
...  
Keyword(s):  
Preschool Children ◽  
Diversity Index ◽  
Controlled Trial ◽  
16S Rrna Gene Sequencing ◽  
Intestinal Microbiome ◽  
Rrna Gene ◽  
Once Daily ◽  
Microbiome Composition ◽  
Α Diversity ◽  
Rrna Gene Sequencing

Abstract Background Exposure to antibiotics may result in alterations to the composition of intestinal microbiota. However, few trials have been conducted, and observational studies are subject to confounding by indication. We conducted a randomized controlled trial to determine the effect of 3 commonly used pediatric antibiotics on the intestinal microbiome in healthy preschool children. Methods Children aged 6–59 months were randomized (1:1:1:1) to a 5-day course of 1 of 3 antibiotics, including amoxicillin (25 mg/kg/d twice-daily doses), azithromycin (10 mg/kg dose on day 1 and then 5 mg/kg once daily for 4 days), cotrimoxazole (240 mg once daily), or placebo. Rectal swabs were obtained at baseline and 5 days after the last dose and were processed using 16S rRNA gene sequencing. The prespecified primary outcome was inverse Simpson’s α-diversity index. Results Post-treatment Simpson’s diversity was significantly different across the 4 arms (P = .003). The mean Simpson’s α-diversity among azithromycin-treated children was significantly lower than in placebo-treated children (6.6; 95% confidence interval [CI], 5.5–7.8; vs 9.8; 95% CI, 8.7–10.9; P = .0001). Diversity in children treated with amoxicillin (8.3; 95% CI, 7.0–9.6; P = .09) or cotrimoxazole (8.3; 95% CI, 8.2–9.7; P = .08) was not significantly different than placebo. Conclusions Azithromycin affects the composition of the pediatric intestinal microbiome. The effect of amoxicillin and cotrimoxazole on microbiome composition was less clear. Clinical Trials Registration clinicaltrials.gov NCT03187834.

Abstract 18: Gut Microbiome Modifies the Protective Effects of a Mediterranean Dietary Pattern Against Diabetes Mellitus in US Hispanics/ Latinos: The Hispanic Community Health Study/ Study of Latinos (HCHS/SOL)

Circulation ◽  
2020 ◽  
Vol 141 (Suppl_1) ◽  
Author(s):  
Dong Wang ◽  
Qibin Qi ◽  
Zheng Wang ◽  
Mykhaylo Usyk ◽  
Daniela Sotres-Alvarez ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Relative Abundance ◽  
Gut Microbiome ◽  
16S Rrna Gene Sequencing ◽  
Health Study ◽  
Rrna Gene ◽  
Inverse Association ◽  
Protective Effects ◽  
Acid Fermentation ◽  
Microbiome Composition

Introduction: Little is known about whether the effect of a healthy diet on diabetes mellitus (DM) is modified by the gut microbiome in human. Hypothesis: We hypothesize that the gut microbiome modifies the inverse association between the Mediterranean diet (MedDiet) and risk of DM. Methods: This study included 543 DM cases, 805 with impaired glucose tolerance (IGT) and 394 with normal glucose regulation (NGR) in adults 23-83yrs old from the HCHS/SOL. Fecal samples were profiled using 16s rRNA gene sequencing. We applied QIIME 2 to cluster sequences into OTUs and assign taxonomies, and PICRUSt to predict metagenomic gene functions. Adherence to the MedDiet was evaluated by a MedDiet index using the average of two 24-hr dietary recalls. We applied MaAsLin2 to quantify associations between the MedDiet index and microbial features with adjustment for confounding factors listed in the caption of Fig. 1. Results: MedDiet was associated with phylogenetically diverse, rare, and abundant gut microbes (Fig. 1a). For example, a higher MedDiet index was associated with a higher relative abundance of Faecalibacterium Prausnitzii [FDR-adjusted p (q) =0.002], but a lower relative abundance of Collinsella aerofaciens ( q =0.009). We found that several microbial functions related to plant-derived polysaccharide degradation such as fructuronate reductase ( q =0.02), and short-chain fatty acid fermentation such as butyryl-CoA dehydrogenase ( q =0.002) were enriched in participants with higher MedDiet index. We found that the inverse association between MedDiet and risk of DM was more pronounced in participants with greater abundance of Prevotella copri , but weaker in participants whose gut microbial communities were dominated by Bacteroides ( P interaction =0.02 for IGT/DM vs NGR, Fig. 1b). Conclusions: Adherence to the MedDiet is associated with diverse gut microorganisms and microbial functions. The inverse association between MedDiet and risk of DM might be modified by gut microbiome composition. 1

scholarly journals Gut microbiome profiling of a rural and urban South African cohort reveals biomarkers of a population in lifestyle transition

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
O. H. Oduaran ◽  
F. B. Tamburini ◽  
V. Sahibdeen ◽  
R. Brewster ◽  
F. X. Gómez-Olivé ◽  
...  
Keyword(s):  
South African ◽  
Gut Microbiome ◽  
Geographical Location ◽  
16S Rrna Gene Sequencing ◽  
Overweight And Obesity ◽  
Future Research ◽  
Epidemiological Transition ◽  
Rrna Gene ◽  
Microbiome Composition ◽  
Targeted Interventions

Abstract Background Comparisons of traditional hunter-gatherers and pre-agricultural communities in Africa with urban and suburban Western North American and European cohorts have clearly shown that diet, lifestyle and environment are associated with gut microbiome composition. Yet, little is known about the gut microbiome composition of most communities in the very diverse African continent. South Africa comprises a richly diverse ethnolinguistic population that is experiencing an ongoing epidemiological transition and concurrent spike in the prevalence of obesity, largely attributed to a shift towards more Westernized diets and increasingly inactive lifestyle practices. To characterize the microbiome of African adults living in more mainstream lifestyle settings and investigate associations between the microbiome and obesity, we conducted a pilot study, designed collaboratively with community leaders, in two South African cohorts representative of urban and transitioning rural populations. As the rate of overweight and obesity is particularly high in women, we collected single time-point stool samples from 170 HIV-negative women (51 at Soweto; 119 at Bushbuckridge), performed 16S rRNA gene sequencing on these samples and compared the data to concurrently collected anthropometric data. Results We found the overall gut microbiome of our cohorts to be reflective of their ongoing epidemiological transition. Specifically, we find that geographical location was more important for sample clustering than lean/obese status and observed a relatively higher abundance of the Melainabacteria, Vampirovibrio, a predatory bacterium, in Bushbuckridge. Also, Prevotella, despite its generally high prevalence in the cohorts, showed an association with obesity. In comparisons with benchmarked datasets representative of non-Western populations, relatively higher abundance values were observed in our dataset for Barnesiella (log2fold change (FC) = 4.5), Alistipes (log2FC = 3.9), Bacteroides (log2FC = 4.2), Parabacteroides (log2FC = 3.1) and Treponema (log2FC = 1.6), with the exception of Prevotella (log2FC = − 4.7). Conclusions Altogether, this work identifies putative microbial features associated with host health in a historically understudied community undergoing an epidemiological transition. Furthermore, we note the crucial role of community engagement to the success of a study in an African setting, the importance of more population-specific studies to inform targeted interventions as well as present a basic foundation for future research.

scholarly journals The Effects of Probiotic Supplementation on Anthropometric Growth and Gut Microbiota Composition in Patients With Prader-Willi Syndrome: A Randomized Double-Blinded Placebo-Controlled Trial

2021 ◽  
Vol 8 ◽  
Author(s):  
Xue-Jun Kong ◽  
Guobin Wan ◽  
Ruiyi Tian ◽  
Siyu Liu ◽  
Kevin Liu ◽  
...  
Keyword(s):  
Gut Microbiome ◽  
Therapeutic Potential ◽  
Controlled Trial ◽  
Genetic Disorder ◽  
Prader Willi Syndrome ◽  
Gut Health ◽  
Double Blind ◽  
Microbiome Composition ◽  
Bifidobacterium Animalis ◽  
Probiotic Treatment

Background: Prader-Willi Syndrome (PWS) is a rare genetic disorder associated with developmental delay, obesity, and neuropsychiatric comorbidities. Bifidobacterium animalis subsp. lactis has demonstrated anti-obesity and anti-inflammatory effects in previous studies.Aim: To evaluate the effects of Bifidobacterium animalis subsp. lactis probiotics supplementation on anthropometric growth, behavioral symptoms, and gut microbiome composition in patients with PWS.Methods: Ethical Approval was issued by the Internal Review Board (IRB) of the Second Affiliated Hospital of Kunming Medical University (Review-YJ-2016-06). We conducted a 12-week, randomized, double-blind, placebo-controlled trial in 68 patients with Prader-Willi syndrome aged 11 months−16 years (mean = 4.2 years old) who were randomly assigned to receive daily B. lactis-11 probiotics (6 × 1010 CFUs) or a placebo sachet. Weight, height, ASQ-3, ABC, SRS-2, and CGI-I were compared between the two groups at baseline and at 6 and 12 weeks into treatment. Gut microbiome data were analyzed with the QIIME 2 software package, and functional gene analysis was conducted with PICRUSt-2.Results: We found a significant increase in height (mean difference = 2.68 cm, P < 0.05) and improvement in CGI-I (P < 0.05) in the probiotics group compared to the placebo group. No significant change in weight or psychological measures were observed. Probiotic treatment altered the microbiome composition to favor weight loss and gut health and increased the abundance of antioxidant production-related genes.Conclusions: The findings suggest a novel therapeutic potential for Bifidobacterium animalis subsp. lactis probiotics in Prader-Willi syndrome patients, although further investigation is warranted.

scholarly journals Dietary sphinganine is selectively assimilated by members of the gut microbiome

2020 ◽  
Author(s):  
Min-Ting Lee ◽  
Henry H. Le ◽  
Elizabeth L. Johnson
Keyword(s):  
Gut Microbiome ◽  
16S Rrna Gene Sequencing ◽  
Dietary Lipids ◽  
Rrna Gene ◽  
Bioactive Components ◽  
Microbiome Composition ◽  
Metabolic Products ◽  
Comparative Metabolomics ◽  
Rrna Gene Sequencing ◽  
Gut Microbial Community

AbstractFunctions of the gut microbiome have a growing number of implications for host metabolic health, with diet being one of the most significant influences on microbiome composition. Compelling links between diet and the gut microbiome suggest key roles for various macronutrients, including lipids, yet how individual classes of dietary lipids interact with the microbiome remain largely unknown. A class of lipids known as sphingolipids are bioactive components of most foods and are produced by prominent gut microbes. This makes sphingolipids intriguing candidates for shaping diet-microbiome interactions. Here, we use a click-chemistry based approach to track the incorporation of bioorthogonal dietary omega-alkynyl sphinganine (sphinganine alkyne – SAA) into the gut microbial community (Click). Identification of microbe and SAA-specific metabolic products was achieved by fluorescence-based sorting of SAA containing microbes (Sort), 16S rRNA gene sequencing to identify the sphingolipid-interacting microbes (Seq), and comparative metabolomics to identify products of SAA assimilation by the microbiome (Spec). Together this approach, Click-Sort-Seq-Spec (ClickSSS), revealed that SAA-assimilation was nearly exclusively performed by gut Bacteroides, indicating that sphingolipid-producing bacteria play a major role in processing dietary sphinganine. Comparative metabolomics of cecal microbiota from SAA-treated mice showed conversion of SAA to a suite of dihydroceramides, consistent with metabolic activity via Bacteroides and Bifidobacterium. Additionally, other sphingolipid-interacting microbes were identified with a focus on an uncharacterized ability of Bacteroides and Bifidobacterium to metabolize dietary sphingolipids. Therefore, ClickSSS provides a platform to study the flux of virtually any alkyne-labeled metabolite in diet-microbiome interactions.

scholarly journals Dietary sphinganine is selectively assimilated by members of the mammalian gut microbiome

2020 ◽  
pp. jlr.RA120000950 ◽  
Author(s):  
Min-Ting Lee ◽  
Henry H Le ◽  
Elizabeth L Johnson
Keyword(s):  
Gut Microbiome ◽  
16S Rrna Gene Sequencing ◽  
Dietary Lipids ◽  
Rrna Gene ◽  
Microbiome Composition ◽  
Bioorthogonal Labeling ◽  
Comparative Metabolomics ◽  
Metabolic Activities ◽  
Rrna Gene Sequencing ◽  
Gut Microbial Community

Functions of the gut microbiome have a growing number of implications for host metabolic health, with diet being one of the most significant influences on microbiome composition. Compelling links between diet and the gut microbiome suggest key roles for various macronutrients, including lipids, yet how individual classes of dietary lipids interact with the microbiome remains largely unknown. Sphingolipids are bioactive components of most foods and are also produced by prominent gut microbes. This makes sphingolipids intriguing candidates for shaping diet–microbiome interactions. Here, we used a click chemistry–based approach to track the incorporation of bioorthogonal dietary omega-alkynyl sphinganine (sphinganine alkyne [SAA]) into the murine gut microbial community (Bioorthogonal labeling). We identified microbial and SAA-specific metabolic products through fluorescence-based sorting of SAA-containing microbes (Sort), 16S rRNA gene sequencing to identify the sphingolipid-interacting microbes (Seq), and comparative metabolomics to identify products of SAA assimilation by the microbiome (Spec). Together, this approach, termed Bioorthogonal labeling-Sort-Seq-Spec (BOSSS), revealed that SAA assimilation is nearly exclusively performed by gut Bacteroides, indicating that sphingolipid-producing bacteria play a major role in processing dietary sphinganine. Comparative metabolomics of cecal microbiota from SAA-treated mice revealed conversion of SAA to a suite of dihydroceramides, consistent with metabolic activities of Bacteroides and Bifidobacterium. Additionally, other sphingolipid-interacting microbes were identified with a focus on an uncharacterized ability of Bacteroides and Bifidobacterium to metabolize dietary sphingolipids. We conclude that BOSSS provides a platform to study the flux of virtually any alkyne-labeled metabolite in diet–microbiome interactions.

scholarly journals Gut Microbiome Analysis As A Non-Invasive Tool for the Early Diagnosis of Cholangiocarcinoma

2021 ◽  
Author(s):  
Jialiang Li ◽  
Xueyan Li ◽  
Sina Zhang ◽  
Chen Jin ◽  
Zixia Lin ◽  
...  
Keyword(s):  
Gut Microbiota ◽  
Gut Microbiome ◽  
Microbial Community Composition ◽  
Intestinal Flora ◽  
Alpha Diversity ◽  
16S Rrna Gene Sequencing ◽  
Intestinal Microbiome ◽  
Rrna Gene ◽  
Non Invasive ◽  
Hepatobiliary Cancer

Abstract BACKGROUNDThe liver-microbiome axis is implicated in the pathogenesis of hepatobiliary cancer, and the role of the gut microbiota in cholangiocarcinoma (CCA) remains unclear.METHODWe conducted a case-control study on the intestinal flora of 33 CCA patients and 47 cholelithiasis individuals. We performed 16S rRNA gene sequencing to identify disease-related gut microbiota and assess the potential of the intestinal microbiome as a non-invasive biomarker for CCA.RESULTWe found that gut microbiome of CCA patients had a significantly higher alpha diversity (Shannon and Observed species indices, p = 0.006 and p = 0.02, respectively) and an overall different microbial community composition (p = 0.032). The genus Muribaculaceae_unclassified was most strongly associated with CCA (p < 0.001). We put forward a disease predictive model including twelve intestinal microbiome genera distinguished CCA patients from CF patients with an area under curve (AUC) of approximately 0.93 (95%CI, 0.85–0.987). The forecasting performance of this model was better than CA19-9. Moreover, genera Ezakiella and Garciella were only observed among intrahepatic cholangiocarcinoma patients. Further, we assessed predicted functional modules alternations CCA patients and uncovered a microbiota pattern specific to CCA.CONCLUSIONOur findings provide evidence of the intestinal microbiome as a non-invasive biomarker for CCA.

scholarly journals Complementary Food Ingredients Alter Infant Gut Microbiome Composition and Metabolism In Vitro

2021 ◽  
Vol 9 (10) ◽  
pp. 2089
Author(s):  
Shanthi G. Parkar ◽  
Doug I. Rosendale ◽  
Halina M. Stoklosinski ◽  
Carel M. H. Jobsis ◽  
Duncan I. Hedderley ◽  
...  
Keyword(s):  
Gut Microbiome ◽  
Milk Powder ◽  
Free Water ◽  
16S Rrna Gene Sequencing ◽  
Rrna Gene ◽  
Water Control ◽  
Food Ingredients ◽  
Microbiome Composition ◽  
Infant Gut Microbiome

We examined the prebiotic potential of 32 food ingredients on the developing infant microbiome using an in vitro gastroileal digestion and colonic fermentation model. There were significant changes in the concentrations of short-chain fatty-acid metabolites, confirming the potential of the tested ingredients to stimulate bacterial metabolism. The 16S rRNA gene sequencing for a subset of the ingredients revealed significant increases in the relative abundances of the lactate- and acetate-producing Bifidobacteriaceae, Enterococcaceae, and Lactobacillaceae, and lactate- and acetate-utilizing Prevotellaceae, Lachnospiraceae, and Veillonellaceae. Selective changes in specific bacterial groups were observed. Infant whole-milk powder and an oat flour enhanced Bifidobacteriaceae and lactic acid bacteria. A New Zealand-origin spinach powder enhanced Prevotellaceae and Lachnospiraceae, while fruit and vegetable powders increased a mixed consortium of beneficial gut microbiota. All food ingredients demonstrated a consistent decrease in Clostridium perfringens, with this organism being increased in the carbohydrate-free water control. While further studies are required, this study demonstrates that the selected food ingredients can modulate the infant gut microbiome composition and metabolism in vitro. This approach provides an opportunity to design nutrient-rich complementary foods that fulfil infants’ growth needs and support the maturation of the infant gut microbiome.

scholarly journals Changes in Microbial Community Composition Related to Sex and Colon Cancer by Nrf2 Knockout

2021 ◽  
Vol 11 ◽  
Author(s):  
Chin-Hee Song ◽  
Nayoung Kim ◽  
Ryoung Hee Nam ◽  
Soo In Choi ◽  
Jeong Eun Yu ◽  
...  
Keyword(s):  
Gut Microbiome ◽  
Microbial Community Composition ◽  
Alpha Diversity ◽  
16S Rrna Gene Sequencing ◽  
Rrna Gene ◽  
Related Factor ◽  
Invasive Adenocarcinoma ◽  
Linear Discriminant ◽  
Microbiome Composition ◽  
Male Control

The frequency of azoxymethane/dextran sulfate sodium (AOM/DSS)-induced carcinogenesis in male mice is higher than that in female mice. Previous studies have reported that 17β-estradiol inhibits tumorigenesis in males by modulating nuclear factor-erythroid 2-related factor 2 (Nrf2). This study aimed to investigate the changes in mouse gut microbiome composition based on sex, AOM/DSS-induced colorectal cancer (CRC), and Nrf2 genotype. The gut microbiome composition was determined by 16S rRNA gene sequencing fecal samples obtained at week 16 post-AOM administration. In terms of sex differences, our results showed that the wild-type (WT) male control mice had higher alpha diversity (i.e. Chao1, Shannon, and Simpson) than the WT female control mice. The linear discriminant analysis effect size (LEfSe) results revealed that the abundances of Akkermansia muciniphila and Lactobacillus murinus were higher in WT male control mice than in WT female controls. In terms of colon tumorigenesis, the alpha diversity of the male CRC group was lower than that of the male controls in both WT and Nrf2 KO, but did not show such changes in females. Furthermore, the abundance of A. muciniphila was higher in male CRC groups than in male controls in both WT and Nrf2 KO. The abundance of Bacteroides vulgatus was higher in WT CRC groups than in WT controls in both males and females. However, the abundance of L. murinus was lower in WT female CRC and Nrf2 KO male CRC groups than in its controls. The abundance of A. muciniphila was not altered by Nrf2 KO. In contrast, the abundances of L. murinus and B. vulgatus were changed differently by Nrf2 KO depending on sex and CRC. Interestingly, L. murinus showed negative correlation with tumor numbers in the whole colon. In addition, B. vulgatus showed positive correlation with inflammatory markers (i.e. myeloperoxidase and IL-1β levels), tumor numbers, and high-grade adenoma, especially, developed mucosal and submucosal invasive adenocarcinoma at the distal part of the colon. In conclusion, Nrf2 differentially alters the gut microbiota composition depending on sex and CRC induction.

scholarly journals Gut Microbiome Profiling of a Rural and Urban South African Cohort Reveals Biomarkers of a Population in Lifestyle Transition

2020 ◽  
Author(s):  
OH. Oduaran ◽  
FB. Tamburini ◽  
V. Sahibdeen ◽  
R. Brewster ◽  
FX. Gómez-Olivé ◽  
...  
Keyword(s):  
South African ◽  
Gut Microbiome ◽  
16S Rrna Gene Sequencing ◽  
Overweight And Obesity ◽  
Future Research ◽  
Epidemiological Transition ◽  
Rrna Gene ◽  
Microbiome Composition ◽  
Targeted Interventions ◽  
Rural And Urban

AbstractBackgroundComparisons of traditional hunter-gatherers and pre-agricultural communities in Africa with urban and suburban Western North American and European cohorts have clearly shown that diet, lifestyle and environment are associated with gut microbiome composition. Yet, little is known about the gut microbiome composition of most African adults. South Africa comprises a richly diverse ethnolinguistic population that is experiencing an ongoing epidemiological transition and concurrent spike in the prevalence of obesity, largely attributed to a shift towards more Westernized diets and increasingly inactive lifestyle practices. To better characterize the microbiome of African adults living in more mainstream lifestyle settings and to investigate associations between the microbiome and obesity, we conducted a pilot study in two South African cohorts that are representative of urban and rural populations. The study was designed collaboratively with community leaders. As the rate of overweight and obesity is particularly high in women, we collected single time-point stool samples from 170 HIV-negative women (51 at Soweto; 119 at Bushbuckridge), performed 16S rRNA gene sequencing on these samples and compared the data to concurrently collected anthropometric data.ResultsWe found the overall gut microbiome of our cohorts to be reflective of their ongoing epidemiological transition. Specifically, our results show a relatively higher than expected abundance of Western gut-associated taxa such as Barnesiella and the presence of Bifidobacteria and Bacteroides together with the more traditionally non-Western gut-associated Prevotella, Treponema and Succinivibrio. Interestingly, we observed a relatively higher abundance of the Melainabacteria, Vampirovibrio, a predatory bacterium, in the rural cohort. We also found Prevotella, despite its generally high prevalence relative to all taxa present in the cohort, to be associated with obesity.ConclusionsAltogether, this work identifies putative microbial features associated with host health in a historically understudied community. Furthermore, we note the crucial role of community engagement to the success of a study in an African setting, the importance of more population-specific studies to inform targeted interventions as well as present a basic foundation for future research in this regard.

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