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Differences in Gut Metabolites and Microbial Composition and Functions between Egyptian and U.S. Children Are
V Shankar1, M Gouda2, J Moncivaiz1
1Department of Biochemistry and Molecular Biology, Boonshoft School of Medicine, Wright State University, Dayton, Ohio, USA.
Msystems
|February 14, 2017
Summary
Diet significantly shapes gut microbiota and metabolites. Egyptian children on a Mediterranean diet had more fiber-processing microbes, while U.S. children on a Western diet had more protein/fat-processing microbes, impacting health.
Area of Science:
- Microbiology and Nutritional Science
- Gut Microbiome Research
- Metabolomics
Background:
- Mediterranean diets are linked to lower cardiovascular and metabolic disease risk compared to Western diets.
- Gut microbiota composition and function are known to mediate diet's effects on host metabolism.
- Understanding diet-microbiota interactions is crucial for public health and disease prevention.
Purpose of the Study:
- To investigate the influence of diet on distal gut microbiota composition and function.
- To analyze intestinal metabolites in relation to dietary patterns in Egyptian and U.S. teenagers.
- To explore the gut microbiota's role in mediating diet-related metabolic outcomes.
Main Methods:
- Comparative analysis of distal gut microbiota composition and functional gene profiles.
- Intestinal metabolite profiling using advanced analytical techniques.
- Integrative analysis of microbiota and metabolite data from Egyptian and U.S. teenagers.
Main Results:
- Egyptian teenagers (Mediterranean diet) exhibited a Prevotella enterotype, enriched in polysaccharide-degrading microbes and short-chain fatty acids.
- U.S. teenagers (Western diet) showed a Bacteroides enterotype, with microbes and metabolites linked to protein and fat metabolism.
- Distinct microbial functions and metabolite profiles correlated with dietary differences, including elevated 1-methylhistamine in U.S. samples.
Conclusions:
- Dietary patterns significantly influence gut microbiota structure, function, and metabolite profiles.
- The gut microbiota acts as a key mediator between diet and host metabolism.
- Dietary modulation of gut microbiota offers potential for improving gut health and preventing disease.
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