Context
A study of eight Indian tribal populations found distinctive gut microbial diversity strongly influenced by traditional dietary practices. Researchers stress microbiome biobanking to conserve this diversity and enable development of population-specific probiotic interventions.
Explanation
- Gut microbiome refers to the community of microorganisms and their genetic material inhabiting the gastrointestinal tract; diet is a major determinant of its composition.
- Gut microbes aid digestion, nutrient metabolism, vitamin synthesis, immune regulation and protection against pathogens.
- Indian tribal microbiomes show considerable diversity due to distinct dietary patterns, geography, culture and evolutionary adaptations.
- Bifidobacterium, widely used as a probiotic, ferments carbohydrates and produces beneficial short-chain fatty acids (SCFAs).
- High dairy consumption among some trans-Himalayan tribes is associated with distinctive Bifidobacterium adolescentis strains and lactose-metabolising microbial functions.
- Probiotics are live microorganisms that confer health benefits when administered in adequate amounts.
- Biobanking preserves biological samples and microbial diversity for future research and therapeutic applications.
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Tribal Gut Microbiome: India’s Dietary Diversity