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Reilient Microbiota
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Dietary modulation of gut microbial short-chain fatty acid metabolism

More than the individual bacteria species, the metabolic bacterial network is important through the cross-feeding between fibre-degrading, oligosaccharide users, lactate or acetate producers which will give substrate for butyrate producers.

Some carbohydrates are more butyrogenic or propionigenic. Similar interactions exist in amino acids and proteins within the microbial community. Future will be based on modelling microbiota metabolism showing that interactions between microbes, environment (pH, …) and dietary substrates (indigestible fractions) are essential.