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Intestin et microbiome

Bacteroidetes

A secondary but important bacterial phylum of the intestinal flora.

Definition

Phylum of Gram-negative bacteria that constitute 20-35% of the human intestinal microbiome, including Bacteroides, Prevotella, and Parabacteroides.

How it works

Bacteroidetes specialize in degrading complex polysaccharides and play a crucial role in fiber fermentation, producing short-chain fatty acids and influencing intestinal permeability.

Role

Degradates complex polysaccharides and contributes to the production of beneficial metabolites.

Examples

  • Bacteroides vulgatus, Prevotella copri, Parabacteroides distasonis, Alistipes putredinis

Recommendations

Increase consumption of fruits and vegetables rich in complex polysaccharides to promote Bacteroidetes. A diverse diet naturally supports them.

Key takeaway

Bacteroidetes are essential for a balanced microbiome and metabolic health.

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