Bacteriodetes

Definition

Bacteroidetes is a phylum of Gram-negative bacteria that are prevalent in the human gut microbiota. They play a crucial role in breaking down complex molecules such as polysaccharides.

5 Must Know Facts For Your Next Test

1. Bacteroidetes constitute a significant portion of the human intestinal microbiota, often making up about 30% of the bacterial population.
2. They are involved in the degradation of complex carbohydrates, aiding in digestion and nutrient absorption.
3. Several species within Bacteroidetes have been linked to maintaining gut health by preventing colonization by pathogenic bacteria.
4. Dysbiosis involving Bacteroidetes has been associated with conditions like obesity, inflammatory bowel disease (IBD), and diabetes.
5. Bacteroidetes produce short-chain fatty acids (SCFAs) like acetate and propionate, which are beneficial for colonic health.

Related terms

Gut Microbiota:

The community of microorganisms residing in the gastrointestinal tract.

Dysbiosis:

An imbalance in the microbial communities, often associated with disease.

Short-Chain Fatty Acids (SCFAs): Fatty acids produced by gut bacteria during fermentation that benefit colonic health.