Bacteroides

Definition

Bacteroides are a genus of Gram-negative, obligate anaerobic bacteria that are commonly found in the intestines of humans and animals. They play essential roles in breaking down complex molecules and maintaining gut health.

5 Must Know Facts For Your Next Test

1. Bacteroides are a major component of the human gut microbiota and are crucial for digesting complex carbohydrates.
2. They are Gram-negative, non-spore forming, and rod-shaped bacteria.
3. Bacteroides can be opportunistic pathogens, leading to infections when they escape the gastrointestinal tract.
4. These bacteria have a mutualistic relationship with their host, aiding in nutrient absorption and immune system modulation.
5. Antibiotic resistance is increasingly common among Bacteroides species, complicating treatment of infections.

Related terms

Microbiome:

The collection of all microorganisms living in association with the human body.

Gram-Negative Bacteria: A group of bacteria characterized by their cell wall structure, which includes an outer membrane rich in lipopolysaccharides.

Opportunistic Pathogen: An organism that causes disease primarily when the host's immune defense is compromised or when introduced to an unusual location within the host.