| Description | Bacteroides eggerthii is an obligate anaerobic, Gram-negative bacterium that falls under the Chemoheterotroph category, deriving its energy from organic compounds. It typically appears as a rod-shaped organism and is part of the diverse microbiota found in the human gut, present in various body sites including the oral cavity, gastrointestinal tract, and sometimes in the respiratory and urogenital tracts. As an obligate anaerobe, Bacteroides eggerthii thrives in environments devoid of oxygen, making it well-suited to the anaerobic conditions of the intestines where it plays a crucial role in digestion. Being a chemoheterotroph, this microbe relies on organic substrates for both carbon and energy, contributing significantly to the breakdown of complex carbohydrates and proteins. Its metabolic activities not only assist in nutrient absorption for the host but also result in the production of short-chain fatty acids, which are vital for gut health and can influence systemic inflammation. The Gram-negative nature of Bacteroides eggerthii signifies that it possesses a thin peptidoglycan layer surrounded by an outer membrane, contributing to its resilience against certain antibiotics. The rod shape of this bacterium allows it to efficiently colonize various niches within the gut environment, where it can form biofilms and interact with other microbial species. Bacteroides eggerthii also plays a significant role in the human microbiome, where it can contribute to immune modulation and the maintenance of gut homeostasis. Disturbances in its population can be linked to conditions such as inflammatory bowel disease and other gut-related disorders. Additionally, its ability to metabolize a wide range of substrates underscores its adaptability and importance in maintaining a balanced gut microbiota. |
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