| Description | Bacteroides stercoris is an obligate anaerobe, chemoheterotroph, producing energy through fermentation, a Gram-negative bacterium with a bacillus shape, predominantly found in the human gastrointestinal tract. This microbe thrives in the warm, nutrient-rich environment of the gut, where it plays a critical role in the breakdown of complex carbohydrates and the fermentation of dietary fibers.As an obligate anaerobe, Bacteroides stercoris cannot survive in the presence of oxygen, which is a crucial aspect of its ecological niche within the human body. Its anaerobic metabolism allows it to utilize various organic compounds as energy sources, primarily relying on the fermentation of carbohydrates and proteins. This process not only fosters its growth but also contributes to the overall health of the host by producing short-chain fatty acids (SCFAs), which are beneficial for colonic health and can serve as an energy source for intestinal cells. The Gram-negative nature of Bacteroides stercoris indicates that it has a thin peptidoglycan layer surrounded by an outer membrane, which can provide it with a degree of protection against certain antibiotics and the host immune response. Its bacillus shape is characteristic of many bacteria within the Bacteroides genus, facilitating mobility and colonization in the complex environment of the gut. Beyond its metabolic functions, Bacteroides stercoris is significant in maintaining gut homeostasis. It interacts synergistically with other gut microbiota, influencing the immune system and potentially preventing the onset of gastrointestinal diseases. Furthermore, variations in the abundance of Bacteroides species, including B. stercoris, have been linked to conditions such as obesity and inflammatory bowel diseases, highlighting its role not just in digestion but also in overall health and disease. |
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