| Description | Prevotella sp. CAG:755 is a nonsporulating, chemoheterotrophic bacterium found predominantly in the gut microbiota of humans and other mammals. This species belongs to the genus Prevotella, which is characterized by its role in the fermentation of complex carbohydrates and proteins, contributing to the overall metabolic activity within the host gut. Prevotella sp. CAG:755 thrives in a complex anaerobic environment, utilizing a range of polysaccharides as its primary energy source, which underscores its adaptability to diverse dietary inputs. As part of the gut microbiome, Prevotella sp. CAG:755 plays a significant role in the digestion of dietary fiber and the production of short-chain fatty acids (SCFAs), such as butyrate and propionate, which are vital for maintaining intestinal health and supporting immune function. This bacterium's metabolic byproducts not only provide energy for colonocytes—the cells lining the colon—but also serve as signaling molecules that can influence systemic inflammation and metabolic processes. Ecologically, Prevotella sp. CAG:755 reflects the dietary habits of its host; its abundance tends to correlate with plant-rich diets, supporting the idea that gut microbiota composition can be shaped by nutritional choices. Furthermore, the presence of this species is often associated with health conditions such as obesity and inflammatory bowel diseases, highlighting its potential as a biomarker for gut health and disease. Understanding the dynamics of Prevotella sp. CAG:755 may offer insights into the complex interactions between diet, gut microbiota, and host health. |
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