| Description | Bacteroides cellulosilyticus is an anaerobic, Gram-negative, rod-shaped bacterium classified as a mesophile, utilizing a chemoheterotrophic metabolism with energy derived from the fermentation of complex carbohydrates. This microbe predominantly resides in the human gastrointestinal tract, as well as in the intestines of various animals, and is known for its role in the breakdown of cellulose and other polysaccharides. As a mesophile, B. cellulosilyticus thrives at moderate temperatures, typically between 30°C and 37°C, which aligns well with the warm environment of the gut. Its chemoheterotrophic metabolism allows it to utilize organic compounds, particularly from dietary fibers, as its primary energy source. This capability not only aids in the digestion of complex carbohydrates but also contributes to the overall health of the host by providing essential short-chain fatty acids through fermentation processes. Being Gram-negative, B. cellulosilyticus possesses a thin peptidoglycan layer surrounded by an outer membrane, which is characteristic of this group of bacteria. This structural feature can affect its susceptibility to certain antibiotics and its interaction with the host immune system. The rod shape of the bacterium facilitates mobility and colonization within the gut environment, where it plays a pivotal role in maintaining a balanced microbiota. Bacteroides cellulosilyticus also exhibits an important ecological function, as it helps in the recycling of organic matter within the intestines, aiding both human and animal hosts in nutrient absorption and overall gut health. Its ability to break down cellulose is particularly significant, as it allows for the utilization of plant materials that would otherwise be indigestible, thereby enhancing nutrient availability. This microbe exemplifies the intricate relationships within the gut microbiome and underscores the importance of microbial diversity in health and digestion. |
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