Gut microbiota ecosystem (GM) (GM)

The gut microbiota ecosystem is a complex, dynamic community of trillions of microorganisms, including bacteria, fungi, archaea, and viruses, that reside primarily in the large intestine (Source: Nature Reviews Microbiology, 2022). This ecological community functions as a "forgotten organ," performing vital roles in nutrient metabolism, the synthesis of essential vitamins like K and B12, and the maturation of the host's immune system (Source: NIH, 2023). It also provides colonization resistance against pathogens by competing for nutrients and attachment sites (Source: Cell, 2021). Dysbiosis, characterized by a loss of microbial diversity or an overgrowth of pathogenic species, is strongly associated with local gastrointestinal disorders like Clostridioides difficile infection and inflammatory bowel disease (Source: PubMed, 2021). Furthermore, imbalances in the gut microbiota are linked to systemic conditions such as obesity, type 2 diabetes, and even neurodegenerative diseases via the gut-brain axis (Source: Nature, 2020). Therapeutic strategies targeting this ecosystem range from broad-spectrum antibiotics and probiotics to advanced live biotherapeutic products (LBPs) and fecal microbiota transplantations (Source: FDA, 2023). These interventions, such as the recently approved Vowst and Rebyota, aim to restore homeostatic balance and enhance the production of bioactive metabolites like short-chain fatty acids (Source: Seres Therapeutics, 2023).

Other names

Gut microbiomeIntestinal microbiotaGastrointestinal floraGut microfloraHuman intestinal tract ecosystem

Restoration of microbial diversity and ecological balance to suppress pathogen overgrowth and modulate host physiological processes (Source: Nature Reviews Microbiology, 2022).