Gut microbiota composition modulation

"Gut microbiota composition modulation" refers to the intentional alteration—through dietary changes, probiotics/prebiotics administration, antibiotics use, or fecal transplantation—of the complex community structure within the human gastrointestinal tract. The goal is typically to restore balance after dysbiosis (an unhealthy shift), enhance beneficial functions such as nutrient absorption and immune regulation, mitigate inflammation or metabolic dysfunctions linked with disease states including psychological stress responses and gastrointestinal disorders. Unlike classical drug targets that are single proteins such as receptors or enzymes, this is a systems-level intervention targeting an entire ecological community rather than a discrete molecular entity. As such it is not considered a canonical therapeutic target like a receptor but rather an approach for modulating host physiology through manipulation of symbiotic microorganisms.

Other names

Gut microbiota modulationModulation of gut microbiome compositionMicrobiome modulationMicrobiota-targeted intervention

Mechanisms are indirect and include: - Alteration of microbial community structure to restore balance or promote beneficial species - Enhancement of metabolite production by commensal bacteria (e.g., short-chain fatty acids) - Suppression or outcompetition of pathogenic microbes via competitive exclusion or bacteriocin production