Gastrointestinal microbial biofilm

Gastrointestinal microbial biofilm refers to a structured, three-dimensional community of diverse microorganisms, primarily bacteria, embedded within a self-produced matrix of extracellular polymeric substances (EPS) that adheres to surfaces within the gastrointestinal tract[1][3][4][5]. This matrix, composed of polysaccharides, proteins, and DNA, provides mechanical stability to the microbial community, mediates strong resistance to environmental stressors, antimicrobials, and immune system attacks, and facilitates persistent colonization[1][3]. Biofilm formation on the intestinal mucosa can lead to disruption of normal gut homeostasis and is implicated in a variety of diseases including chronic infection, inflammation, and cancer[3][4][5]. Both commensal and pathogenic microbes participate in biofilm formation, with disease-associated biofilms displaying invasion into or across the protective mucus layer, direct interaction with epithelial cells, and promotion of disease processes. There is increasing recognition that the biofilm phenotype, rather than the individual bacterial species per se, contributes crucially to antibiotic resistance and pathogenesis in the gastrointestinal environment[1][3][4][5]. Note: - This "target" is **not** a protein, enzyme, receptor, or singular molecular entity. Rather, it is a multicellular, multi-species microbial structure. It is not generally considered a classical therapeutic target in pharmacology or drug discovery, but rather a biological phenomenon or process[1][2][3][4][5]. - Specific genes, proteins, or signaling pathways that regulate biofilm formation may be bona fide molecular targets, but "gastrointestinal microbial biofilm" as stated is too broad and non-molecular to serve as a target in the conventional sense.

Other names

Intestinal biofilmGut biofilmGI biofilmGut microbiota biofilmGastrointestinal tract biofilm