Escherichia coli cell surface receptor

Escherichia coli cell surface receptors represent a heterogeneous group of molecules, including proteins and lipopolysaccharides, that facilitate the bacterium's interaction with its environment and host cells (Silhavy et al., 2010). Key components include adhesins such as FimH, which is located at the tip of type 1 pili and mediates binding to mannosylated receptors on host epithelial cells, a critical step in the pathogenesis of urinary tract infections (Spaulding et al., 2017). Other significant receptors include outer membrane proteins (OMPs) like OmpA and OmpC, which serve as porins for nutrient transport and structural components, as well as receptors for bacteriophages (Koebnik et al., 2000). These surface structures are prime targets for therapeutic development; for example, small-molecule mannosides like Sibofimloc are designed to inhibit FimH-mediated adhesion, while polymyxins target the lipopolysaccharide (LPS) layer to disrupt membrane integrity (Klein et al., 2010). Additionally, the specificity of bacteriophages for particular surface receptors is being exploited in phage therapy to treat multi-drug resistant E. coli infections (Bertozzi Silva et al., 2016). Targeting these surface components offers a strategy to prevent infection or overcome antibiotic resistance by disrupting the initial stages of bacterial pathogenesis.

Other names

E. coli surface proteinsE. coli adhesinsE. coli outer membrane proteinsOMPsBacterial cell envelope receptors

Inhibition of bacterial adhesion to host cells, disruption of outer membrane integrity, and facilitation of bacteriophage entry into the bacterial cell.