Uropathogenic Escherichia coli outer membrane

The **Uropathogenic Escherichia coli outer membrane** is a specialized, complex lipid bilayer structure unique to Gram-negative bacteria such as UPEC. This membrane consists predominantly of **phospholipids**, **lipopolysaccharides (LPS)**, and a variety of **outer membrane proteins** and **adhesive organelles** (including pili and fimbriae). It functions as a critical **barrier to antibiotics and host immune molecules**, mediates **adhesion to uroepithelial cells** (via fimbrial adhesins, such as type 1 fimbriae and P pili), and supports the secretion or surface presentation of **virulence factors** that are essential for establishing **urinary tract infections (UTIs)**. LPS in the outer membrane directly impacts susceptibility to antibiotics, especially cationic antimicrobial peptides and polymyxins, and is immunogenic in the host, sometimes leading to inflammatory responses. As a multi-component structure, "Uropathogenic Escherichia coli bacterial membrane" is not a single molecular target, but rather a collection of structural and functional elements critical for UPEC pathogenesis, antibiotic resistance, and immune modulation[1][2][3][4][5][6]. **Note:** - The input "Uropathogenic Escherichia coli bacterial membrane" is not a canonical designation for a single druggable target; it describes a complex structure with multiple relevant pharmacological targets (e.g., LPS, porins, specific membrane proteins). Use with caution, and future queries may benefit from specifying individual components such as "UPEC lipopolysaccharide," "UPEC outer membrane protein A," or "UPEC type 1 pilus." - If a precise, individual molecular target is needed for structured databases, select one of the well-characterized surface proteins or LPS. - This entry is flagged as potentially **incorrect for structure-based or biomarker databases** since it is not a distinct, single molecule but a macromolecular assembly.

Other names

UPEC outer membraneEscherichia coli outer membrane (uropathogenic strain)UPEC membraneE. coli outer membrane (UPEC)UPEC cell envelope

Disruption of membrane integrity; Increased membrane permeability; Displacement of stabilizing cations in the outer membrane; Inhibition of outer membrane protein function; Inhibition of LPS biosynthesis or function