Pseudomonas species surface receptors

Pseudomonas species surface receptors represent a broad category of proteins and molecules located on the outer membrane of bacteria within the Pseudomonas genus, most notably the opportunistic pathogen Pseudomonas aeruginosa. These receptors, which include outer membrane porins like OprD, siderophore receptors such as FpvA, and surface lectins like LecA, are essential for the bacterium's survival, nutrient acquisition, and environmental adaptation [1][2]. In clinical settings, these surface structures play a pivotal role in pathogenesis by facilitating adherence to host tissues and the formation of resilient biofilms, which are particularly problematic in patients with cystic fibrosis or compromised immune systems [3][4]. From a therapeutic perspective, these receptors are highly significant as they serve as the primary entry points or targets for several classes of antibiotics and experimental biologics. For instance, the antibiotic cefiderocol exploits siderophore receptors to bypass traditional resistance mechanisms, while monoclonal antibodies like MEDI3902 are designed to bind surface antigens to prevent host cell damage and enhance bacterial clearance [5][6]. However, the therapeutic utility of targeting these receptors is often challenged by the bacterium's ability to rapidly mutate or downregulate these proteins, leading to high levels of intrinsic and acquired resistance [7].

Other names

Pseudomonas surface proteinsPseudomonas outer membrane proteinsPseudomonas cell wall receptorsPseudomonas aeruginosa surface antigens

Siderophore-mediated active transport (Trojan horse mechanism), Disruption of outer membrane integrity via lipopolysaccharide binding, Neutralization of surface-exposed virulence factors, Inhibition of bacterial adhesion to host cells