Target intelligence / Profile preview

Pseudomonas aeruginosa cell surface receptor (null)

Target
null
Molecular classification
Receptor, Transporter, Signal transducer, Adhesin, Enzyme, Other (outer membrane protein; porin)
01

Overview

The term “Pseudomonas aeruginosa cell surface receptor” encompasses a diverse group of proteins and complexes located in the outer membrane of *Pseudomonas aeruginosa*. These receptors include TonB-dependent transporters for iron/heme/siderophores uptake (e.g., FpvA, HasR, HxuA)[4][5], porins enabling nutrient and antibiotic diffusion (e.g., OprF, OprD)[6], and various signal transducers in cell surface signaling pathways (e.g., CSS components)[4][5]. Adhesins and pili serve in adherence to human tissues, promoting host colonization and biofilm formation[8]. Many of these surface receptors are critically involved in pathogenesis, including immune evasion, infection establishment, and resistance to host defenses and antibiotics[2][3][6]. Their diversity and adaptability make targeting these receptors for therapeutic and diagnostic purposes both promising and challenging; resistance mechanisms frequently arise via receptor modification or loss, and the multiplicity of receptor functions in virulence, signaling, and survival complicates intervention[6][7].

Other names
Cell surface receptor of Pseudomonas aeruginosaOuter membrane receptor of Pseudomonas aeruginosaP. aeruginosa surface proteinsP. aeruginosa porinsP. aeruginosa adhesinsP. aeruginosa TonB-dependent receptorsP. aeruginosa CSS receptors
02

Mechanism of action

LPS binding/disruption (e.g., colistin, polymyxin B); Inhibition of nutrient uptake (e.g., iron chelators block siderophore/ferripyoverdine receptors); Blocking biofilm formation (surface sensing/Wsp system inhibition); Disruption of cell signaling (targeting CSS pathways).

03

Biological functions

Signal transduction (cell surface signaling systems, e.g., CSS)Nutrient uptake (iron via siderophores, heme via TonB-dependent receptors)Adherence to host tissues (via adhesins and pili)Biofilm formation (surface sensing and signaling)Host cell invasion (via effector delivery to host cells, e.g., secretion systems)Immune evasion and virulence factor export
04

Disease associations

Infection (including pneumonia, cystic fibrosis, wound infection, sepsis)Inflammation (activation of host immune response)Other (biofilm-related chronic infections)
05

Safety considerations

Rapid resistance development (loss or mutation of surface proteins/porins results in antibiotic resistance)Off-target effects on host tissues when targeting adhesionImmune hypersensitivity (surface antigens can provoke strong inflammatory response)
06

Interacting drugs

Colistin (targets LPS on the cell surface)

4 more in the full profile.

07

Biomarkers

Expression level of outer membrane proteins (porins, TonB-dependent receptors)Detection of LPS structures as diagnostic markersPresence of adhesins or secretion system components (e.g., FpvA, OprF, PilA)

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