Gram-negative bacteria cell membrane

The Gram-negative bacteria cell membrane is a structural component of Gram-negative bacteria, consisting of a complex cell envelope with an outer membrane, a thin peptidoglycan layer, and an inner (cytoplasmic) membrane. The outer membrane contains lipopolysaccharides (LPS), which act as potent endotoxins and are critical for immune system interactions and virulence[1][4][5]. The cell membrane structure is a barrier to many antibiotics, detergents, and dyes, contributing to Gram-negative bacteria’s notable antibiotic resistance[2][4]. This envelope plays crucial roles in protecting the bacteria from environmental threats, facilitating nutrient transport (via porins and transporters), and anchoring factors involved in adhesion and virulence[1][4][5]. Note: The membrane itself is not a direct drug target but is essential in mediating drug interaction, resistance, and virulence factors. The term "Aerobic Gram-negative bacteria cell membrane" is not a canonical therapeutic target but rather a general structural feature of a broad class of bacteria. Individual membrane proteins (e.g., efflux pumps, porins, LPS) within this membrane are considered drug targets, but the collective membrane is not typically classified as a single target[4][5].

Other names

Gram-negative bacterial outer membraneGram-negative outer membraneGram-negative cell envelope

Inhibition of cell wall synthesis (by β-lactams targeting penicillin-binding proteins) Disruption of membrane integrity (by polymyxins)