Helicobacter pylori cell membrane and cell wall

The **Helicobacter pylori cell membrane and cell wall** together form the cell envelope, which is characteristic of Gram-negative bacteria and includes an inner (plasma) membrane, a thin peptidoglycan (cell wall) layer, and an outer membrane containing unique components such as cholesterol glucosides and lipopolysaccharides[2][6]. This envelope confers resistance to gastric acidity, contributes to the bacterium’s helical shape (which aids in colonization and motility through gastric mucus), and presents the first points of contact with the host immune system[2][7]. Several unique proteins, such as Csd5 and bactofilins, help maintain the helical shape and spatial organization of the cell wall[1][3]. The components of the H. pylori cell wall and membrane are important for its persistence in the human stomach, involvement in gastric diseases (ulcers, gastritis, gastric cancer), and as targets for antibiotics[2][5]. However, there is no single defined therapeutic "target" called "Helicobacter pylori cell membrane/wall"; rather, this term generically refers to the composite structure, and not to a specific receptor, enzyme, or protein target. Therefore, the entry is not a canonical therapeutic target and is potentially too broad or non-specific for structured databases.

Other names

H. pylori cell envelopeH. pylori outer membraneH. pylori peptidoglycan layerH. pylori cell surface

Inhibition of peptidoglycan synthesis (beta-lactam antibiotics); Disruption of cell membrane integrity (metronidazole, bismuth); Inhibition of protein synthesis (clarithromycin)