Helicobacter pylori urease and sulfhydryl-containing enzymes (N/A)

Helicobacter pylori urease is a nickel-dependent enzyme that plays a pivotal role in the pathogenesis of gastric infections by neutralizing stomach acid through the production of ammonia [1]. This neutralization creates a habitable microenvironment for the bacterium, allowing it to colonize the gastric mucosa [2]. In addition to urease, H. pylori relies on various sulfhydryl-containing enzyme systems that are essential for its metabolism and cellular homeostasis [3]. Therapeutic interventions, most notably bismuth-containing compounds, exert their antimicrobial effects by inhibiting urease activity and binding to the sulfhydryl groups of these vital bacterial enzymes [4]. This dual mechanism of action leads to the disruption of the bacterial cell wall, inhibition of protein and ATP synthesis, and eventual cell death [5]. Targeting these systems is a cornerstone in the eradication of H. pylori, which is a primary risk factor for peptic ulcers and gastric adenocarcinoma [6].

Other names

H. pylori ureaseUreaseSulfhydryl-dependent bacterial enzymesNickel-dependent urease

Inhibition of the urease enzyme prevents the neutralization of gastric acid, while the binding to sulfhydryl groups disrupts multiple bacterial metabolic pathways.