The urease system of Helicobacter pylori

摘要: The habitation of the human and other mammalian stomachs by gastric Helicobacter spp. requires specific explanation since they are all Gram-negative neutralophiles. All infected acquire gastritis due to infection, although only 20% these achieve distinction peptic ulcer disease. Specific regions stomach can be inhabited organism, such as antrum, transition zone, or fundus. In latter situation atrophic ensue, in former sites either duodenal ulcer, respectively. theme this brief review is that for denizenic ability, locale depends on a balance between acidity, urea concentration activity intrabacterial urease.