Helicobacter pylori
Helicobacter pylori I. What every physician needs to know. Helicobacter pylori (H. pylori) is a gram negative bacterium isolated in 1982 when Marshall and Warren identified and subsequently cultured the gastric bacterium, Campylobacter pyloridis, later reclassified as Helicobacter pylori (H. pylori). Its urease, motility, and ability to adhere to gastric epithelium are factors that allow…