For 10 points, name this organism that lives in the acidic environment of the stomach and causes most ulcers.
This organism is targeted by clarithromycin, amoxicillin, and rabreprazole in the "triple therapy" drug regimen. This organism's version of High Temperature Requirement A can cleave cadherins. Its LPS mimics Lewis Antigens. This organism produces VacA and it exports CagA into targeted areas. This organism's urease was once believed to be a product of the human body. This organism hangs out in mucus. The 2005 Nobel Prize in Physiology went to Barry Marshall, who drank a culture of this Gram-negative bacterium. For 10 points, name this organism that lives in the acidic environment of the stomach and causes most ulcers.
This organism is targeted by clarithromycin, amoxicillin, and rabreprazole in the "triple therapy" drug regimen.
Helicobacter pylori [accept "triple therapy" before mentioned]