31. The bacterium Helicobacter pylori never ceases to amaze. 32. The second is that noninvasive H . pylori testing is substantially cheaper than endoscopy. 33. But H . pylori , like other parasites, is succumbing to modern hygiene. 34. "H . pylori " possesses five major outer membrane protein families. 35. These results suggested " H . pylori " was the causative agent. 36. For example, " Helicobacter pylori " has glutaminyl tRNA synthetase missing. 37. Several regimens are used to treat " H . pylori " infection. 38. Evidence has also implicated helicobacter pylori ( see gastritis ) as playing a role. 39. Ebrotidine counteracts the inhibitory effects of " H . pylori " lipopolysaccharides. 40. He then swallowed it, as a prophylactic against Helicobacter pylori in his stomach.