Is Helicobacter pylori derived from shigella sonnei?

Helicobacter pylori is not derived from Shigella sonnei. Helicobacter pylori is a distinct species of bacteria that is closely related to other Helicobacter species, such as H. felis and H. mustelae. Shigella sonnei is a species of bacteria that causes shigellosis, a diarrheal disease.