Helicobacter pylori is a gram-negative bacteria, which are highly motile and slightly helical in shape. Helicobacter pylori is otherwise called as Campylobacter pylori . Peptic ulcer is caused by the bacteria Helicobacter pylori . This bacteria have several virulence factors to colonize the human stomach. Peptic ulcer occurs in stomach, duodenum, and lower esophagus.

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Chapter 23, Problem 2MTF

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Helicobacter pylori is a gram-negative bacteria, which are highly motile and slightly helical in shape. Helicobacter pylori is otherwise called as Campylobacter pylori. Peptic ulcer is caused by the bacteria Helicobacter pylori. This bacteria have several virulence factors to colonize the human stomach. Peptic ulcer occurs in stomach, duodenum, and lower esophagus.

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