Chapter 21, Problem 4CT

Summary Introduction

To explain:

The reason behind the development of ulcers by a mutant strain of Helicobacter pylori, which is urease negative only in patients who either consume antacids in larger amounts or those taking drugs to block acid production.

Introduction:

Scientists have discovered a mutant strain of Helicobacter pylori, which is urease negative. The bacteria of this strain are able to cause infection only in patients who either consume antacids in huge amounts or produce less acid.