Article
Genetic Diversity as Consequence of a Microaerobic and Neutrophilic Lifestyle.
PLoS pathogens - 1 May 2016
Krüger Nora-Johanna, Knüver Marie-Theres, Zawilak-Pawlik Anna, Appel Bernd, Stingl Kerstin
Abstract excerpt
As a neutrophilic bacterium, Helicobacter pylori is growth deficient under extreme acidic conditions. The gastric pathogen is equipped with an acid survival kit, regulating urease activity by a pH-gated urea channel, opening below pH 6.5. After overcoming acid stress, the bacterium's multiplication site is situated at the gastric mucosa with near neutral pH. The pathogen exhibits exceptional genetic variability,...
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