Heterogeneity of Helicobacter pylori

Abstract excerpt

Although many physicians view Helicobacter pylori strains as a homogenous groupof organisms, it has become increasingly clear that populations in humans are highly diverse. This heterogeneity can be analyzed at two different levels: genotypic variation among strains and variations in H. pylori populations within an individual host. Genotypic variation includes point mutations in conserved genes (e.g. ureC),...

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