Magnesium Uptake by CorA Is Essential for Viability of the Gastric Pathogen Helicobacter pylori

Abstract excerpt

We show here that Mg(2+) acquisition by CorA is essential for Helicobacter pylori in vitro, as corA mutants did not grow in media without Mg(2+) supplementation. Complementation analysis performed with an Escherichia coli corA mutant revealed that H. pylori CorA transports nickel and cobalt in addition to Mg(2+). However, Mg(2+) is the dominant CorA substrate, as the corA mutation affected neither cobalt and...

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