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Magnesium transport in Salmonella typhimurium: biphasic magnesium and time dependence of the transcription of the mgtA and mgtCB loci.

Microbiology (Reading, England) - 1 Mar 1998

Tao Tao, Grulich Paul F, Kucharski Lisa M, Smith Ronald L, Maguire Michael E

Abstract excerpt

Salmonella typhimurium has three distinct Mg2+ transport systems, the constitutive high-capacity CorA transporter and two P-type ATPases, MgtA and MgtB, whose transcription is repressed by normal concentrations of Mg2+ in the growth medium. The latter Mg(2+)-transporting ATPase is part of a two-gene operon, mgtCB, with mgtC encoding a 23 kDa protein of unknown function. Transcriptional regulation using fusions of...

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PMID: 9534236
DOI: 10.1099/00221287-144-3-655

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