doi: 10.1111/j.1574-6968.2000.tb09019.x.
Evidence for the transport of zinc(II) ions via the pit inorganic phosphate transport system in Escherichia coli
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- PMID: 10713426
- DOI: 10.1111/j.1574-6968.2000.tb09019.x
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Evidence for the transport of zinc(II) ions via the pit inorganic phosphate transport system in Escherichia coli
FEMS Microbiol Lett.
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Abstract
A locus involved in zinc(II) uptake in Escherichia coli K-12 was identified through the generation of a zinc(II)-resistant mutant by transposon (Tn10dCam) mutagenesis. The mutation was located within the pitA gene, which encodes the low-affinity inorganic phosphate transport system (Pit). The pitA mutant accumulated reduced amounts of zinc(II) when exposed to 0.5-2.0 mM ZnSO(4) during growth in Luria-Bertani medium.
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