Magnesium Transport in Escherichia coli

作者: J E Lusk , E P Kennedy

DOI: 10.1016/S0021-9258(18)91809-0

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摘要: Abstract A specific transport system with high affinity for magnesium ions has been discovered in Escherichia coli. Experiments 28Mg provided evidence that both uptake of radioactive into cells and the exit from are mediated processes. The is greatly reduced when chilled to 0° or treated sulfhydryl poisons such as N-ethylmaleimide. previously grown on takes place only presence a pool external unlabeled magnesium, also blocked by chilling treatment

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