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HIGH-THROUGHPUT FLUORESCENT SCREENING ASSAY FOR INHIBITORS OF GRAM-NEGATIVE BACTERIAL IRON UPTAKE
HIGH-THROUGHPUT FLUORESCENT SCREENING ASSAY FOR INHIBITORS OF GRAM-NEGATIVE BACTERIAL IRON UPTAKE
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机译:负离子细菌铁吸收抑制剂的高通量荧光筛查
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摘要
A cell-based assay for identifying a compound that inhibits iron transport in Gram-negative bacteria, engineered bacterial cells, and kits for conducting the same. The assay involves contacting a candidate compound with an engineered Gram-negative bacteria in the presence of iron for a sufficient period of time, exposing the reaction solution to an energy source to generate the detectable signal, and detecting changes in the detectable signal in the reaction solution over time. The engineered Gram-negative bacteria comprises an iron transport protein on its outer membrane that comprises an amino acid residue that has been engineered with a detectable label that generates a detectable signal. The changes in the detectable signal in the assay system over time correspond to the effect of the candidate compound on iron transport in the Gram-negative bacteria.
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