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Related Experiment Video

Updated: Apr 14, 2026

High Throughput SiRNA Screening for Chloropicrin and Hydrogen Fluoride-Induced Cornea Epithelial Cell Injury
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Small molecule fluoride toxicity agonists.

James W Nelson1, Mark S Plummer2, Kenneth F Blount2

  • 1Department of Chemistry, Yale University, New Haven, CT 06520, USA.

Chemistry & Biology
|April 25, 2015
PubMed
Summary
This summary is machine-generated.

Researchers identified compounds that boost fluoride toxicity in bacteria like E. coli. These small molecules increase intracellular fluoride levels, offering potential as novel antibacterial agents when combined with fluoride.

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Area of Science:

  • Biochemistry
  • Microbiology
  • Drug Discovery

Background:

  • Fluoride is a known inhibitor of metabolic processes.
  • Understanding mechanisms to enhance fluoride's antimicrobial effects is crucial.

Purpose of the Study:

  • To identify small molecules that enhance fluoride toxicity in bacteria.
  • To explore structure-activity relationships of these identified compounds.

Main Methods:

  • Utilized a high-throughput screen (HTS) employing a fluoride riboswitch reporter fusion construct.
  • Synthesized derivative compounds to analyze structure-activity relationships.

Main Results:

  • Successfully identified compounds that increase intracellular fluoride levels in Escherichia coli and Streptococcus mutans.
  • Optimized derivatives demonstrated improved activity in enhancing fluoride toxicity.

Conclusions:

  • Demonstrated the efficacy of HTS for identifying fluoride toxicity agonists from existing chemical libraries.
  • Highlighted the potential of these compounds as binary antibacterial agents when used with fluoride.