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Related Experiment Videos

Acrylonitrile induces autolysis Bacillus subtilis.

G F Reyes1, D Corbett, F W Benz

  • 1Department of Microbiology and Immunology, University of Louisville, Health Sciences Center, Louisville, KY 40292, USA.

FEMS Microbiology Letters
|January 6, 2000
PubMed
Summary

Acrylonitrile (AN) induces bacterial autolysis in Bacillus subtilis by partially converting to cyanide. This discovery suggests AN

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Area of Science:

  • Microbiology
  • Environmental Science
  • Toxicology

Background:

  • Acrylonitrile (AN) is a widely used industrial chemical with known toxicity and carcinogenicity.
  • The interaction of AN with microorganisms, particularly its effects on bacterial physiology, is not fully understood.

Purpose of the Study:

  • To investigate the effect of Acrylonitrile (AN) on bacterial cell death.
  • To elucidate the mechanism by which AN affects bacterial viability.
  • To explore potential applications of AN-induced bacterial responses.

Main Methods:

  • Exposure of Bacillus subtilis suspensions to Acrylonitrile (AN).
  • Monitoring of bacterial autolysis and enzyme activity.
  • Analysis of AN metabolism and conversion products within bacterial cells.

Main Results:

  • Acrylonitrile (AN) induced autolysis in Bacillus subtilis.
  • AN was partially converted to cyanide within B. subtilis.
  • Dissipation of protonmotive force by cyanide activated autolytic enzymes, though cyanide levels were insufficient for spontaneous autolysis.
  • This is the first report of AN inducing autolytic reactions in bacteria.

Conclusions:

  • Acrylonitrile (AN) can trigger autolytic processes in bacteria, offering a novel biological response.
  • The autolysis of B. subtilis induced by AN may serve as a sensitive method for environmental monitoring of AN.
  • Bacterial metabolism of AN presents potential avenues for bioremediation strategies.

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