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Mutagenicity and toxicity of chloroethylene oxide and chloroacetaldehyde

Summary

Exposure of severaltrp-auxotrophicEscherichia coli strains, carrying base0pair substitutions, to chloroethylene oxide or chloroacetaldehyde (two metabolites of vinyl chloride) increased the mutation frequency to tryptophan prototrophy. Strong cytotoxic and mutagenic effects were observed with 2.5 mM chloroethylene oxide, while a higher concentration of chloroacetaldehyde (100 mM) exhibited a mutagenic effect which was 400 times lower.

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I am grateful to Prof. G. Michel, Laboratoire de Biochimie Microbienne, and to Dr H. Bartsch, International Agency for Research on Cancer, for the support of this work. I wish to thank Dr F. Besson-Simien and Dr A. Barbin for their collaboration.

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Perrard, M.H. Mutagenicity and toxicity of chloroethylene oxide and chloroacetaldehyde. Experientia 41, 676–677 (1985). https://doi.org/10.1007/BF02007715

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  • DOI: https://doi.org/10.1007/BF02007715

Key words

  • Chloroethylene oxide
  • chloroacetaldehyde
  • mutagenicity
  • toxicity,Escherichia coli