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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Induction of gene mutations and gene conversions by vinyl chloride metabolites in yeast.

Chloroethylene oxide and 2-chloroacetaldehyde, two metabolites of vinyl chloride, and 2-chloroethanol, a putative metabolic intermediate, were assayed for their genetic activity in the yeasts Schizosaccharomyces pombe and Saccharomyces cerevisiae. Chloroethylene oxide was found to be the most effective in inducing forward mutations in Sch. pombe and gene conversions in S. cerevisiae, increasing the mutation and conversion frequencies 340 and 50 times, respectively, over those of the controls. In either the presence or the absence of mouse liver microsomes, 2-chloroacetaldehyde showed only feeble genetic activity, and 2-chloroethanol was completely inactive in both yeast strains. In contrast to vinyl chloride, 2-chloroacetaldehyde did not induce forward mutations in Sch. pombe inthe host-mediated assay in mice. The results strongly support the hypothesis that chloroethylene oxide is one of the principal mutagenic agents formed from vinyl chloride in the presence of mouse liver enzymes.[1]

References

  1. Induction of gene mutations and gene conversions by vinyl chloride metabolites in yeast. Loprieno, N., Barale, R., Baroncelli, S., Bartsch, H., Bronzetti, G., Cammelini, A., Corsi, C., Frezza, D., Nieri, R., Leporini, C., Rosellini, D., Rossi, A.M. Cancer Res. (1977) [Pubmed]
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