Patterns of epoxide metabolism by epoxide hydrolase and glutathione S-transferase associated with age and genotype in Drosophila melanogaster

J. A. Ottea, L. G. Harshman, B. Hammock

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10 Citations (Scopus)

Abstract

Epoxide hydrolase and glutathione S-transferase activities toward trans- and cis-stilbene oxides were measured in 3 strains of Drosophila melanogaster. Differences in age dependence, substrate selectivity and subcellular location were detected suggesting the presence of multiple forms of these enzymes. In addition, interstrain differences indicate the presence of genetic variation for epoxide hydrolase and glutathione transferase activities. These results illustrate a potential use of these assays in D. melanogaster to complement existing tests (e.g. recessive lethal tests or Ames assays) for evaluating the relationship between epoxide hydrolase and glutathione S-transferase levels and the genotoxicity of epoxides.

Original languageEnglish (US)
Pages (from-to)247-254
Number of pages8
JournalMutation Research - Fundamental and Molecular Mechanisms of Mutagenesis
Volume177
Issue number2
DOIs
StatePublished - 1987

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Epoxide Hydrolases
Carboxylesterase
Epoxy Compounds
Glutathione Transferase
Drosophila melanogaster
Genotype
Enzymes

Keywords

  • (Drosophila melanogaster)
  • Epoxide hydrolase
  • Genetic variation
  • Glutathione S-transferase
  • Insect epoxide metabolism
  • Isozymes
  • Stilbene oxide

ASJC Scopus subject areas

  • Molecular Biology
  • Health, Toxicology and Mutagenesis
  • Medicine(all)

Cite this

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abstract = "Epoxide hydrolase and glutathione S-transferase activities toward trans- and cis-stilbene oxides were measured in 3 strains of Drosophila melanogaster. Differences in age dependence, substrate selectivity and subcellular location were detected suggesting the presence of multiple forms of these enzymes. In addition, interstrain differences indicate the presence of genetic variation for epoxide hydrolase and glutathione transferase activities. These results illustrate a potential use of these assays in D. melanogaster to complement existing tests (e.g. recessive lethal tests or Ames assays) for evaluating the relationship between epoxide hydrolase and glutathione S-transferase levels and the genotoxicity of epoxides.",
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T1 - Patterns of epoxide metabolism by epoxide hydrolase and glutathione S-transferase associated with age and genotype in Drosophila melanogaster

AU - Ottea, J. A.

AU - Harshman, L. G.

AU - Hammock, B.

PY - 1987

Y1 - 1987

N2 - Epoxide hydrolase and glutathione S-transferase activities toward trans- and cis-stilbene oxides were measured in 3 strains of Drosophila melanogaster. Differences in age dependence, substrate selectivity and subcellular location were detected suggesting the presence of multiple forms of these enzymes. In addition, interstrain differences indicate the presence of genetic variation for epoxide hydrolase and glutathione transferase activities. These results illustrate a potential use of these assays in D. melanogaster to complement existing tests (e.g. recessive lethal tests or Ames assays) for evaluating the relationship between epoxide hydrolase and glutathione S-transferase levels and the genotoxicity of epoxides.

AB - Epoxide hydrolase and glutathione S-transferase activities toward trans- and cis-stilbene oxides were measured in 3 strains of Drosophila melanogaster. Differences in age dependence, substrate selectivity and subcellular location were detected suggesting the presence of multiple forms of these enzymes. In addition, interstrain differences indicate the presence of genetic variation for epoxide hydrolase and glutathione transferase activities. These results illustrate a potential use of these assays in D. melanogaster to complement existing tests (e.g. recessive lethal tests or Ames assays) for evaluating the relationship between epoxide hydrolase and glutathione S-transferase levels and the genotoxicity of epoxides.

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KW - Isozymes

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