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Arabidopsis assay for mutagenicity
T Gichner1, S A Badayev, S I Demchenko
1Institute of Experimental Botony, Prague, Czech Republic.
Mutation Research
|October 16, 1994
Summary
The Arabidopsis thaliana assay effectively identified mutagenic environmental agents. Three of five tested compounds were consistently mutagenic across four international laboratories, aiding environmental safety assessments.
Area of Science:
- Environmental Science
- Toxicology
- Plant Biology
Background:
- Environmental agents pose risks to ecosystems and human health.
- Plant test systems offer a valuable method for assessing mutagenicity.
- The International Programme on Chemical Safety (IPCS) facilitates global research collaboration.
Purpose of the Study:
- To evaluate the efficacy of the Arabidopsis thaliana assay in detecting mutagenic environmental agents.
- To assess the reliability of plant test systems across multiple international laboratories.
- To determine the mutagenic potential of five specific chemical compounds.
Main Methods:
- A collaborative study involving four international laboratories (Czech Republic and CIS).
- Utilized the Arabidopsis thaliana assay to test five chemical compounds.
- Standardized protocols were followed for consistent data collection and analysis.
Main Results:
- Ethyl methanesulfonate, N-methyl-N-nitrosourea, and azidoglycerol were identified as mutagenic by all laboratories.
- Sodium azide (NaN3) consistently showed negative mutagenic results.
- Maleic hydrazide yielded mixed results, with one lab reporting weak mutagenicity and others reporting non-mutagenicity.
Conclusions:
- The Arabidopsis thaliana assay is a reliable tool for assessing the mutagenic potential of environmental agents.
- Cross-laboratory consistency in results highlights the robustness of the Arabidopsis assay.
- Further investigation may be needed for compounds with variable mutagenic responses, like maleic hydrazide.