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Soil genotoxicity assessment-results of an interlaboratory study on the Vicia micronucleus assay in the context of ISO standardization

Abstract : The Vicia micronucleus assay was standardized in an international protocol, ISO 29200, "Assessment of genotoxic effects on higher plants-Vicia faba micronucleus test," for soil or soil materials (e.g., compost, sludge, sediment, waste, and fertilizing materials). The aim of this interlaboratory study on the Vicia micronucleus assay was to investigate the robustness of this in vivo assay in terms of its applicability in different countries where each participant were asked to use their own seeds and reference soil, in agreement with the ISO 29200 standard. The ISO 29200 standard protocol was adopted for this study, and seven laboratories from three countries (France, Italy, and Brazil) participated in the study. Negative and positive controls were correctly evaluated by 100 % of the participants. In the solid-phase test, the micronucleus frequency (number of micronuclei/1,000 cells) varied from 0.0 to 1.8 for the negative control (i.e., Hoagland's solution) and from 5.8 to 85.7 for the positive control (i.e., maleic hydrazide), while these values varied from 0.0 to 1.7 for the negative control and from 14.3 to 97.7 for the positive control in the case of liquid-phase test. The variability in the data obtained does not adversely affect the robustness of the protocol assessed, on the condition that the methodology described in the standard ISO 29200 is strictly respected. Thus, the Vicia micronucleus test (ISO 29200) is appropriate for complementing prokaryotic or in vitro tests cited in legislation related to risk assessment of genotoxicity potential.
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https://hal.archives-ouvertes.fr/hal-01159528
Contributor : Angelina Razafitianamaharavo <>
Submitted on : Wednesday, June 3, 2015 - 12:28:36 PM
Last modification on : Tuesday, May 4, 2021 - 3:38:04 PM

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Sylvie Cotelle, Adrien Dhyèvre, Serge Muller, Pascale Chenon, Nicolas Manier, et al.. Soil genotoxicity assessment-results of an interlaboratory study on the Vicia micronucleus assay in the context of ISO standardization. Environmental Science and Pollution Research, Springer Verlag, 2015, 22 (2), pp.988-995. ⟨10.1007/s11356-014-3495-2⟩. ⟨hal-01159528⟩

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