Abstract
The potential genotoxicity of Cu2+ was investigated in Vicia faba and Pisum sativum seedlings in hydroponic culture conditions. Cu2+ caused a dose-dependent increase in micronuclei frequencies in both plant models. Cytological analysis of root tips cells showed clastogenic and aneugenic effects of this heavy metal on V. faba root meristems. Cu2+ induced chromosomal alterations at the lowest concentration used (2.5 mM) when incubated for 42 h, indicating the potent mutagenic effect of this ion. A spectrum of chromosomal abnormalities was observed in V. faba root meristems, illustrating the genotoxic events leading to micronuclei formation.
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Abbreviations
- MCN:
-
micronuclei
- MH:
-
maleic hydrazide
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Acknowledgment
This work was supported by a grant from ADEME “Bioindicateurs de Qualité des Sols” (PNETOX 2003).
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Souguir, D., Ferjani, E., Ledoigt, G. et al. Exposure of Vicia faba and Pisum sativum to copper-induced genotoxicity. Protoplasma 233, 203–207 (2008). https://doi.org/10.1007/s00709-008-0004-9
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DOI: https://doi.org/10.1007/s00709-008-0004-9