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期刊名称: PLoS ONE
Volume:12    Issue:8    
ISSN:1932-6203

Genotoxic effects of Roundup Full II® on lymphocytes of Chaetophractus villosus (Xenarthra, Mammalia): In vitro studies期刊论文

作者: Luaces Juan Pablo Rossi Luis Francisco Chirino Mónica Gabriela Browne Melanie Merani María Susana
DOI:10.1371/journal.pone.0182911

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被引频次: 3
出版者: PUBLIC LIBRARY SCIENCE,Public Library of Science,Public Library of Science (PLoS)
期刊名称: PLoS ONE
ISSN: 1932-6203
卷期: Volume:12    Issue:8
语言: English
摘要: In Argentina, Chaetophractus villosus has a wide distribution that overlaps with agricultural areas where soybean is the predominant crop. In such areas the pesticide Roundup Full II (R) (RU) is widely applied. The genotoxic effect of its active ingredient glyphosate (RU is 66.2% glyphosate) on the peripheral blood lymphocytes of C. villosus was tested over a range of concentrations (280, 420, 560, 1120 mu mol/L). Culture medium without glyphosate served as negative control, while medium containing mitomycin C served as positive control. Genetic damage was characterized in terms of the percentage of cells with chromosome aberrations (CA), the mean number of sister chromatid exchanges (SCE) per cell, and the modification of cell proliferation kinetics via the calculation of the replication index. Significant increases (p < 0.0001) were seen in the CA frequency and the mean number of SCEs per cell compared to negative controls at all the RU concentrations tested. Chromatid breaks, the only form of CA observed, under the 560 mu mol/L RU conditions and in presence of mitomycin C were four to five times more common than at lower concentrations, while no viable cells were seen in the 1120 mu mol/L treatment. The mean number of SCEs per cell was significantly higher under the 280 mu mol/L RU conditions than the 420 or 560 mu mol/L RU conditions; cells cultivated in the presence of MMC also showed significantly more SCEs. All the RU concentrations tested (except in the 1120 mu mol/L RU treatment [no viable cells]) induced a significant reduction in the replication index (p < 0.0001). The present results confirm the genotoxic effects of RU on C. villosus lymphocytes in vitro, strongly suggesting that exposure to RU could induce DNA damage in C. villosus wildlife.
相关主题: VARIABILITY, GREAT-LAKES, CAIMAN CAIMAN-LATIROSTRIS, GLYPHOSATE, FORMULATION ROUNDUP, SEDIMENTS, MULTIDISCIPLINARY SCIENCES, HERBICIDES, INDUCTION, ARMADILLOS, ARGENTINA, Glycine - analogs & derivatives, Glycine - adverse effects, Cells, Cultured, DNA Replication, Male, Animals, Glycine - toxicity, Pesticides - toxicity, Lymphocytes - drug effects, Sister Chromatid Exchange, Xenarthra - genetics, Female, Pesticides - adverse effects, DNA Damage, Chromosome Breakage, Genetic toxicology, Research, Lymphocytes, Glyphosate, Cell proliferation, Cell culture, Mitomycin, DNA damage, Genotoxicity, Reptiles & amphibians, Herbicides, Animal reproduction, Wildlife, Cell cycle, Peripheral blood, Aging, Biomarkers, Replication, Mitomycin C, Kinetics, Aberration, Pollutants, In vitro methods and tests, Chromosome aberrations, Deoxyribonucleic acidDNA, Deoxyribonucleic acid, DNA,

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