Monitoring toxicity, DNA damage, and somatic mutations in tobacco plants growing in soil heavily polluted with polychlorinated biphenyls
Language English Country Netherlands Media print-electronic
Document type Comparative Study, Journal Article, Research Support, Non-U.S. Gov't
PubMed
17317273
DOI
10.1016/j.mrgentox.2006.11.013
PII: S1383-5718(07)00028-9
Knihovny.cz E-resources
- MeSH
- Chromatography, Gas MeSH
- DNA, Plant drug effects genetics isolation & purification MeSH
- Comet Assay MeSH
- Plant Roots metabolism MeSH
- Soil Pollutants analysis metabolism toxicity MeSH
- Plant Leaves metabolism MeSH
- Environmental Monitoring MeSH
- Mutation * MeSH
- Polychlorinated Biphenyls analysis MeSH
- DNA Damage * MeSH
- Nicotiana drug effects genetics growth & development MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Comparative Study MeSH
- Names of Substances
- DNA, Plant MeSH
- Soil Pollutants MeSH
- Polychlorinated Biphenyls MeSH
Heterozygous tobacco (Nicotiana tabacum var. xanthi) plants were cultivated in soil from a dump site highly polluted with polychlorinated biphenyls (PCBs) at Lhenice in South Bohemia, Czech Republic. The total amount of PCBs in the polluted soil, measured by gas chromatography varied from 165 to 265mgkg(-1) of soil. In tobacco plants cultivated for 8 weeks in the polluted soil the amount of PCB in the leaves varied from 11 to 28 and in the roots from 104 to 308mgkg(-1) dry mass. The average leaf area of tobacco plants growing in the PCB-polluted soil was significantly reduced and the DNA damage in leaf nuclei, measured by the comet assay, was slightly but significantly increased compared with controls. The tobacco plants with increased DNA damage showed reduced growth and had distorted leaves. No increase in the frequency of somatic mutations was detected in tobacco plants growing in the PCB-polluted soil.
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