Toxicity, metal uptake, and accumulation of phytochelatins in Silene vulgaris exposed to mixtures of cadmium and arsenate
The mixture effects of arsenate and cadmium were studied in Silene vulgaris (Moench) Garcke. The results show that the toxicity of the mixtures, measured as inhibition of root elongation, increased with increasing concentrations, ranging from nonadditive or slightly additive to synergistic. The elem...
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Published in | Environmental toxicology and chemistry Vol. 19; no. 12; pp. 2982 - 2986 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Hoboken
Wiley Periodicals, Inc
01.12.2000
SETAC |
Subjects | |
Online Access | Get full text |
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Summary: | The mixture effects of arsenate and cadmium were studied in Silene vulgaris (Moench) Garcke. The results show that the toxicity of the mixtures, measured as inhibition of root elongation, increased with increasing concentrations, ranging from nonadditive or slightly additive to synergistic. The elements did not influence each other's uptake. This was as expected, considering the differences in uptake mechanisms between both elements. Concentrations of detoxifying phytochelatins (PCs) were additive, with respect to both external and root‐internal metal concentrations. However, at high exposure concentrations, the plants metabolism collapsed, resulting in very low PC concentrations. |
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Bibliography: | ark:/67375/WNG-1N0Z1CSV-J ArticleID:ETC5620191219 istex:5B536F6E40F2C696A5D26C73018E3C9BC19F1449 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0730-7268 1552-8618 |
DOI: | 10.1002/etc.5620191219 |