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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-019-02138-7
|2 doi
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|a pubmed24n1012.xml
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|a DE-627
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|a eng
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|a Chen, Lang
|e verfasserin
|4 aut
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|a Genotoxicity response of Vicia faba seedlings to cadmium in soils as characterized by direct soil exposure and micronucleus test
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 16.03.2020
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a To overcome the drawbacks of the Vicia faba root tip micronucleus test in soil using the solution extract method, we conducted a potting experiment by direct soil exposure. Cadmium was spiked into 3 typical soils (brown soil, red soil, and black soil) to simulate environmental concentrations (0.625, 1.25, 2.5, 5, and 10 mg kg-1). Multiple Vicia faba tissues (primary root tips, secondary root tips, and leaf tips) were sampled, and mitotic index (MI), chromosome aberration frequency (CA), and micronucleus frequency (MN) were used as endpoints after a seedling period of 5 days. The results showed a response between Cd concentrations and multiple sampling tissues of Vicia faba, and the secondary root tips responded to Cd stress the most, followed by primary root tips and leaf tips. Soil physicochemical properties (e.g., pH, total phosphorus, total organic carbon, etc.) influenced the genotoxicity of Cd, and pH was the dominant factor, which resulted in the genetic toxicity response of Cd in soils in the order: red soil > brown soil > black soil. The lowest observable effect concentration (LOEC) of Cd was 1.25 mg kg-1 for both brown soil and red soil and 2.5 mg kg-1 for black soil. In view of this, we suggested that soil properties should be considered in evaluating genotoxicity risk of Cd in soil, especially with soil pH range, and the secondary root tips should be taken as suitable test tissues in the MN test due to its more sensible response feature to Cd stress in soil
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|a Journal Article
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|a Cadmium
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|a Direct soil exposure
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|a Genotoxicity
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|a Micronucleus test
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|a Secondary root tip
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|a Vicia faba
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|a Soil Pollutants
|2 NLM
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|a Cadmium
|2 NLM
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| 650 |
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|a 00BH33GNGH
|2 NLM
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| 700 |
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|a Yuan, Shankui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xingang
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Xinxin
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Yanming
|e verfasserin
|4 aut
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| 700 |
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|a Song, Yufang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 29(2020), 1 vom: 30. Jan., Seite 65-74
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|x 1573-3017
|7 nnns
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|g volume:29
|g year:2020
|g number:1
|g day:30
|g month:01
|g pages:65-74
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|u http://dx.doi.org/10.1007/s10646-019-02138-7
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