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Title: Joint Toxicity of Arsenic, Copper and Glyphosate on Behavior, Reproduction and Heat Shock Protein Response in Caenorhabditis elegans
Author: Y. B. Wang, A. N. Ezemaduka, Z. H. Li, Z. Y. Chen and C. T. Song
Corresponding Author: 王云彪 Song, Chuantao
Source: Bulletin of Environmental Contamination and Toxicology
Issued Date: 2017
DOI: 10.1007/s00128-017-2042-5
Volume: 98, Issue:4, Pages:465-471
Abstract: The soil nematode Caenorhabditis elegans was used in 24-h acute exposures to arsenic (As), copper (Cu) and glyphosate (GPS) and to mixtures of As/Cu and As/GPS to investigate the effects of mixture exposures in the worms. A synergistic type of interaction was observed for acute toxicity with the As/Cu and As/GPS mixtures. Sublethal 24-h exposures of 1/1000, 1/100 and 1/10 of the LC50 concentrations for As, Cu and GPS individually and for As/Cu and As/GPS mixtures were conducted to observe responses in locomotory behavior (head thrashing), reproduction, and heat shock protein expression. Head thrash frequency and reproduction exhibited concentration dependent decreases in both individual and combined exposures to the tested chemical stressors, and showed synergistic interactions even at micromolar concentrations. Furthermore, the HSP70 protein level was significantly increased following exposure to individual and combined chemical stressors in wild-type C. elegans. Our findings establish for the first time the effects of exposure to As/GPS and As/Cu mixtures in C. elegans.
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Content Type: 期刊论文
URI: http://ir.iga.ac.cn/handle/131322/7633
Appears in Collections:湿地与全球变化学科组_期刊论文

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