Bioaccumulation and toxicity of terbuthylazine in earthworms (Eisenia fetida)

被引：7
|
作者：
Li, Shun [1 ,2 ]
Yuan, Ye [1 ,2 ]
Wang, Xing [1 ]
Cai, Leiming [1 ,2 ]
Wang, Jiao [1 ]
Zhao, Yuanji [1 ]
Jiang, Lei [1 ,2 ]
Yang, Xu [1 ,2 ]
机构：
[1] Shenyang SYR Test Co Ltd, Safety Evaluat Ctr, Shenyang 110027, Peoples R China
[2] Shenyang Res Inst Chem Ind, Shenyang 110021, Peoples R China
来源：
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY | 2023年 / 97卷
关键词：
Terbuthylazine; Earthworm; Bioaccumulation; Toxicity; Integrated biological response index version 2; INTEGRATED BIOMARKER RESPONSE; OXIDATIVE STRESS; LIPID-PEROXIDATION; DNA-DAMAGE; EXPOSURE; RISK; CARCINOGENESIS;
D O I：
10.1016/j.etap.2022.104016
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Terbuthylazine is an effective and widely used s-triazine herbicide. However, limited data exists on its toxicity and bioaccumulation in earthworms (Eisenia fetida). In this study, we investigated the bioaccumulation, anti-oxidant enzyme activity, detoxification enzyme activity, and DNA damage in earthworms when exposed to terbuthylazine. The results indicated that terbuthylazine in soil had low bioaccumulation in earthworms and the biota-soil accumulation factors of terbuthylazine declined with an increasing soil terbuthylazine concentration. In the enzyme activity assays, the superoxide dismutase (SOD), catalase (CAT), and glutathione-S-transferase (GST) activities showed upward trends when compared with the control. The carboxylesterase (CarE) activity increased on day 21. The 8-hydroxy-2-deoxyguanosine (8-OHdG) content, a DNA damage bioindicator, was higher than that of the control on day 21. Combined with the integrated biological response index version 2 analysis, these results can provide a comprehensive evaluation of the toxicological effects that terbuthylazine has on earthworms and soil ecosystems.
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页数：8
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