Transgenerational combined toxicity effects of neonicotinoids and triazole pesticides at environmentally relevant concentrations on D. magna: From individual to population level
文献类型： 外文期刊
作者： Wu, Chi 1 ; He, Kai 2 ; Li, Huizhen 4 ; Zhang, Lan 1 ; Mao, Liangang 1 ; Zhu, Lizhen 1 ; Jiang, Jinhua 6 ; Liu, Xingang 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
2.China Agr Univ, Natl Key Lab Vet Publ Hlth Secur, Beijing 100193, Peoples R China
3.China Agr Univ, Sch Vet Med, Beijing 100193, Peoples R China
4.Jinan Univ, Sch Environm, Guangzhou 510632, Peoples R China
5.Jinan Univ, Guangdong Key Lab Environm Pollut & Hlth, Guangzhou 510632, Peoples R China
6.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Zhejiang, Peoples R China
关键词： Pesticides; Environmental concentration; Combined toxicity; Transgenerational effects; Population dynamics
期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：11.3； 五年影响因子：12.4 ）
ISSN： 0304-3894
年卷期： 2025 年 486 卷
页码：
收录情况： SCI
摘要： The transgenerational impacts of pesticide mixture on Daphnia magna (D. magna) following long-term exposure, particularly regarding transcriptomic effects, remain poorly understood. We analyzed 470 irrigation water samples from various Chinese provinces. Imidacloprid (IMI, 71.1 %), clothianidin (CLO, 60.43 %), and tebuconazole (TEB, 64.68 %) were the most frequently detected pesticides, with nearly 50 % of samples showing mixtures of TEB with IMI or CLO. D. magna were exposed to environmentally relevant concentrations (0.89-1.62 mu g/L) over 12 generations. Key effects included reduced fecundity, delayed development, and smaller body size, with these impacts exacerbating across generations. A Leslie matrix model revealed declines in population size, intrinsic rates of increase, and age structure. Notably, mixed pesticide exposures induced specific pathways related to oocyte meiosis, resulting in greater toxicity than single exposures. Additionally, disrupted lipid metabolism and feeding behaviors were linked to insufficient energy for growth and reproduction, affecting ovarian development. These findings highlight the ecological risks of long-term pesticide exposure and offer insights for mitigation strategies in aquatic ecosystems.
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