长期暴露后在Moina macrocopa中胺-T的慢性和代际毒性
Xue Lei Hu1, Sui Jun Cai1, Ming Chen1
1School of Biology and Food Engineering, Guangdong University of Education, Guangzhou, 510303, People's Republic of China.
Bulletin of environmental contamination and toxicology
|June 19, 2025
概括
作为消毒剂的胺-T对水生生物有慢性毒性. 虽然父母的几代人受到伤害,但后代表现出恢复,尽管某些影响在几代人中持续存在.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 水生毒理学 水生毒理学
背景情况:
- 药品和个人护理产品 (PPCP) 构成生态风险.
- 关于胺-T在水生生态系统中的慢性毒性的数据有限.
研究的目的:
- 调查胺-T暴露的慢性毒性和代际影响.
- 评估对Moina macrocopa的生存,发育和繁殖的影响.
主要方法:
- 在多个世代 (F0,F1,F2) 间,莫伊纳 (Moina macrocopa) 暴露于不同度的胺-T.
- 监测生存,发育和生殖参数.
- 对急性毒性进行48小时EC50的计算.
主要成果:
- 胺-T的48小时EC50被确定为4.58 mg/L.
- 父母世代 (F0) 在生存,发育和繁殖方面表现出显著的损害.
- 随后的几代 (F1,F2) 显示恢复,F1从高度和F2从所有度完全恢复.
结论:
- 胺-T在水生生物中表现出慢性和代际毒性.
- 莫伊纳麦克罗科巴 (Moina macrocopa) 显示出一代一代的恢复能力,尽管度依赖的效应仍然存在.
- 这些发现强调了消毒剂对生态的影响,以及对PPCP的进一步研究的必要性.
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