夜间的人工光会在成年斑马鱼和幼虫斑马鱼中产生相反的神经毒性作用
Yuhan Zhang1, Miao Cao2, Tongyue Wang3
1Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
Aquatic toxicology (Amsterdam, Netherlands)
|January 24, 2026
概括
夜间的人工光 (ALAN) 根据年龄不同影响鱼类. 成人在红色和蓝色光下表现出焦虑,而幼虫表现出减少的焦虑,表明特定阶段的神经毒性风险.
科学领域:
- 环境毒理学环境毒理学
- 神经科学是一个神经科学.
- 水生生态学 水生生态学
背景情况:
- 夜间的人工光 (ALAN) 是一个越来越多的污染物,影响水生生态系统.
- 大多数关于鱼类ALAN效应的研究都集中在成年人身上,忽视了早期发育阶段.
研究的目的:
- 为了研究斑马鱼对不同波长的ALAN的特定阶段的神经行为和分子反应.
- 探索ALAN对成年斑马鱼和幼虫斑马鱼的影响,考虑不同的光色和暴露时间.
主要方法:
- 斑马鱼 (成人和幼虫) 在特定的光子流密度下暴露在红色,绿色和蓝色ALAN中.
- 用行为测试来评估类似焦虑的反应.
- 神经化学测试检查了儿科胺基通路活性.
主要成果:
- 成年斑马鱼在红色和蓝色ALAN下表现出增加的焦虑,并激活了catecholaminergic通路.
- 幼虫斑马鱼在红色和蓝色ALAN下表现出减少焦虑,并抑制了儿科胺基通路.
- 绿色ALAN对成年斑马鱼和幼虫斑马鱼的影响很小.
结论:
- 艾伦对鱼类构成特定阶段的神经毒性风险,通过catecholaminergic失调影响类似焦虑的行为.
- 光谱和生命阶段是了解ALAN对水生生物的生态影响的关键因素.
- 调查结果为生态风险评估和水生照明管理策略提供了信息.
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