期刊
AQUATIC TOXICOLOGY
卷 158, 期 -, 页码 165-170出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aquatox.2014.11.003
关键词
Serotonin; Citalopram; Three-spine stickleback; SSRI; Feeding; Antidepressant
Selective Serotonin Re-uptake Inhibitors (SSRI) are mood-altering, psychotropic drugs commonly used in the treatment of depression and other psychological illnesses. Many of them are poorly degraded in sewage treatment plants and enter the environment unaltered. In laboratory studies, they have been demonstrated to affect a wide range of behaviours in aquatic organisms. In this study we investigated the effect of a three-week exposure to 0.15 and 1.5 mu g/l of the SSRI citalopram dissolved in the ambient water on the feeding behaviour in three-spine stickleback (Gasterosteus aculeatus). Feeding, measured as the number of attacks performed on a piece of frozen bloodworms during a 10-min period, was reduced by 30-40% in fish exposed to both 0.15 and 1.5 mu g/l citalopram. The effects of the environmentally relevant concentration 0.15 mu g/l on feeding, an important fitness characteristic, suggests that the ecological significance of environmental SSRI exposure may be pronounced. (C) 2014 Elsevier B.V. All rights reserved.
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