Enrichment and toxic effects of triclosan on aquatic macrophytes Eichhornia crassipes and Hydrilla verticillata exposed to triclosan in sediments

作     者：Xiuxiu Yan Fangyu Hu Jing An Yongchao Yin Lingyan Zhang Shuhe Wei Xiuxiu Yan;Fangyu Hu;Jing An;Yongchao Yin;Lingyan Zhang;Shuhe Wei

作者机构：Key Laboratory of Pollution Ecology and Environmental EngineeringInstitute of Applied EcologyChinese Academy of SciencesShenyang 110016China University of Chinese Academy of SciencesBeijing 100049China Department of BiologyNortheastern UniversityBostonMA 02115USA 

出 版 物：《Ecological Processes》 (生态过程（英文）)

年 卷 期：2023年第12卷第1期

页      面：860-871页

核心收录：

学科分类：082803[工学-农业生物环境与能源工程] 07[理学] 08[工学] 0828[工学-农业工程] 09[农学] 0903[农学-农业资源与环境] 0713[理学-生态学] 

基　　金：supported by the National Natural Science Foundation of China(31971515) the Fund for National Key Research and Development Plan of China(2019YFC1804100) the Fund for Strategic Priority Research Program of the Chinese Academy of Sciences(XDA28010503) the Major Project of Shenyang Institute of Applied Ecology,Chinese Academy of Sciences(IAEMP202201) 

主　　题：Triclosan Aquatic macrophyte Enrichment Antioxidant defense system Ecotoxicological effect 

摘      要：Background Clarifying the enrichment and response processes of triclosan(TCS)in hydrophytes is crucial for assessing the ecological risk of TCS in aquatic *** study delves into the chronic toxic effects of TCS in floating plant Eichhornia crassipes(Mart.)Solms and submerged plant Hydrilla verticillata(L.f.)Royle exposed to TCS sediments through hydroponic *** The absorption abilities of hydrophytes to TCS were *** concentration of TCS in the roots of *** was significantly higher than that in its leaves,while the absorption capacities of the leaves of *** to TCS were stronger than that in its ***,the physiological indexes,including chlorophyll concentration,soluble protein concentration,and antioxidant enzyme activities,showed a significant decrease with the exposure concentration and time of *** the chlorophyll and soluble protein concentrations and the antioxidant enzyme activities in the leaves were initially increased at a low concentration of TCS(at 7 days of exposure),they decreased significantly over *** to the leaves,the physiological indexes of the roots were more sensitive to the ecotoxicological effects of *** inhibition effects of TCS on *** were signifi-cantly higher than those on ***,which may be associated with the absorbing abilities of TCS and the growth characteristics of the ***’s correlation analysis found a significant negative correlation between the TCS concentrations and the antioxidant enzyme activities in the *** This study highlighted the differences in the uptake and enrichment process and toxic effects of TCS by different aquatic *** with ***,*** is more sensitive to TCS toxicity.