期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 715, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.136840
关键词
17 alpha-ethynyl estradiol; Progesterone; Spermatogenesis; Male pregnancy; Seahorse
资金
- Key Research Program of Frontier Sciences of CAS [ZDBS-LY-DQC004]
- National Natural Science Foundation of China [41825013, 41890853, 41706178]
- National Key Research and Development Program [2016YFC1403003]
- Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) [GML2019ZD0407]
Exposure to environmental estrogens and progestins has contributed to adverse effects on the reproduction of many aquatic wildlife species. However, few reports have paid attention to fish species with specialized reproductive strategies, such as male-pregnancy seahorses. In this study, the potential effects on the behavior, gonad and brood pouch development, and transcriptomic profiles of lined seahorse I lippocarnpus erectus exposed to environmentally relevant concentrations of 17 alpha-ethynyl estradiol (EE2, 5 ng/L, 50 ng/L. 10 ng/L, 100 ng/L) or progesterone (P4) for 60 days were examined. Both EE2 and P4 significantly inhibited male brood pouch development by disrupting the extracellular matrix and basement membrane pathways. In addition, both EE2 and P4 impaired the expression of genes associated with spermatogenesis in the testis, and even caused male feminization. We suggest that seahorses be regarded as a sensitive indicator for evaluating the potential effects of endocrine disrupting chemical (EDC) pollution on aquatic biotic communities. (C) 2020 Elsevier B.V. All rights reserved.
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