ORIGINAL RESEARCH article
Front. Mar. Sci.
Sec. Marine Conservation and Sustainability
Volume 12 - 2025 | doi: 10.3389/fmars.2025.1635128
This article is part of the Research TopicBlue Economy: Opportunities and Challenges in South East AsiaView all 4 articles
Enrichment characteristics and biological effects of 133 CsCl in black porgy Acanthopagrus schlegelii
Provisionally accepted
Caoqun Zheng1
Gongye Liu2Liang Shao2
Rabia Zeb1Lei Wang3Hongmai Zhang1Ronghui Zheng1
Chao Fang1Youyou Huang4*
Tao Yu5*
Jun Bo1- 1Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China, Xiamen, China
- 2Radiation Environmental Monitoring Station of Zhejiang Province, Hangzhou, China, Hangzhou, China
- 3College of Environment and Public Health, Xiamen Huaxia University, Xiamen, China, Xiamen, China
- 4Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), China West Normal University, Nanchong, China, Nanchong, China
- 5Key Laboratory of Global Change and Marine-Atmospheric Chemistry, Third Institute of Oceanography, State Oceanic Administration, Xiamen, China
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The release of caesium (Cs) isotopes from treated nuclear-contaminated water at Japan’s Fukushima Daiichi Nuclear Power Plant (FDNPP) has raised global concern due to their potential long-term environmental impacts. Some of these isotopes have a physical half-life of 30.17 years, posing a potential threat to marine environments and marine life. This study used the stable isotope 133Cs to simulate exposure and assess the ecological risks associated with Cs isotopes in marine environments. The black porgy (Acanthopagrus schlegelii) was selected as the model organism and was exposed to various concentrations of 133Cs (0.02, 0.2, 2, and 20 mg/L). Although 133Cs exhibited low bioaccumulation in black porgy, it still showed potential for biomagnification. The fish demonstrated a strong stress response and some antioxidant adaptation at 3 days, but significant cellular and tissue damage occurred after 14 days of exposure. Analysis of the Integrated Biomarker Response version 2 (IBRv2) further revealed that the black porgy was more sensitive to Cs at 3 days, with toxic effects intensifying over time. This study provides a scientific basis and experimental reference for assessing the ecological risks of Cs isotopes in marine ecosystems.
Keywords: bioaccumulation, Gene Expression, antioxidant response, Malondialdehyde level, Integrated biological effects
Received: 26 May 2025; Accepted: 16 Jun 2025.
Copyright: © 2025 Zheng, Liu, Shao, Zeb, Wang, Zhang, Zheng, Fang, Huang, Yu and Bo. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Youyou Huang, Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), China West Normal University, Nanchong, China, Nanchong, China
Tao Yu, Key Laboratory of Global Change and Marine-Atmospheric Chemistry, Third Institute of Oceanography, State Oceanic Administration, Xiamen, China
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