Effects of Cadmium Exposure on Metal Accumulation and Energy Metabolism of Silver Carp (Hypophthalmichthys molitrix)

Effects of Cadmium Exposure on Metal Accumulation and Energy Metabolism of Silver Carp (Hypophthalmichthys molitrix)
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镉暴露对鲢鱼金属积累和能量代谢的影响

DOI:
10.1007/s00128-017-2180-9
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发表时间:
2017-09
影响因子:
2.7
通讯作者:
Zhang Ting
Zhang Ting
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
Li Deliang;Pi Jie;Wang Jianping;Zhu Pengfei;Liu Deming;Zhang Ting

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研究了为期14 d的镉暴露对银鲤(Hypophthalmichthys molitrix)体内金属积累和能量代谢的影响。结果表明,Cd在银鲤各组织中的累积量随时间和Cd浓度的增加而显著增加,其顺序为:肝脏>肾脏>鳃>肌肉。肌糖原、甘油三酯和血浆甘油三酯水平显著降低(p0.05)。结果表明,水体镉污染改变了组织中镉的浓度和能量代谢,银鲤通过动员肌肉能量储备来科普水体镉污染引起的解毒和修复机制的能量需求增加。
Effects of cadmium (Cd) exposure on metal accumulation and energy metabolism of silver carp (Hypophthalmichthys molitrix) were studied during 14 days. The results showed that Cd accumulated in tissues of silver carp significantly with time and Cd concentration, as the order: liver > kidney > gill > muscle. The levels of muscle glycogen, triglyceride, and plasma triglyceride decreased significantly (p 0.05). The results indicate that the tissues' Cd concentrations and energy metabolism were altered by the presence of waterborne Cd, and silver carp mobilizes the muscle energy stores to cope with the increased energy demands for detoxication and repair mechanism induced by the exposure to waterborne Cd.
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