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Mercury and methylmercury bioaccumulation in a contaminated bay
Zhizhen Xu; Wenhong Fan; Zhiwei Shi; Cheng Tan; Minming Cui; Shichuan Tang; Guangle Qiu; Xinbin Feng
2019
发表期刊Marine Pollution Bulletin
卷号143页码:134-139
摘要

The bioaccumulation and the main source of total Hg (THg) and methylmercury(MMHg) in the deposit-feeding polychaete Neanthes japonica collected in Jinzhou Bay, China, were investigated. Compared with the historical data, THg bioaccumulation in polychaetes collected in sediment of Jinzhou Bay was distinctly higher due to higher sediment THg concentration, but MMHg bioaccumulation was significantly lower. THg accumulation in polychaetes mainly derived from its accumulation in sediment. However, MMHg bioaccumulation in polychaetes did not correlate with Hg concentration in sediment. Besides sediment ingestion, MMHg accumulation in polychaetes may partially source from the process of in vivo transformation. The in vivo Hg methylation may take place in polychaetes, according to the excellent correlation between MMHg concentration and THg and inorganic Hg concentration in polychaetes. The biochemical characters in polychaete body, the oxidation-reduction environment and the microbial activity in polychaete gut may be beneficial to in vivo Hg methylation.

关键词Mercury methylmercury bioaccumulation methylation in Vivo
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10201
专题环境地球化学国家重点实验室
作者单位1.Key Laboratory of Occupational Safety and Health, Beijing Municipal Institute of Labor Protection, Beijing 100054, PR China
2.School of Space and Environment, Beihang University, Beijing 100191, PR China
3.Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100191, PR China
4.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, PR China
推荐引用方式
GB/T 7714
Zhizhen Xu,Wenhong Fan,Zhiwei Shi,et al. Mercury and methylmercury bioaccumulation in a contaminated bay[J]. Marine Pollution Bulletin,2019,143:134-139.
APA Zhizhen Xu.,Wenhong Fan.,Zhiwei Shi.,Cheng Tan.,Minming Cui.,...&Xinbin Feng.(2019).Mercury and methylmercury bioaccumulation in a contaminated bay.Marine Pollution Bulletin,143,134-139.
MLA Zhizhen Xu,et al."Mercury and methylmercury bioaccumulation in a contaminated bay".Marine Pollution Bulletin 143(2019):134-139.
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