Comparative contribution of trophic transfer and biotransformation on arsenobetaine bioaccumulation in two marine fish

CORC > 南海海洋研究所 > 中国科学院南海海洋研究所 > 中科院海洋生物资源可持续利用重点实验室

	Comparative contribution of trophic transfer and biotransformation on arsenobetaine bioaccumulation in two marine fish
	Zhang, Wei; Guo, Zhiqiang; Zhou, Yanyan; Chen, Lizhao; Zhang, Li
刊名	AQUATIC TOXICOLOGY
	2016
卷号	179 页码:65-71
关键词	Arsenic Contribution Trophic transfer Biotransformation Marine fish
通讯作者	Zhang, L (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, Guangzhou 510301, Guangdong, Peoples R China.
英文摘要	Marine fish can accumulate high arsenic (As) concentrations, with arsenobetaine (AsB) as the major species in the body. However, whether the high AsB accumulation in fish occurs mainly through trophic transfer from diet or biotransformation in the fish body remains unclear. This study investigated the trophic transfer and biotransformation of As in two marine fish (seabream Acanthopagrus schlegeli and grunt Terapon jarbua) fed artificial and clam diets for 28 d. The different diets contained different proportions of inorganic [As(III) and As(V)] and organic [methylarsenate (MMA), dimethylarsenate (DMA), and AsB] As compounds. Positive correlations were observed between the accumulated As concentrations and AsB concentrations in both fish, suggesting that AsB contributed to the accumulation of total As in marine fish. Based on the calculated total input of AsB and detected AsB concentrations in the muscle of the seabream and grunt, the ingested amounts of AsB accounted for 0.1-0.3%, 8.1-14.4% of detected AsB concentrations, respectively, in the muscle of seabream and grunt fish species, suggesting that AsB was mainly biotransformed versus trophically transferred in these marine fish. In summary, this study demonstrates that marine fish prefer to biotransform inorganic As forms into AsB, resulting in high bioaccumulation of total As. (C) 2016 Elsevier B.V. All rights reserved.
学科主题	Marine & Freshwater Biology; Toxicology
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/15282]
专题	南海海洋研究所_中科院海洋生物资源可持续利用重点实验室
推荐引用方式 GB/T 7714	Zhang, Wei,Guo, Zhiqiang,Zhou, Yanyan,et al. Comparative contribution of trophic transfer and biotransformation on arsenobetaine bioaccumulation in two marine fish[J]. AQUATIC TOXICOLOGY,2016,179:65-71.
APA	Zhang, Wei,Guo, Zhiqiang,Zhou, Yanyan,Chen, Lizhao,&Zhang, Li.(2016).Comparative contribution of trophic transfer and biotransformation on arsenobetaine bioaccumulation in two marine fish.AQUATIC TOXICOLOGY,179,65-71.
MLA	Zhang, Wei,et al."Comparative contribution of trophic transfer and biotransformation on arsenobetaine bioaccumulation in two marine fish".AQUATIC TOXICOLOGY 179(2016):65-71.