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题名: The identification of metallothionein in rare minnow (Gobiocypris rarus) and its expression following heavy metal exposure
作者: Wang, Chunling1, 2, 3; Zhang, Futie1, 2, 3; Cao, Wenxuan1, 2, 3; Wang, Jianwei1, 2, 3
关键词: Heavy metals ; Rare minnow ; Metallothionein ; Gene expression
刊名: ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
发表日期: 2014-05-01
DOI: 10.1016/j.etap.2014.04.021
卷: 37, 期:3, 页:1283-1291
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences ; Pharmacology & Pharmacy ; Toxicology
研究领域[WOS]: Environmental Sciences & Ecology ; Pharmacology & Pharmacy ; Toxicology
英文摘要: Heavy metal, such as cadmium (Cd), lead (Pb) and copper (Cu) poses serious toxin to aquatic organisms. These exogenous materials affect biological processes including physiology, biochemistry and development. Metallothionein (MT), one of the metal-regulated genes, participates in regulating essential and detoxifying non-essential metals in living animals. In this study, MT EST in rare minnow (Gobiocypris rarus) (GrMT) was obtained from the cDNA subtraction library and the GrMT cDNA was firstly cloned by RACE with a sequence of 379 bp, which can code 60 amino acids. After Cd exposure, the GrMT expression levels dramatically changed in liver, spleen, gill, kidney, intestine, but moderately in muscle. Significantly positive relationships were found between Cd dosages and MT expression levels in liver. And there distinction existed at the GrMT transcript level in fish gender and developmental stages during Cd exposure. While Pb exposure, the expression alteration happened in spleen, gill, intestine, muscle, and moderately in liver. In the Cu treatment test, there were slight changes in intestine and kidney, but more significant changes occurred in spleen, gill, muscle, and liver. This study had investigated the effects of diverse heavy metals on GrMT expression patterns. The results suggest that GrMT would be a potential biomarker to metal contamination monitoring in aquatic environments and rare minnow could be one of the perfect experimental fishes for surveying the freshwater pollution in China. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: GENE-EXPRESSION ; MESSENGER-RNA ; TRACE-METALS ; CADMIUM ; PROTEIN ; STRESS ; COPPER ; BIOMARKERS ; ZEBRAFISH ; KIDNEY
语种: 英语
WOS记录号: WOS:000338598200044
ISSN号: 1382-6689
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20289
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Wang, Chunling; Zhang, Futie; Cao, Wenxuan; Wang, Jianwei.The identification of metallothionein in rare minnow (Gobiocypris rarus) and its expression following heavy metal exposure,ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY,2014,():
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