Suppr超能文献

加拿大北极地区海鸟体内的微量元素和金属硫蛋白浓度

Trace element and metallothionein concentrations in seabirds from the Canadian Arctic.

作者信息

Braune Birgit M, Scheuhammer Anton M

机构信息

Environment Canada, National Wildlife Research Centre, Carleton University, Ottawa, Ontario, Canada.

出版信息

Environ Toxicol Chem. 2008 Mar;27(3):645-51. doi: 10.1897/07-269.1.

Abstract

Livers and kidneys were collected for five seabird species from the Canadian Arctic during the 1983 and 1991 to 1993 breeding seasons. Livers were analyzed for Cd, Hg, Pb, and Se, and kidneys were analyzed for Cd, Cu, Zn, and metallothionein (MT). Concentrations of the essential elements, Cu and Zn, were in agreement with those previously published in the literature. Thick-billed murres (Uria lomvia) from Ivujivik on the Hudson Strait/Hudson Bay coast in northwestern Quebec (Canada) had the highest mean renal concentrations of Cu, Zn, and Cd. Among the four species collected from Prince Leopold Island, northern fulmars (Fulmarus glacialis) had the highest hepatic concentrations of both Cd and Hg. The highest Se concentrations were found in northern fulmars and black-legged kittiwakes (Rissa tridactyla) from Prince Leopold Island. Hepatic Pb concentrations were low (<0.3 microg/g dry wt) in all species at all locations. Metallothionein concentrations were positively correlated with Cd and Zn for all species combined but were not correlated with Cu in any species. No significant relationships were found between MT and Cu or Zn in black guillemots (Cepphus grylle) or glaucous gulls (Larus hyperboreus). To our knowledge, this is the first report of MT concentrations and their relationships with trace metals in Arctic seabirds.

摘要

在1983年以及1991年至1993年繁殖季节期间,从加拿大北极地区采集了5种海鸟的肝脏和肾脏。对肝脏进行了镉、汞、铅和硒的分析,对肾脏进行了镉、铜、锌和金属硫蛋白(MT)的分析。必需元素铜和锌的浓度与先前文献中发表的一致。来自加拿大魁北克省西北部哈德逊海峡/哈德逊湾海岸伊维朱维克的厚嘴海鸦(乌里亚·隆维亚)肾脏中铜、锌和镉的平均浓度最高。在从利奥波德王子岛采集的4个物种中,北极 fulmars(Fulmarus glacialis)肝脏中镉和汞的浓度最高。在利奥波德王子岛的北极 fulmars 和黑脚三趾鸥(Rissa tridactyla)中发现了最高的硒浓度。所有地点所有物种的肝脏铅浓度都很低(<0.3微克/克干重)。所有物种的金属硫蛋白浓度与镉和锌呈正相关,但与任何物种的铜均无相关性。在黑海雀(Cepphus grylle)或白鸥(Larus hyperboreus)中,未发现金属硫蛋白与铜或锌之间存在显著关系。据我们所知,这是关于北极海鸟金属硫蛋白浓度及其与痕量金属关系的首次报告。

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验