Commercial formulation containing quinclorac and metsulfuron-methyl herbicides inhibit acetylcholinesterase and induce biochemical alterations in tissues of Leporinus obtusidens

被引：44

作者：

Pretto, Alexandra ^{[1
,2
]}

Loro, Vania Lucia ^{[1
,2
]}

Menezes, Charlene ^{[1
,2
]}

Moraes, Bibiana Silveira ^{[1
,2
]}

Reimche, Geovane Boschmann ^{[3
]}

Zanella, Renato ^{[1
,2
]}

de Avila, Luis Antonio ^{[3
]}

机构：

[1] Univ Fed Santa Maria, Dept Quim, LARP, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Fed Santa Maria, Dept Quim, Lab Bioquim Adaptat, BR-97105900 Santa Maria, RS, Brazil

[3] Univ Fed Santa Maria, Dept Fitotecnia, BR-97105900 Santa Maria, RS, Brazil

来源：

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY | 2011年 / 74卷 / 03期

关键词：

Herbicides; Lipid peroxidation; Leporinus obtusidens; Rice fields; CATFISH RHAMDIA-QUELEN; FRESH-WATER FISH; OXIDATIVE STRESS BIOMARKERS; CHANNA-PUNCTATUS BLOCH; ANGUILLA-ANGUILLA; CYPRINUS-CARPIO; ORGANOPHOSPHORUS INSECTICIDE; SUBLETHAL CONCENTRATIONS; OREOCHROMIS-NILOTICUS; CLOMAZONE HERBICIDE;

D O I：

10.1016/j.ecoenv.2010.10.003

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effects of commercial formulation containing quinclorac and metsulfuron-methyl herbicides on acetylcholinesterase (AChE), antioxidant profile and metabolic parameters in teleost fish (Leporinus obtusidens) were studied. The fish were exposed during 90 days to commercial formulation containing quinclorac (204 mu g L-1) and metsulfuron-methyl (5.8 mu g L-1) herbicides in rice field irrigated condition. AChE activity in the brain and muscle decreased after exposure to both commercial formulations. The same response was observed for the TBARS levels in brain, liver and muscle. Liver catalase activity reduced after exposure to commercial formulation containing quinclorac and metsulfuron-methyl herbicides. Metabolic parameters in the liver and white muscle (glycogen, lactate, protein and glucose) were determined. These parameters showed different changes after exposure to both commercial formulations. This study pointed out long-term effects of exposure to commercial formulations containing herbicides used in rice on metabolic and enzymatic parameters in tissues of L. obtusidens. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：336 / 341

页数：6

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