Combined effects of deltamethrin, temperature and salinity on oxidative stress biomarkers and acetylcholinesterase activity in the black tiger shrimp (Penaeus monodon)

H.T. Tu, F. Silvestre, Bertrand De Meulder, P. Kestemont, N.T. Phuong, J.-P. Thome

Research output: Contribution to journalArticle

Abstract

This study aimed to investigate the interactions of two abiotic factors (temperature and salinity) and deltamethrin (pyrethroid pesticide) exposure on some oxidative stress biomarkers as well as on acetylcholinesterase activity (AChE) in hepatopancreas, gills and muscle of black tiger shrimp (Penaeus monodon). A combination of three temperatures (24, 29 and 34°C), two salinities (15 and 25ppt), and the absence or presence of 0.1μgL deltamethrin was applied on shrimp during 4d under laboratory conditions. Lipid peroxidation level (LPO) and glutathione S-transferase activity (GST) were not affected by combined effect of temperature, salinity and deltamethrin in any of the studied tissues. Deltamethrin impaired other tested oxidative stress biomarkers, i.e. total glutathione (tGSH), catalase (CAT), glutathione peroxidase (GPx). tGSH level significantly increased in hepatopancreas due to deltamethrin exposure mainly at 34°C, while pesticide effects on tGSH and CAT activity in gills were influenced by both temperature and salinity. In addition, GPx activity in hepatopancreas decreased after deltamethrin treatment mainly at 24°C. Finally, AChE in muscle was strongly inhibited by deltamethrin at all tested temperatures and salinities. These novel findings demonstrate that interactions between abiotic factors and a commonly used pesticide exposure should be taken into account when analyzing some widespread biomarkers in black tiger shrimp.
Original languageEnglish
Pages (from-to)83-91
Number of pages9
JournalChemosphere
Volume86
Issue number1
DOIs
Publication statusPublished - 1 Jan 2012

Fingerprint

Penaeidae
Tigers
deltamethrin
Oxidative stress
Salinity
Biomarkers
Acetylcholinesterase
biomarker
Oxidative Stress
salinity
Temperature
Hepatopancreas
Pesticides
temperature
Pesticide effects
Muscle
Glutathione Peroxidase
Catalase
muscle
pesticide

Cite this

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abstract = "This study aimed to investigate the interactions of two abiotic factors (temperature and salinity) and deltamethrin (pyrethroid pesticide) exposure on some oxidative stress biomarkers as well as on acetylcholinesterase activity (AChE) in hepatopancreas, gills and muscle of black tiger shrimp (Penaeus monodon). A combination of three temperatures (24, 29 and 34°C), two salinities (15 and 25ppt), and the absence or presence of 0.1μgL deltamethrin was applied on shrimp during 4d under laboratory conditions. Lipid peroxidation level (LPO) and glutathione S-transferase activity (GST) were not affected by combined effect of temperature, salinity and deltamethrin in any of the studied tissues. Deltamethrin impaired other tested oxidative stress biomarkers, i.e. total glutathione (tGSH), catalase (CAT), glutathione peroxidase (GPx). tGSH level significantly increased in hepatopancreas due to deltamethrin exposure mainly at 34°C, while pesticide effects on tGSH and CAT activity in gills were influenced by both temperature and salinity. In addition, GPx activity in hepatopancreas decreased after deltamethrin treatment mainly at 24°C. Finally, AChE in muscle was strongly inhibited by deltamethrin at all tested temperatures and salinities. These novel findings demonstrate that interactions between abiotic factors and a commonly used pesticide exposure should be taken into account when analyzing some widespread biomarkers in black tiger shrimp.",
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AU - Tu, H.T.

AU - Silvestre, F.

AU - De Meulder, Bertrand

AU - Kestemont, P.

AU - Phuong, N.T.

AU - Thome, J.-P.

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