NickelMaghrebV1, Main, Exploration, bibRecord, 000073

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam).

Identifieur interne : 000073 ( Main/Exploration ); précédent : 000072; suivant : 000074

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam).

Auteurs : Hajer Attig [Tunisie] ; Naouel Kamel [Tunisie] ; Susanna Sforzini [Italie] ; Alessandro Dagnino [Italie] ; Jebali Jamel [Tunisie] ; Hamadi Boussetta [Tunisie] ; Aldo Viarengo [Italie] ; Mohamed Banni [Italie]

Source :

Marine environmental research [ 1879-0291 ] ; 2014.

RBID : pubmed:24424117

English descriptors

KwdEn :
- Animals, Biomarkers (analysis), Enzyme Activation (drug effects), Hot Temperature, Mytilus (drug effects), Mytilus (enzymology), Mytilus (physiology), Nickel (toxicity), Stress, Physiological, Water Pollutants, Chemical (toxicity).
MESH :
- chemical , analysis : Biomarkers.
- drug effects : Enzyme Activation, Mytilus.
- enzymology : Mytilus.
- physiology : Mytilus.
- chemical , toxicity : Nickel, Water Pollutants, Chemical.
- Animals, Hot Temperature, Stress, Physiological.

Abstract

The present work aimed to assess the Mytilus galloprovincialis digestive gland biomarkers responses to nickel (Ni) exposure along with a heat stress gradient. Mussels were exposed to a sublethal dose of nickel (13 μM) along with a temperature gradient (18 °C, 20 °C, 22 °C, 24 °C and 26 °C) for 4 days. Metallothionein (MTs) content was assessed as specific response to metals. Catalase (CAT), glutathione S-transferase (GST) activities and malondialdehyde (MDA) were measured as biomarkers of oxidative stress and lipid peroxidation. The cholinergic system was monitored using the acetylcholinesterase activity (AChE). Moreover, Ni uptakes along with the exposure temperatures were assessed. A correlation matrix (CM) between the investigated biomarkers and the exposure temperatures and a Principal Component Analysis (PCA) were achieved. Our data showed a negative effect of temperature increase on mussel's antioxidant and detoxification response to Ni exposure being more pronounced in animals exposed to the 24 °C and 26 °C.

DOI: 10.1016/j.marenvres.2013.12.006
PubMed: 24424117

Affiliations:

Italie, Tunisie

Le document en format XML

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<term>Mytilus (enzymology)</term>
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<front><div type="abstract" xml:lang="en">The present work aimed to assess the Mytilus galloprovincialis digestive gland biomarkers responses to nickel (Ni) exposure along with a heat stress gradient. Mussels were exposed to a sublethal dose of nickel (13 μM) along with a temperature gradient (18 °C, 20 °C, 22 °C, 24 °C and 26 °C) for 4 days. Metallothionein (MTs) content was assessed as specific response to metals. Catalase (CAT), glutathione S-transferase (GST) activities and malondialdehyde (MDA) were measured as biomarkers of oxidative stress and lipid peroxidation. The cholinergic system was monitored using the acetylcholinesterase activity (AChE). Moreover, Ni uptakes along with the exposure temperatures were assessed. A correlation matrix (CM) between the investigated biomarkers and the exposure temperatures and a Principal Component Analysis (PCA) were achieved. Our data showed a negative effect of temperature increase on mussel's antioxidant and detoxification response to Ni exposure being more pronounced in animals exposed to the 24 °C and 26 °C.</div>
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Serveur d'exploration sur le nickel au Maghreb

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam).

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam).

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration sur le nickel au Maghreb
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